ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/09/2026, 22:36

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General

Target
jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
Size 43KB
Sample260925-2ja2qaaa67
SHA256 ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104
MD5 889632ee7988091e8f03a3d984c26d0d
SHA1 4800f69d77789b3b74e9b8ef50ec618c0ab24161
SHA512 d4b28520a004923ecfc4dc0ae8bad3feb71565aab80c2ebc7945f57d024811a1c7a304a182b0ca1796130d8a09558c0a3c57918a7a42c7457c2b4cafa12bdb7a
SSDEEP 768:wFZuPhGxLwvZrpyA1X/U/L5RajBmnisk8mgw:PGOZvX1mzk8hw
TLSH
T128131AD737990473F641457CB08D9B16FBAA98783BA2E343873182853EE98D7D43168B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4868	ctm09003.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	ctm09003.exe

Loads dropped DLL 1 IoCs

pid	Process
4868	ctm09003.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ComRes.dll	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
File created	C:\Windows\SysWOW64\ctm09003.exe	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
File opened for modification	C:\Windows\SysWOW64\ctm09003.exe	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\fonts\ComRes.dll	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
File created	C:\Windows\fonts\ctm09003.ttf	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
File created	C:\Windows\fonts\ctm09003.fon	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctm09003.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1368	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
1368	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
4868	ctm09003.exe
4868	ctm09003.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4868	ctm09003.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 4868	1368	jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe	88

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\ctm09003.exe
  C:\Windows\system32\ctm09003.exe C:\Windows\fonts\ComRes.dll ins C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ca5730673a41d70848ca5669a2e29433fd03d5b905c9908bf52b4ca262593104.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4868

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ctm09003.exe

Path C:\Windows\SysWOW64\ctm09003.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

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ComRes.dll

Path C:\Windows\fonts\ComRes.dll
Size 12KB
SHA256 8cb87aea8539c22a338bbd3cec77b55f1be18be9a38fd785a6da3721540288e9
MD5 d14783b61176073aeadb3b4a226b0625
SHA1 70570e3f2165607386b21c6a1d1eb2a903934e3a
SHA512 b8602eb460b1480c847d64f3e4a7da929a1028ca008c8b99810f6356184171bca33b44a61bb316ef390362113ad72f614bea9932fe1ad3a8b8d33490225129a0
SSDEEP 192:+JxgU6PLurz/K92o0sWSxkLh6Dv8gziKmmnJxyAbPRX/Uxdy:+uPhAfxLwvZrmeyAbZX/Ui
TLSH
T1A342F88772E908A3F1828DBD118C7A50B7E794B427A6E707473583962FE89E2DC7510B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1368-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1368-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4868-11-0x0000000010000000-0x0000000010017000-memory.dmp

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