34260b064199aece0d4af9b45f01533fcf26b3f965b6c9a7fe65451f0653d49b

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 22:41

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General

Target

5b66c32fd2b8be789d319e3e9dcfa5f9.exe
Size

229KB
MD5

5b66c32fd2b8be789d319e3e9dcfa5f9
SHA1

8e0929807dde974fbc5366aa4505086453fabbb1
SHA256

34260b064199aece0d4af9b45f01533fcf26b3f965b6c9a7fe65451f0653d49b
SHA512

ffbc7d5cd592f952967a469a0e3ee92999dc1e0da39ba9ea1f8e96b154584a60d174039a04903ed1b87fd3d4810105b935a21a0d111fb96e2f2d7ae0af36a09c
SSDEEP

3072:R4LLCgTsDAJJRjO6DMhtecMl+Vo0paULFZhh2D+0caj3kyRACXCX:R4LLrJJn2Y+K8Rn9ozXCX

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2848	cwtsudd.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\cwtsudd.exe	5b66c32fd2b8be789d319e3e9dcfa5f9.exe
File created	C:\PROGRA~3\Mozilla\njrippn.dll	cwtsudd.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2884	5b66c32fd2b8be789d319e3e9dcfa5f9.exe
2848	cwtsudd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2848	2636	taskeng.exe	29
PID 2636 wrote to memory of 2848	2636	taskeng.exe	29
PID 2636 wrote to memory of 2848	2636	taskeng.exe	29
PID 2636 wrote to memory of 2848	2636	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\5b66c32fd2b8be789d319e3e9dcfa5f9.exe
"C:\Users\Admin\AppData\Local\Temp\5b66c32fd2b8be789d319e3e9dcfa5f9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2884

C:\Windows\system32\taskeng.exe
taskeng.exe {13325BCD-378F-4DF8-B7A7-99E382BFE402} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\PROGRA~3\Mozilla\cwtsudd.exe
  C:\PROGRA~3\Mozilla\cwtsudd.exe -ldxtpdk
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2848

Network

MITRE ATT&CK Enterprise v15

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\cwtsudd.exe

Filesize
229KB

MD5
df7c2f7e8f6d27806f59deae312e141e

SHA1
358a278d14f9c196d2cf7d29a1e66b46e5a7175c

SHA256
2176cd312ce1e845a7c2d36fba9ba600f963b3f1fd0e6c8423b705da603fb765

SHA512
d3627404b568819fcecd8b42930beb2351f460167cf48e4b17f28173f4a739a9a526b7276de95cb79747ae5111939816f27745350c6025e6f704b4176b19de4c

Download Submit
memory/2848-9-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2848-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2848-10-0x00000000008A0000-0x00000000008FB000-memory.dmp

Filesize
364KB

Download
memory/2848-13-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2848-14-0x00000000008A0000-0x00000000008FB000-memory.dmp

Filesize
364KB

Download
memory/2884-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2884-1-0x0000000000460000-0x00000000004BB000-memory.dmp

Filesize
364KB

Download
memory/2884-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2884-4-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2884-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2884-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download