765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db

General

Target

765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe
Size

96KB
MD5

6b77fb4dbc2d50b5e6e1713799e5b7cc
SHA1

bbc2e9d9c5f6087d0aa8db4c68cfc436ece24ccd
SHA256

765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db
SHA512

fd2bb027691ca5e16c3b323644aa8524bc274c5580a3c9cac52ff8cc9d11eee818cacec8429dc6919ae1d2007131fc5a689f1d24c0e11a1b358a0d9cdeca7fda
SSDEEP

1536:q8kcu4l7dSZ9T+2mxPAsL/JbuOLZ64ZCPBKbnziw1dVOcwCCQc+VDM+QJtOw/:wcj7k/y2mxB9uMzZCPBK1Dw9Raw/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4496	taskhost.exe
1808	taskhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 4496 set thread context of 1808	4496	taskhost.exe	83

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4824	4496	WerFault.exe	82
4808	2476	WerFault.exe	78

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 2476 wrote to memory of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 2476 wrote to memory of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 2476 wrote to memory of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 2476 wrote to memory of 1244	2476	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	79
PID 1244 wrote to memory of 4496	1244	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	82
PID 1244 wrote to memory of 4496	1244	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	82
PID 1244 wrote to memory of 4496	1244	765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe	82
PID 4496 wrote to memory of 1808	4496	taskhost.exe	83
PID 4496 wrote to memory of 1808	4496	taskhost.exe	83
PID 4496 wrote to memory of 1808	4496	taskhost.exe	83
PID 4496 wrote to memory of 1808	4496	taskhost.exe	83
PID 4496 wrote to memory of 1808	4496	taskhost.exe	83

C:\Users\Admin\AppData\Local\Temp\765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe
"C:\Users\Admin\AppData\Local\Temp\765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe
  C:\Users\Admin\AppData\Local\Temp\765a795847dd1f71bb00fc1fbbfa42e3c0b55c1cce9a9a5776afb4b16b9096db.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Users\Admin\AppData\Roaming\taskhost.exe
    C:\Users\Admin\AppData\Roaming\taskhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4496
  - - C:\Users\Admin\AppData\Roaming\taskhost.exe
      C:\Users\Admin\AppData\Roaming\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:1808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 296
      4⤵
      Program crash
      PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 296
  2⤵
  - Program crash
  PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2476 -ip 2476
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4496 -ip 4496
1⤵
PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
3e8783189fae0711ed8cdf8ac87c0770

SHA1
9a63d3775dbd267e39c00a549e9cb3ffea3b087b

SHA256
3cece35ddac576a2f17693114503356c416b6f192738ddadf3a9445a538a698e

SHA512
07fefe05695b27a8d545d8d23a18791e472895e994fafc04394eb840fca88586a2788cff59234c1f61ac8d6662ccd508886a51ac99e64655c588949dd4321608

Download Submit
C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
3e8783189fae0711ed8cdf8ac87c0770

SHA1
9a63d3775dbd267e39c00a549e9cb3ffea3b087b

SHA256
3cece35ddac576a2f17693114503356c416b6f192738ddadf3a9445a538a698e

SHA512
07fefe05695b27a8d545d8d23a18791e472895e994fafc04394eb840fca88586a2788cff59234c1f61ac8d6662ccd508886a51ac99e64655c588949dd4321608

Download Submit
C:\Users\Admin\AppData\Roaming\taskhost.exe

Filesize
96KB

MD5
3e8783189fae0711ed8cdf8ac87c0770

SHA1
9a63d3775dbd267e39c00a549e9cb3ffea3b087b

SHA256
3cece35ddac576a2f17693114503356c416b6f192738ddadf3a9445a538a698e

SHA512
07fefe05695b27a8d545d8d23a18791e472895e994fafc04394eb840fca88586a2788cff59234c1f61ac8d6662ccd508886a51ac99e64655c588949dd4321608

Download Submit
memory/1244-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1244-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1244-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1244-144-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1808-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1808-143-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1808-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

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