Actor(s): APT 30
FireEye details ORANGEADE as a dropper for the CREAMSICLE malware.
rule win_orangeade_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-07-11" version = "1" description = "Detects win.orangeade." info = "autogenerated rule brought to you by yara-signator" tool = "yara-signator v0.6.0" signator_config = "callsandjumps;datarefs;binvalue" malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.orangeade" malpedia_rule_date = "20230705" malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41" malpedia_version = "20230715" malpedia_license = "CC BY-SA 4.0" malpedia_sharing = "TLP:WHITE" /* DISCLAIMER * The strings used in this rule have been automatically selected from the * disassembly of memory dumps and unpacked files, using YARA-Signator. * The code and documentation is published here: * https://github.com/fxb-cocacoding/yara-signator * As Malpedia is used as data source, please note that for a given * number of families, only single samples are documented. * This likely impacts the degree of generalization these rules will offer. * Take the described generation method also into consideration when you * apply the rules in your use cases and assign them confidence levels. */ strings: $sequence_0 = { 6800010000 8d4c2414 899c2488000000 e8???????? 50 53 } // n = 6, score = 100 // 6800010000 | push 0x100 // 8d4c2414 | lea ecx, [esp + 0x14] // 899c2488000000 | mov dword ptr [esp + 0x88], ebx // e8???????? | // 50 | push eax // 53 | push ebx $sequence_1 = { 0f84c8000000 56 ff15???????? 8d4c2414 e8???????? 8b4c240c } // n = 6, score = 100 // 0f84c8000000 | je 0xce // 56 | push esi // ff15???????? | // 8d4c2414 | lea ecx, [esp + 0x14] // e8???????? | // 8b4c240c | mov ecx, dword ptr [esp + 0xc] $sequence_2 = { 8d4c2424 c684248828010002 e8???????? 8d4c2410 c684248828010001 e8???????? 8d4c2414 } // n = 7, score = 100 // 8d4c2424 | lea ecx, [esp + 0x24] // c684248828010002 | mov byte ptr [esp + 0x12888], 2 // e8???????? | // 8d4c2410 | lea ecx, [esp + 0x10] // c684248828010001 | mov byte ptr [esp + 0x12888], 1 // e8???????? | // 8d4c2414 | lea ecx, [esp + 0x14] $sequence_3 = { 8d4c240c 889c2420050000 e8???????? 8b8c2418050000 } // n = 4, score = 100 // 8d4c240c | lea ecx, [esp + 0xc] // 889c2420050000 | mov byte ptr [esp + 0x520], bl // e8???????? | // 8b8c2418050000 | mov ecx, dword ptr [esp + 0x518] $sequence_4 = { 50 b874280100 64892500000000 e8???????? 55 56 8d442408 } // n = 7, score = 100 // 50 | push eax // b874280100 | mov eax, 0x12874 // 64892500000000 | mov dword ptr fs:[0], esp // e8???????? | // 55 | push ebp // 56 | push esi // 8d442408 | lea eax, [esp + 8] $sequence_5 = { c684248828010002 e8???????? 8d4c2410 c684248828010001 e8???????? } // n = 5, score = 100 // c684248828010002 | mov byte ptr [esp + 0x12888], 2 // e8???????? | // 8d4c2410 | lea ecx, [esp + 0x10] // c684248828010001 | mov byte ptr [esp + 0x12888], 1 // e8???????? | $sequence_6 = { 889c2414010000 f3ab 66ab aa b93f000000 } // n = 5, score = 100 // 889c2414010000 | mov byte ptr [esp + 0x114], bl // f3ab | rep stosd dword ptr es:[edi], eax // 66ab | stosw word ptr es:[edi], ax // aa | stosb byte ptr es:[edi], al // b93f000000 | mov ecx, 0x3f $sequence_7 = { 50 8d942470020000 51 52 ff15???????? b93f000000 } // n = 6, score = 100 // 50 | push eax // 8d942470020000 | lea edx, [esp + 0x270] // 51 | push ecx // 52 | push edx // ff15???????? | // b93f000000 | mov ecx, 0x3f $sequence_8 = { f3ab 66ab aa 8d842414010000 6804010000 50 c784242805000001000000 } // n = 7, score = 100 // f3ab | rep stosd dword ptr es:[edi], eax // 66ab | stosw word ptr es:[edi], ax // aa | stosb byte ptr es:[edi], al // 8d842414010000 | lea eax, [esp + 0x114] // 6804010000 | push 0x104 // 50 | push eax // c784242805000001000000 | mov dword ptr [esp + 0x528], 1 $sequence_9 = { 51 ffd6 68???????? 8d4c2410 } // n = 4, score = 100 // 51 | push ecx // ffd6 | call esi // 68???????? | // 8d4c2410 | lea ecx, [esp + 0x10] condition: 7 of them and filesize < 139264 }
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