Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 17:46
Static task
static1
Behavioral task
behavioral1
Sample
5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe
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Size
720KB
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MD5
5aa6faa9faa35e97f9527e74b225a3e8
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SHA1
470b643745f6bf44cb09e8162d7120adcfd71e60
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SHA256
7b06aa6735ae3956748e9fee4994b459dea5bcd64abbd85c15ef8a9f874c6cea
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SHA512
6b29db274b46b5675d3c508b4e605e3f6a1c5e15bb7b07ed92020af2e90551b46a6f06284d232c5756c77b66213c99f3cc0d70b0d31c6eacf1910994221c521b
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SSDEEP
12288:gwih9pFaczF1wAgyNeemCGnknz+A/1Hrj5/db2zHQdj+U:2pFdz3BeemC3vXFb27Qdj
Malware Config
Signatures
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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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4368 tmp.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini tmp.exe File created C:\Windows\assembly\Desktop.ini tmp.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 392 set thread context of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly tmp.exe File created C:\Windows\assembly\Desktop.ini tmp.exe File opened for modification C:\Windows\assembly\Desktop.ini tmp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 3012 timeout.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4368 tmp.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe Token: SeDebugPrivilege 4368 tmp.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4368 tmp.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 392 wrote to memory of 1788 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 94 PID 392 wrote to memory of 1788 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 94 PID 392 wrote to memory of 1788 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 94 PID 1788 wrote to memory of 2752 1788 cmd.exe 96 PID 1788 wrote to memory of 2752 1788 cmd.exe 96 PID 1788 wrote to memory of 2752 1788 cmd.exe 96 PID 392 wrote to memory of 4368 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 97 PID 392 wrote to memory of 4368 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 97 PID 392 wrote to memory of 4368 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 97 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4704 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 98 PID 392 wrote to memory of 4532 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 99 PID 392 wrote to memory of 4532 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 99 PID 392 wrote to memory of 4532 392 5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe 99 PID 4532 wrote to memory of 3012 4532 cmd.exe 101 PID 4532 wrote to memory of 3012 4532 cmd.exe 101 PID 4532 wrote to memory of 3012 4532 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Folderw\winup.exe.lnk " /f3⤵PID:2752
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C:\Users\Admin\AppData\Roaming\tmp.exe"C:\Users\Admin\AppData\Roaming\tmp.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4368
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C:\Users\Admin\AppData\Local\Temp\5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe"2⤵PID:4704
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Folderw\winup.exe.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Windows\SysWOW64\timeout.exetimeout /t 3003⤵
- Delays execution with timeout.exe
PID:3012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\5aa6faa9faa35e97f9527e74b225a3e8_JaffaCakes118.exe.log
Filesize319B
MD5824ba7b7eed8b900a98dd25129c4cd83
SHA154478770b2158000ef365591d42977cb854453a1
SHA256d182dd648c92e41cd62dccc65f130c07f0a96c03b32f907c3d1218e9aa5bda03
SHA512ae4f3a9673711ecb6cc5d06874c587341d5094803923b53b6e982278fa64549d7acf866de165e23750facd55da556b6794c0d32f129f4087529c73acd4ffb11e
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Filesize
720KB
MD55aa6faa9faa35e97f9527e74b225a3e8
SHA1470b643745f6bf44cb09e8162d7120adcfd71e60
SHA2567b06aa6735ae3956748e9fee4994b459dea5bcd64abbd85c15ef8a9f874c6cea
SHA5126b29db274b46b5675d3c508b4e605e3f6a1c5e15bb7b07ed92020af2e90551b46a6f06284d232c5756c77b66213c99f3cc0d70b0d31c6eacf1910994221c521b
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Filesize
190B
MD56fce4665f78683ad44cdf91f6feb74ff
SHA179f17cb3fcc259ecdd1465a6cc36f7751313079e
SHA256b9347d7fc0616e71c7a224ae320cc2828442a8fd3600039bf13d29f7150133fd
SHA5126d27d5b47a942d1cfcea32b74958474eb577c1b94a6609654c972d2663491c9f56294f8b99156bcf8a7e9d145f46b2be031352ad72cf455c0c2b3f7538f790e6
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Filesize
440KB
MD5387ee6ca07273f7901c7f089d4a9d786
SHA136c44944510aae9ae0efe4ea9f70aeac38510f29
SHA25609b1e63aac8edb4c79bfaab37726d56f906452c93ca2f8705c9893093d6cc599
SHA51218e41f519ec776867636618e7b4239e58598c5b24e40e17f8f1e0a42b48b5e9fb0b69a9ec560e17a49e5cabd9c72b61b757b82b9140e1541ed4b7e8559db0a34