b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/09/2026, 04:37

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General

Target
jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe
Size 48KB
Sample260924-e9bdva1y2j
SHA256 b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede
MD5 563e504cc789d21bc73f1c02d93ef2fa
SHA1 d0e1a7cf294269be8bd3a5f5b1b65ec0d1906f33
SHA512 ff702ec37501b04c1effbe311d219ee7970e6d5e1e36be78203237dfc02a4f529f7bc8ae520e429a00a90d489f5e9a058b26d44732428ce2d405613b744552ed
SSDEEP 768:xwDaNg0QqHE8/s8RALkZWWxGkqj02kHbat55xLBH:xwDsVQ0E8U8RA6qw2kKnVh
TLSH
T1FC234B47B66154B2CADE053430BFBB160F7B9D30966AC9E3DBE32F495870217953290B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
1808	lenschk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lensch.dll	jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe
File created	C:\Windows\SysWOW64\lenschk.exe	jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4244	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lenschk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1808	5060	jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe	89
PID 5060 wrote to memory of 4244	5060	jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Windows\SysWOW64\lenschk.exe
  C:\Windows\system32\lenschk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1808
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4244

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

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

jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede.exe.bat
Size 274B
SHA256 61e0d714e6191c89ff2f63550d36c527c5b9d64b240d6db934824e3f3c866e7c
MD5 c891be1fbbe3e3aec18badca50943a4d
SHA1 84c6f92e4e5b929ea867875672f532c7431822b9
SHA512 7146515b14faf262774b2467c3a1e42f2315d9db0d85f17e1f27488e4ed5c6acc0d0cd954a4ee6661ccf7403f01f7ae9d905bd9fb84d3a18df8e2ee83d6e4870
TLSH
T179D02BD042D2CB6D5C04DB2F096B068F883134211A893F27011287C90120514B6C1F4F
MD5 SHA1 SHA512 TLSH

Submit Download

lenschk.exe

Path C:\Windows\SysWOW64\lenschk.exe
Size 48KB
SHA256 b7b639afc9e3476aac17e469d09e5ceb45bca0b68f19bc121063ba0dead43ede
MD5 563e504cc789d21bc73f1c02d93ef2fa
SHA1 d0e1a7cf294269be8bd3a5f5b1b65ec0d1906f33
SHA512 ff702ec37501b04c1effbe311d219ee7970e6d5e1e36be78203237dfc02a4f529f7bc8ae520e429a00a90d489f5e9a058b26d44732428ce2d405613b744552ed
SSDEEP 768:xwDaNg0QqHE8/s8RALkZWWxGkqj02kHbat55xLBH:xwDsVQ0E8U8RA6qw2kKnVh
TLSH
T1FC234B47B66154B2CADE053430BFBB160F7B9D30966AC9E3DBE32F495870217953290B
MD5 SHA1 SHA512 SSDEEP TLSH