Analysis
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max time kernel
142s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 04:16
Static task
static1
Behavioral task
behavioral1
Sample
e4086615e3011d916a50689cef433c77_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
e4086615e3011d916a50689cef433c77_JaffaCakes118.exe
Resource
win10v2004-20231215-en
General
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Target
e4086615e3011d916a50689cef433c77_JaffaCakes118.exe
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Size
5.4MB
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MD5
e4086615e3011d916a50689cef433c77
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SHA1
24c38d07046c2781f01d98ae3d7b1d9a80ea69e0
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SHA256
d94c8028fa7fd7062dc2cd8c78b458d68bc7c8e8e260afc827bef217aeeac693
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SHA512
06ed1a259f5d6f668508399e61a4465eabd642f966ea0903746ac6b4981f5df7bdaef2de231d1b50f5d271b357435aed21b81b66ed2fca78e219ea72d8db7966
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SSDEEP
98304:3EAKCzqdfS72BW2WLASB3MgsESIXaM3dm8j6o8DQDvALRmn6BKVq:0LNS7tASVMgdR3sWx5LALonQK4
Malware Config
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Microsoft Update.exe family_stormkitty behavioral2/memory/4772-22-0x00000000003C0000-0x0000000000410000-memory.dmp family_stormkitty behavioral2/memory/4772-28-0x0000000000CD0000-0x0000000000D44000-memory.dmp family_stormkitty -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e4086615e3011d916a50689cef433c77_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation e4086615e3011d916a50689cef433c77_JaffaCakes118.exe -
Executes dropped EXE 3 IoCs
Processes:
Microsoft Update.exeCliper.exeMACGen.v1.7.exepid process 4772 Microsoft Update.exe 4904 Cliper.exe 3928 MACGen.v1.7.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 17 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2452 4904 WerFault.exe Cliper.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Microsoft Update.exepid process 4772 Microsoft Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Microsoft Update.exedescription pid process Token: SeDebugPrivilege 4772 Microsoft Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MACGen.v1.7.exepid process 3928 MACGen.v1.7.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e4086615e3011d916a50689cef433c77_JaffaCakes118.exedescription pid process target process PID 1384 wrote to memory of 4772 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe Microsoft Update.exe PID 1384 wrote to memory of 4772 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe Microsoft Update.exe PID 1384 wrote to memory of 4904 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe Cliper.exe PID 1384 wrote to memory of 4904 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe Cliper.exe PID 1384 wrote to memory of 4904 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe Cliper.exe PID 1384 wrote to memory of 3928 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe MACGen.v1.7.exe PID 1384 wrote to memory of 3928 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe MACGen.v1.7.exe PID 1384 wrote to memory of 3928 1384 e4086615e3011d916a50689cef433c77_JaffaCakes118.exe MACGen.v1.7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e4086615e3011d916a50689cef433c77_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e4086615e3011d916a50689cef433c77_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Microsoft Update.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft Update.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Cliper.exe"C:\Users\Admin\AppData\Local\Temp\Cliper.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 13643⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\MACGen.v1.7.exe"C:\Users\Admin\AppData\Local\Temp\MACGen.v1.7.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4904 -ip 49041⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\ProgramData\sqlite3.dllFilesize
107B
MD52f802469be5b799c42b304ebcb375613
SHA14208ce7180eb8fe0f4587cb39292b96099f6c45d
SHA2567fcd4aff440def92db5231ce4ef9611acffd75cb8518f15a92b8bbf87591576f
SHA512742dee675cbb7e6c72e120878ad21366c6bc57d47da7f66a39f9d9911a1a4e310a2bac65d26e63fd1a0cb57fa22397f6f2c9042a7d8fb90e9a47c89306777268
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C:\Users\Admin\AppData\Local\Temp\Cliper.exeFilesize
200KB
MD594835b6d4af91fc977e840d64adaa485
SHA177635f373780022f21f74ade8ee80d0e652248ed
SHA2569e2455642e046af82e21bdc6bc8659a5acc10796e383dcd7064227b0e8c6675b
SHA512c1ff6e810d1f3476e635a206ef7b9e762230e29a0608cb961df6931d415315e1661277f2cebb2bdd15ef8291c5adae7311f97f0690aefea8fc4a3af1665d779a
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C:\Users\Admin\AppData\Local\Temp\MACGen.v1.7.exeFilesize
16.0MB
MD5b9811425b010c92811573d4a1b94e90f
SHA1a10a1b1b7d762fcc28b1ca16a09684305b0e8666
SHA2568fb5143ef3cb8d3e8a83a42c90a74d68d7b9c4d56cfd2caa93f8bd575e7c04a7
SHA5128c0d4cdad37f82c6fdad3aaee35fa4048e6f3a1f94d81fd8f40800173e3dc893c3f93b29de4d55923b5ff6d1d31c19b10ac58b017c5f34501f44f4598494fb08
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C:\Users\Admin\AppData\Local\Temp\Microsoft Update.exeFilesize
310KB
MD556b988f42827cff418d61f5738beb321
SHA1d1440332895941edfa037d425eff00c109cfc15a
SHA25643f322f83191d6990afee7dc4b5528e217e162b434afe06478f191d76b64d939
SHA5122792bd3e0a1750fce7f33a06f78bb23df20ab6c841b5228d0cd3709afe578fc0af0596e9e9d7ec958a3a3b103df014b7db8fd7fe323e993e32971b3460af1506
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memory/3928-34-0x0000000001650000-0x0000000001651000-memory.dmpFilesize
4KB
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memory/3928-48-0x0000000000400000-0x0000000001415000-memory.dmpFilesize
16.1MB
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memory/3928-56-0x0000000001650000-0x0000000001651000-memory.dmpFilesize
4KB
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memory/4772-29-0x00007FFA64800000-0x00007FFA652C1000-memory.dmpFilesize
10.8MB
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memory/4772-28-0x0000000000CD0000-0x0000000000D44000-memory.dmpFilesize
464KB
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memory/4772-30-0x0000000000D40000-0x0000000000D46000-memory.dmpFilesize
24KB
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memory/4772-33-0x000000001BF60000-0x000000001BF70000-memory.dmpFilesize
64KB
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memory/4772-22-0x00000000003C0000-0x0000000000410000-memory.dmpFilesize
320KB
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memory/4772-52-0x00007FFA64800000-0x00007FFA652C1000-memory.dmpFilesize
10.8MB
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memory/4772-55-0x000000001BF60000-0x000000001BF70000-memory.dmpFilesize
64KB