Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 03:54
Static task
static1
Behavioral task
behavioral1
Sample
77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe
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Size
804KB
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MD5
77d44c6b9dc6588995edbc55a048ae3d
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SHA1
125a9906e30658d247dfcd3ea0337edd6e3e8f52
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SHA256
15075b1391d08c7c3b40e421424f079a15aa2e1e2421af3be6fb959e637ba0ac
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SHA512
cf28c93d9374635180ee29822f9483eb06c01106aae8dbde511ed57389bf38903fde5e0afa8eb1af1acbad03c343a18db1d68f45eaaf2e6318f6bf413ffed081
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SSDEEP
12288:iSPv/89MAInjngoObhtShJPotgtbbPxKS6QUY:ikvaInjRObzEAmHPkSPUY
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation appskypre.exe -
Executes dropped EXE 3 IoCs
pid Process 3200 appskypre.exe 3104 appskypre.exe 4828 appskypre.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral2/memory/4080-4-0x00000000057D0000-0x00000000057F0000-memory.dmp agile_net -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\appskypre.exe -boot" appskypre.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3200 set thread context of 4828 3200 appskypre.exe 99 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3200 appskypre.exe 3200 appskypre.exe 3200 appskypre.exe 3200 appskypre.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4828 appskypre.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe Token: SeDebugPrivilege 3200 appskypre.exe Token: SeDebugPrivilege 3104 appskypre.exe Token: SeDebugPrivilege 4828 appskypre.exe Token: 33 4828 appskypre.exe Token: SeIncBasePriorityPrivilege 4828 appskypre.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4828 appskypre.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4080 wrote to memory of 2128 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 92 PID 4080 wrote to memory of 2128 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 92 PID 4080 wrote to memory of 2128 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 92 PID 4080 wrote to memory of 2688 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 94 PID 4080 wrote to memory of 2688 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 94 PID 4080 wrote to memory of 2688 4080 77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe 94 PID 3908 wrote to memory of 3200 3908 explorer.exe 96 PID 3908 wrote to memory of 3200 3908 explorer.exe 96 PID 3908 wrote to memory of 3200 3908 explorer.exe 96 PID 3200 wrote to memory of 3104 3200 appskypre.exe 98 PID 3200 wrote to memory of 3104 3200 appskypre.exe 98 PID 3200 wrote to memory of 3104 3200 appskypre.exe 98 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99 PID 3200 wrote to memory of 4828 3200 appskypre.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\77d44c6b9dc6588995edbc55a048ae3d_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"2⤵PID:2128
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"2⤵PID:2688
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3104
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\appskypre.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4828
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:2216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
804KB
MD577d44c6b9dc6588995edbc55a048ae3d
SHA1125a9906e30658d247dfcd3ea0337edd6e3e8f52
SHA25615075b1391d08c7c3b40e421424f079a15aa2e1e2421af3be6fb959e637ba0ac
SHA512cf28c93d9374635180ee29822f9483eb06c01106aae8dbde511ed57389bf38903fde5e0afa8eb1af1acbad03c343a18db1d68f45eaaf2e6318f6bf413ffed081