a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99

General

Target

a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe
Size

96KB
MD5

7ce253dcd17f3d74ab551180c31b5507
SHA1

42bcfb1820ae870695e80cd64aab651eb680abe7
SHA256

a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99
SHA512

13afe13d1d8e489d5ceed51882856c62f939ea19aa4317f55a41fa0ade8fdea46e757ba9cdbb8a3b16cbe2870fdbd4619b2788d91c65a45894e80a798c65a99c
SSDEEP

1536:fkC0VdyQo4huTbZV2dNk2cJywQi+zWyIoL7pAtkf6qn2iLnnk30foAyiNr/:qoQoKuHD2DcJyc+zWRGGtnEIyoAyC/

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4504	taskhost.exe
4704	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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	taskhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\taskhost.exe"	taskhost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 4504 set thread context of 4704	4504	taskhost.exe	86

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4744	2040	WerFault.exe	78
3476	4504	WerFault.exe	84

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 2040 wrote to memory of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 2040 wrote to memory of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 2040 wrote to memory of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 2040 wrote to memory of 3320	2040	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	81
PID 3320 wrote to memory of 4504	3320	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	84
PID 3320 wrote to memory of 4504	3320	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	84
PID 3320 wrote to memory of 4504	3320	a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe	84
PID 4504 wrote to memory of 4704	4504	taskhost.exe	86
PID 4504 wrote to memory of 4704	4504	taskhost.exe	86
PID 4504 wrote to memory of 4704	4504	taskhost.exe	86
PID 4504 wrote to memory of 4704	4504	taskhost.exe	86
PID 4504 wrote to memory of 4704	4504	taskhost.exe	86

C:\Users\Admin\AppData\Local\Temp\a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe
"C:\Users\Admin\AppData\Local\Temp\a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe
  C:\Users\Admin\AppData\Local\Temp\a7ee5d1baf275080e6a1cea39a58cc6d23fb376493d9e9235a7701ecc685bb99.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3320
- - C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4504
  - - C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:4704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 296
      4⤵
      Program crash
      PID:3476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 296
  2⤵
  - Program crash
  PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2040 -ip 2040
1⤵
PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4504 -ip 4504
1⤵
PID:4220

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\Microsoft\taskhost.exe

Filesize
96KB

MD5
10856f8ce0a435bc080b0280710f1563

SHA1
d7fd16c855f5c1a43ee6b3e9f998a4300c128e54

SHA256
e6dfcadd792d2bd45f99974160a5e23ce3d2cb3921ff8f20c6408f2eb39d08f8

SHA512
e35504612052e884ee635e622384c4dd0838c368bfc0204d808711756ecdaae99eb67b0bb11ded230db844555eed38cebbe45f110aff0c7ced8617b63a0347e3

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

Filesize
96KB

MD5
10856f8ce0a435bc080b0280710f1563

SHA1
d7fd16c855f5c1a43ee6b3e9f998a4300c128e54

SHA256
e6dfcadd792d2bd45f99974160a5e23ce3d2cb3921ff8f20c6408f2eb39d08f8

SHA512
e35504612052e884ee635e622384c4dd0838c368bfc0204d808711756ecdaae99eb67b0bb11ded230db844555eed38cebbe45f110aff0c7ced8617b63a0347e3

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

Filesize
96KB

MD5
10856f8ce0a435bc080b0280710f1563

SHA1
d7fd16c855f5c1a43ee6b3e9f998a4300c128e54

SHA256
e6dfcadd792d2bd45f99974160a5e23ce3d2cb3921ff8f20c6408f2eb39d08f8

SHA512
e35504612052e884ee635e622384c4dd0838c368bfc0204d808711756ecdaae99eb67b0bb11ded230db844555eed38cebbe45f110aff0c7ced8617b63a0347e3

Download Submit
memory/3320-135-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3320-134-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3320-139-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3320-133-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4704-143-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4704-144-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4704-145-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

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