829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90

Analysis

max time kernel
148s
max time network
149s
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, 18:34

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General

Target
jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
Size 28KB
Sample260925-w7tk3stfja
SHA256 829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90
MD5 7ed88454258b85016ce800bba0cd64e5
SHA1 fe9e339155f6e089f8cf3f3805c6f008120dc274
SHA512 4bcc8c215bfd35dd24946605140cd7107540191ba70080ee31fa9c6203e6b3b00d964c051142e5fc67a334ceb104a43dd6436d7e168251d8fa0a4941afdea998
SSDEEP 192:r1SFkwBlWhgQMVyLBKUBvhyH28JiLi5t9Cu/1JB5vTb90U+aQNA8FIXYrUYWBc:JSuwrHQ9bRhD+0U2u/1LZ9JGA8eYbWB
TLSH
T160D2AFEFBB680DE1C741103A10EF5EF265B6F43503A84CA48BBF1763B9755004576B92
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4848	myInsDll.exe

Loads dropped DLL 1 IoCs

pid	Process
4848	myInsDll.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\myInsDll.exe	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
File created	C:\Windows\SysWOW64\Jmansz.dat	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
File created	C:\Windows\SysWOW64\Processa.dll	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0004000000016b47-3.dat	upx
behavioral2/memory/4848-5-0x0000000010000000-0x00000000100FF000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3116	4848	WerFault.exe	89

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_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myInsDll.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4848	4228	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\myInsDll.exe
  "C:\Windows\system32\myInsDll.exe" Processa.dll,UHbabNASBBAS C:\Users\Admin\AppData\Local\Temp\jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 540
    3⤵
    - Program crash
    PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4848 -ip 4848
1⤵
PID:4544

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Processa.dll

Path C:\Windows\SysWOW64\Processa.dll
Size 11KB
SHA256 c58bcf8061fabeb6d33212590f4cea92d756c0872ca27492fb85a23bc44061c9
MD5 40c7fa4eb0a387bca7f8eec52aca54ff
SHA1 c882b3fa506b3ac3ece078ec9949a11868551829
SHA512 b951ac2d54f00802cbcfcea989675950caae33644929843543196774143174acc368397f969a80bcde6735b1604cbcb9ac94cd62e6bc329947194bfbea3cb311
SSDEEP 192:fVyLBKUBvhyH28JiLi5t9Cu/1JB5vTb90U+aQNA8FIXYrUYWBc:6bRhD+0U2u/1LZ9JGA8eYbWB
TLSH
T106329EFEF6B55EC2CB11207E50EE1EF23065F9640BA94D6042BD27637A7610086A6FA1
MD5 SHA1 SHA512 SSDEEP TLSH

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myInsDll.exe

Path C:\Windows\SysWOW64\myInsDll.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH