489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:46

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General

Target
jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
Size 32KB
Sample260925-xep8magh87
SHA256 489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6
MD5 cc3c449192d1f5285bb19dbf92d469b2
SHA1 386b456756468ffb21afe399a5622cc35d8e4cf1
SHA512 24698e239d6876fe815be99acaa466d9adde0c336a09ee47b7118f9e2b56e1cb4f4a4a182b106d65615fafed7da1b47b01e71e3f9a2cf4a1602f7bbb52247a8c
SSDEEP 768:CDtKl+QJnkMBPf1QmePEpdJhwUDytpLg2:rkKePO4
TLSH
T174E25C46161940F2C2BA523471091F3F9F7E8C786AAC95A7DB738BC26CF5593A13930B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2580	MsIMMs32.exe

Loads dropped DLL 2 IoCs

pid	Process
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
2580	MsIMMs32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MsIMMs32 = "C:\\Windows\\MsIMMs32.exe"	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MsIMMs32.dll	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
File created	C:\Windows\SysWOW64\MsIMMs32.dll	MsIMMs32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\MsIMMs32.exe	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.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_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsIMMs32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
2580	MsIMMs32.exe
2580	MsIMMs32.exe
2580	MsIMMs32.exe
2580	MsIMMs32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
2580	MsIMMs32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 5116	3764	jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe	80
PID 2580 wrote to memory of 5116	2580	MsIMMs32.exe	80

C:\Windows\explorer.exe
explorer.exe /LOADSAVEDWINDOWS
1⤵
PID:5116
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3764

C:\Windows\MsIMMs32.exe
C:\Windows\MsIMMs32.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

MsIMMs32.exe

Path C:\Windows\MsIMMs32.exe
Size 32KB
SHA256 489d503add164b94e7718aff205445d07fc43a45d0b4069bc8ce93fcc88b11e6
MD5 cc3c449192d1f5285bb19dbf92d469b2
SHA1 386b456756468ffb21afe399a5622cc35d8e4cf1
SHA512 24698e239d6876fe815be99acaa466d9adde0c336a09ee47b7118f9e2b56e1cb4f4a4a182b106d65615fafed7da1b47b01e71e3f9a2cf4a1602f7bbb52247a8c
SSDEEP 768:CDtKl+QJnkMBPf1QmePEpdJhwUDytpLg2:rkKePO4
TLSH
T174E25C46161940F2C2BA523471091F3F9F7E8C786AAC95A7DB738BC26CF5593A13930B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MsIMMs32.dll

Path C:\Windows\SysWOW64\MsIMMs32.dll
Size 23KB
SHA256 b397055cfc22e952718a5df7055daa623de0b617ebd90cdb712b8d6a569d4d73
MD5 a3c8a4ab5c5048ec112a15c20e036766
SHA1 3d5a89a0a8a81063bbbd7c05f4525d2186b3e663
SHA512 6d146d3a716e4487bb28cd6ad67cf1d0a92284d33e00e2411bb6d45cc7871d3b4fcced8d065c162ead57adf7b06b47a15b88f697ae7f67ae1db08743467ba6f3
SSDEEP 384:2BP3rbAee8+meP9/ukopdvBhwwUf2D9L2swtmHALg2Ht:2BPf1QmePEpdJhwUDytpLg2
TLSH
T1D1B25946461940F2D2BA9338B0092F3B9F3ECC786DA8A957DB7347D22CB5097A17520F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2580-14-0x0000000010000000-0x000000001000A000-memory.dmp

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memory/5116-1-0x0000000003080000-0x0000000003081000-memory.dmp

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