933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833

General

Target

933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe
Size

127KB
MD5

9ad3d97eb3aab4ac69bb7a80582244d3
SHA1

0a90ec3bc6d3913968d169bbb62d8eda9192e715
SHA256

933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833
SHA512

3374229c810ac59ad2b7ba2fe5c04bf844fd9c063a91e952b056fbdf66e61ddfc597a311a03c29943a903305af35b64b97fccb1288e5c76b0b8514f53ad04e33
SSDEEP

1536:1bwfX/d/D6V5WpetAxplna5bdOALzQO/kzvE9l8f+iou2c7T7EPldgx:1bo/AWpetAxpVaBQOszvWQLr7TSkx

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4840	taskhost.exe
3396	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
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 4840 set thread context of 3396	4840	taskhost.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5052	3648	WerFault.exe	81
3732	4840	WerFault.exe	85

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 3648 wrote to memory of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 3648 wrote to memory of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 3648 wrote to memory of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 3648 wrote to memory of 1844	3648	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	82
PID 1844 wrote to memory of 4840	1844	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	85
PID 1844 wrote to memory of 4840	1844	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	85
PID 1844 wrote to memory of 4840	1844	933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe	85
PID 4840 wrote to memory of 3396	4840	taskhost.exe	87
PID 4840 wrote to memory of 3396	4840	taskhost.exe	87
PID 4840 wrote to memory of 3396	4840	taskhost.exe	87
PID 4840 wrote to memory of 3396	4840	taskhost.exe	87
PID 4840 wrote to memory of 3396	4840	taskhost.exe	87

C:\Users\Admin\AppData\Local\Temp\933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe
"C:\Users\Admin\AppData\Local\Temp\933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Users\Admin\AppData\Local\Temp\933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe
  C:\Users\Admin\AppData\Local\Temp\933db0788026f212b2fcfec027024344cd8b843a00c6fdd834d5c31c1fcff833.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1844
- - 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:4840
  - - C:\Users\Admin\AppData\Roaming\taskhost.exe
      C:\Users\Admin\AppData\Roaming\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:3396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 292
      4⤵
      Program crash
      PID:3732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 292
  2⤵
  - Program crash
  PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3648 -ip 3648
1⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4840 -ip 4840
1⤵
PID:2316

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
127KB

MD5
2aaf72ea26dfcd1ca2095a6489ca27de

SHA1
a473e8ab732f6076e5014ed988901447fd1d110a

SHA256
96498c51beccd00b79b7dacc9c5bab1f1a4b3e17bc2b21d3bd613f162610b8c8

SHA512
770fc39c53de001f2f9c565b4ac1481e0cc8f925772fd754cb78b4bb0f81cd382d6f2b319eda27dc1f54df7a704257ef06590d2b28055b0293e77ee763d4e633

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

Filesize
127KB

MD5
2aaf72ea26dfcd1ca2095a6489ca27de

SHA1
a473e8ab732f6076e5014ed988901447fd1d110a

SHA256
96498c51beccd00b79b7dacc9c5bab1f1a4b3e17bc2b21d3bd613f162610b8c8

SHA512
770fc39c53de001f2f9c565b4ac1481e0cc8f925772fd754cb78b4bb0f81cd382d6f2b319eda27dc1f54df7a704257ef06590d2b28055b0293e77ee763d4e633

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

Filesize
127KB

MD5
2aaf72ea26dfcd1ca2095a6489ca27de

SHA1
a473e8ab732f6076e5014ed988901447fd1d110a

SHA256
96498c51beccd00b79b7dacc9c5bab1f1a4b3e17bc2b21d3bd613f162610b8c8

SHA512
770fc39c53de001f2f9c565b4ac1481e0cc8f925772fd754cb78b4bb0f81cd382d6f2b319eda27dc1f54df7a704257ef06590d2b28055b0293e77ee763d4e633

Download Submit
memory/1844-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1844-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1844-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1844-139-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1844-132-0x0000000000000000-mapping.dmp

Download
memory/1844-146-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3396-140-0x0000000000000000-mapping.dmp

Download
memory/3396-143-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3396-144-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3396-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4840-136-0x0000000000000000-mapping.dmp

Download

Analysis

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