Analysis
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max time kernel
94s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2024 10:43
Static task
static1
Behavioral task
behavioral1
Sample
d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe
Resource
win7-20241010-en
General
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Target
d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe
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Size
8.7MB
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MD5
d6a1ab2daea41e90484caec2a4d67afc
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SHA1
4b802190601bcf4a16bac79b2d92b8bd05a5470b
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SHA256
630bcd397047e705dcef03a42ffeff2646dd00c41a91615f0de48354131c78fe
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SHA512
4288d3babc19661cc4e4b1e3b2521c8db72b5e02480190d1e172f09c7b0c9c4ca0eddb42ee61e0bb7c1eade7fe8a0c6949e92570f6662ea23a8558ec7571ea9d
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SSDEEP
196608:WQR0skDgPH8TKHnp125eUDJMlLCUu+2763PoyR:WQR7pcT3AUFMhCUu+2oPoM
Malware Config
Signatures
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Detects Echelon Stealer payload 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023ca2-32.dat family_echelon behavioral2/memory/1504-40-0x0000022E3B500000-0x0000022E3B6C6000-memory.dmp family_echelon -
Echelon family
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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation UltraHook newe.sfx.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation UltraHook newe.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe -
Executes dropped EXE 3 IoCs
pid Process 1940 UltraHook newe.sfx.exe 2924 UltraHook newe.exe 1504 Crypt.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/files/0x0008000000023ca1-21.dat vmprotect behavioral2/memory/2924-26-0x0000000000600000-0x0000000000800000-memory.dmp vmprotect behavioral2/files/0x0007000000023ca2-32.dat vmprotect behavioral2/memory/1504-40-0x0000022E3B500000-0x0000022E3B6C6000-memory.dmp vmprotect -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UltraHook newe.sfx.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1504 Crypt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1504 Crypt.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2760 wrote to memory of 1940 2760 d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe 83 PID 2760 wrote to memory of 1940 2760 d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe 83 PID 2760 wrote to memory of 1940 2760 d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe 83 PID 1940 wrote to memory of 2924 1940 UltraHook newe.sfx.exe 85 PID 1940 wrote to memory of 2924 1940 UltraHook newe.sfx.exe 85 PID 2924 wrote to memory of 1504 2924 UltraHook newe.exe 86 PID 2924 wrote to memory of 1504 2924 UltraHook newe.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d6a1ab2daea41e90484caec2a4d67afc_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\Crypt.exe"C:\Users\Admin\AppData\Local\Temp\Crypt.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.0MB
MD50088abee944713ab183c41f3a2b07ea8
SHA1ea027d6de4b2feebfb35b4ebde88cdaab6d6e744
SHA2568ce4be0ab67c82e4f9023bbea4228430e56ef9ac133d377d75ecf2be75045111
SHA51298c88b5f4d4b30f922fbd219da691842649e7aa39eeac65a8b21ad0bdd9437ace260bdf744910690b3d004fda16f1f267f78c307741526e8ba6bde3558f4c64d
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Filesize
1.0MB
MD535c69ab07ba4fd97cb23a0351d7293b6
SHA165c3a14d30364f80ebda6cd1b83c6f9633291c35
SHA256f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c
SHA512072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70
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Filesize
1.3MB
MD506670ce4174643ad43c413115c8fde00
SHA16b7ecb0a6c058d6bd008121478178847bfa59b9b
SHA256af4b0b4e4184e5283032f0b141bd2aac39241624471888061bd6cfe661ff24fc
SHA512ef119712659b877f65310635552898c2518aae66a7e836db5ef699ec52ca21f95e040547f40175a0f9f0329aead206c800d7b6756e78e61321564d45d6ec3dc1