a72d687c5d2445e8d48d4bb99a90be69597c60f720d72eb1f9a1ea1a0b2d37b1

Analysis

max time kernel
5s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 23:53

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General

Target

44c035798fe1a2784c9184c1e3b11442.exe
Size

27KB
MD5

44c035798fe1a2784c9184c1e3b11442
SHA1

69ceba07244039bba2266a561497dd29f17b71fa
SHA256

a72d687c5d2445e8d48d4bb99a90be69597c60f720d72eb1f9a1ea1a0b2d37b1
SHA512

84150138b5bbefa9a364644e1c3c084c89fbe9311924121eb0996fe8a86d87a085fb9a567e044d57b236424400abb8f0b6e06d39580ced9e1b29ad8ceb205fee
SSDEEP

768:Wf3Eo+c9xbmYi7mkoLbp6epKFbMIFaiFRyNSM3jNwq4oSWJY:Rc9bi7mAepKFbNRyNB3pprg

Score

7^/10

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	44c035798fe1a2784c9184c1e3b11442.exe

Loads dropped DLL 2 IoCs

pid	Process
1416	rundll32.exe
1416	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wicheck080812.exe	44c035798fe1a2784c9184c1e3b11442.exe
File opened for modification	C:\Windows\SysWOW64\wicheck080812.exe	44c035798fe1a2784c9184c1e3b11442.exe
File created	C:\Windows\SysWOW64\wicheck080812.dll	44c035798fe1a2784c9184c1e3b11442.exe
File opened for modification	C:\Windows\SysWOW64\wicheck080812.dll	44c035798fe1a2784c9184c1e3b11442.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\checkcj.ini	44c035798fe1a2784c9184c1e3b11442.exe
File opened for modification	C:\Windows\checkcj.ini	rundll32.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 5 IoCs

Remote System Discovery

T1018

pid	Process
1492	PING.EXE
2280	PING.EXE
1560	PING.EXE
4492	PING.EXE
912	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2420	44c035798fe1a2784c9184c1e3b11442.exe
2420	44c035798fe1a2784c9184c1e3b11442.exe
2420	44c035798fe1a2784c9184c1e3b11442.exe
2420	44c035798fe1a2784c9184c1e3b11442.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	44c035798fe1a2784c9184c1e3b11442.exe
Token: SeDebugPrivilege	2420	44c035798fe1a2784c9184c1e3b11442.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1416	2420	44c035798fe1a2784c9184c1e3b11442.exe	92
PID 2420 wrote to memory of 1416	2420	44c035798fe1a2784c9184c1e3b11442.exe	92
PID 2420 wrote to memory of 1416	2420	44c035798fe1a2784c9184c1e3b11442.exe	92
PID 2420 wrote to memory of 2788	2420	44c035798fe1a2784c9184c1e3b11442.exe	95
PID 2420 wrote to memory of 2788	2420	44c035798fe1a2784c9184c1e3b11442.exe	95
PID 2420 wrote to memory of 2788	2420	44c035798fe1a2784c9184c1e3b11442.exe	95

C:\Users\Admin\AppData\Local\Temp\44c035798fe1a2784c9184c1e3b11442.exe
"C:\Users\Admin\AppData\Local\Temp\44c035798fe1a2784c9184c1e3b11442.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\system32\wicheck080812.dll" myjkl
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  PID:1416
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\mycjjk.bat" "
    3⤵
    PID:1548
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\jkDe.bat" "
  2⤵
  PID:2788

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
1⤵
- Runs ping.exe
PID:1560

C:\Windows\SysWOW64\wicheck080812.exe
"C:\Windows\system32\wicheck080812.exe" i
1⤵
PID:4560
- C:\program files\internet explorer\iexplore.exe
  "C:\program files\internet explorer\iexplore.exe"
  2⤵
  PID:964
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:964 CREDAT:17410 /prefetch:2
    3⤵
    PID:4372
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\jkDe.bat" "
  2⤵
  PID:5032
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:912
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1492
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2280

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
1⤵
- Runs ping.exe
PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\wicheck080812.dll

Filesize
28KB

MD5
edcf88d1c792c813b9ad524b7258ed7c

SHA1
88f3f6860a8fcf223087b3d0517c260951768d5e

SHA256
83b352370682eb77eab9f73401492ee66b7996c981dc3754f61ccf0c1e42c5f0

SHA512
71564e712ae50931ac1688570f8ae970d8cde3e9d738c6cf3fb2c8da672021e1fb60095433bb6fa1d7ee606d34570e48e71a32fe25bfc61e1178290e79e4abae

Download Submit
memory/1416-10-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download
memory/1416-18-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download
memory/1416-24-0x00000000003C0000-0x00000000003CD000-memory.dmp

Filesize
52KB

Download