829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90

Analysis

max time kernel
149s
max time network
140s
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, 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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe

Executes dropped EXE 1 IoCs

pid	Process
4764	myInsDll.exe

Loads dropped DLL 1 IoCs

pid	Process
4764	myInsDll.exe

Drops file in System32 directory 4 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000024404-16.dat	upx
behavioral1/memory/4764-17-0x0000000010000000-0x00000000100FF000-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
3880	4764	WerFault.exe	87

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 1060 wrote to memory of 4764	1060	jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe	87

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_829fad9ec425253af68c69a72b142279ba0732ef7826e5a8e2edf86271e8dc90.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1060
- 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:4764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 464
    3⤵
    - Program crash
    PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4764 -ip 4764
1⤵
PID:3136

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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

Submit Download

myInsDll.exe

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