Analysis
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max time kernel
120s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 04:13
Static task
static1
Behavioral task
behavioral1
Sample
aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe
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Size
1.3MB
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MD5
aaf11c607e397a85d59396aa21777722
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SHA1
a3fdec1003e1df0dd291385cd9a9a1b0ba8d89d2
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SHA256
47a28d14f1f0b01e2a230e9f675c4ff12485d455ded2ba67cf439b07bda0587a
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SHA512
0dbdca04543e491c0197a988389b35f134a7c20630680c546bceb879b1812de0c204d8a899d9eb85f84c5d405391a9e3fa19ff8c0f6d35b2956704ae2eda5c5e
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SSDEEP
24576:N7tBhSAl0ziX6Pfhym1l7tLyt5kmmxtBhEqcKh1PZ6ShSe4A0WSAqx/0E:zBhEziX6Pp51NckmmxbhEqcOcShAbWSW
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023c90-19.dat family_ardamax -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 3608 UMI.exe 3760 Brutt_black.exe -
Loads dropped DLL 2 IoCs
pid Process 3608 UMI.exe 3760 Brutt_black.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UMI Start = "C:\\Windows\\SysWOW64\\NNBWPN\\UMI.exe" UMI.exe -
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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Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\NNBWPN\UMI.004 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe File created C:\Windows\SysWOW64\NNBWPN\UMI.001 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe File created C:\Windows\SysWOW64\NNBWPN\UMI.002 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe File created C:\Windows\SysWOW64\NNBWPN\UMI.exe aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\NNBWPN\ UMI.exe -
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 3 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 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UMI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Brutt_black.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3608 UMI.exe 3608 UMI.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3608 UMI.exe Token: SeIncBasePriorityPrivilege 3608 UMI.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3760 Brutt_black.exe 3608 UMI.exe 3608 UMI.exe 3608 UMI.exe 3608 UMI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2176 wrote to memory of 3608 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 83 PID 2176 wrote to memory of 3608 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 83 PID 2176 wrote to memory of 3608 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 83 PID 2176 wrote to memory of 3760 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 84 PID 2176 wrote to memory of 3760 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 84 PID 2176 wrote to memory of 3760 2176 aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\aaf11c607e397a85d59396aa21777722_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\NNBWPN\UMI.exe"C:\Windows\system32\NNBWPN\UMI.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3608
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C:\Users\Admin\AppData\Local\Temp\Brutt_black.exe"C:\Users\Admin\AppData\Local\Temp\Brutt_black.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3760
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5daf4a95c180217d73389d60fdb7f4269
SHA1f06d00c95f6157eefc77fa8ebe506c3ee07bf551
SHA256f210ff731a4be3ca6ad94aca301f1f0ed758e1e7d1ce4e279abd323788079aaa
SHA51270a021464fd04d12ef304f8d107886bc5978210b3312cae79502e96344ac976ac71a1f8697ea3aa86836436b7f8beedd7897bc7bb808fdc9c7a2bfbc92da04db
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Filesize
288KB
MD5c4441008b01e5767f4725e4e5e017827
SHA1cd52d966bbdca8f6c3149e6789a3ac1df361613a
SHA2567172e0ab039aecb4f7b1b1a09b4c9a04f455a9155d4251a5df2f849161bd3f15
SHA51244b55aa2719d3b8bbcbf8ee74a76058424d44d16ac87b0869b73b1677b98dbb5dd8f36421069b0b05796a34415230d91099537780f3d73f307bf770b82c8520d
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Filesize
61KB
MD5d373bbf76430957bcd2e57b0c9282478
SHA1060e94a44aae965fc871ef99ef72e2903c18a812
SHA2566b417853ea93c6b973d0fb5d12cce6136dcf57b97c8566087c6d8b2b22b499e6
SHA512dc6a7d2e28d169b1c3ed5d8004bb25e4f6ba0cf71f69b8d74204d531f17d3f16b838df0bc699a9c4f4addf979676fffe0fc92f16035f7a5ee774593f9f24249a
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Filesize
44KB
MD578d9c23d5e387c983ec0f9d1cd5e7a3c
SHA13568035056154177c2f182c0fcb52b5aad99b817
SHA25614099ac39320e34d4924d349da7ee737a764587f24e913a13fbe08d1f9afb82a
SHA5125c0d169434ad2800cc82ef4b6ec3b25c765fdd4314988754c1eec57405cfbdde2c47632a333aacfb80563f427bdd2f567ac291865052f14d9d99f8ca042acdeb
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Filesize
1KB
MD5a15b457e9901ed60dd6a0856be71211c
SHA172bb38c34a8b5494cbbe2b77f99848d1e6382e49
SHA256df694154dcec562e89221d61bb441975ff8196f159b87339b1557f5d46d901e5
SHA5129edde12eba74028d1e09f1651af5043582670fcb3c9d332542d15e9082a16569f266e032c066323d6deae23e15f2b7a8287d48cef8bb92c55b94a6f3c1726286
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Filesize
1.7MB
MD50c3ef1e16d7066db155af6503190886c
SHA1d606edb9f5c1a6b421eac400e545dbcb78c19353
SHA2568f571c7d18ad3f2facf0662ee183a0ccd42fd1bcdb2cb544ab8bae8411acaa01
SHA5126275471d26b86f2212123aafceccf4a636b29d8e0b635f0a265d0fb99ff04cc282e03d174c37f6eb8ec5c8fc82fb73ca6a97192e6049a9d36f6070969d234da3