3e1e31531a48d63bdce10c93795ce0beb3efdc2ef41d30e1c4260fb8a9a2b65a

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 14:19

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General

Target

800d9d59933f8d0bb5ec216e7c47c846.exe
Size

128KB
MD5

800d9d59933f8d0bb5ec216e7c47c846
SHA1

5fd625f3c1218d11d392b5d0ed59b1a33668225b
SHA256

3e1e31531a48d63bdce10c93795ce0beb3efdc2ef41d30e1c4260fb8a9a2b65a
SHA512

e93d152646bfb548688e90ba103b6601844cd4fe2d47452df5df7e11db8867d469fae5feaa131892b95d66805d7c29ebebb3b6d6da0ab23a4f1d42081d19bc72
SSDEEP

3072:+jzqti6vVnmDym+AVEzihGT9B4h2KHgOY3:m9junqEzBT9qh2KHvY3

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4952	taskhost.exe
4460	taskhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\taskhost.exe"	800d9d59933f8d0bb5ec216e7c47c846.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4084 set thread context of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 4952 set thread context of 4460	4952	taskhost.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5540	4084	WerFault.exe	42
1184	4952	WerFault.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 4084 wrote to memory of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 4084 wrote to memory of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 4084 wrote to memory of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 4084 wrote to memory of 3880	4084	800d9d59933f8d0bb5ec216e7c47c846.exe	86
PID 3880 wrote to memory of 4952	3880	800d9d59933f8d0bb5ec216e7c47c846.exe	94
PID 3880 wrote to memory of 4952	3880	800d9d59933f8d0bb5ec216e7c47c846.exe	94
PID 3880 wrote to memory of 4952	3880	800d9d59933f8d0bb5ec216e7c47c846.exe	94
PID 4952 wrote to memory of 4460	4952	taskhost.exe	89
PID 4952 wrote to memory of 4460	4952	taskhost.exe	89
PID 4952 wrote to memory of 4460	4952	taskhost.exe	89
PID 4952 wrote to memory of 4460	4952	taskhost.exe	89
PID 4952 wrote to memory of 4460	4952	taskhost.exe	89

C:\Users\Admin\AppData\Local\Temp\800d9d59933f8d0bb5ec216e7c47c846.exe
"C:\Users\Admin\AppData\Local\Temp\800d9d59933f8d0bb5ec216e7c47c846.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Users\Admin\AppData\Local\Temp\800d9d59933f8d0bb5ec216e7c47c846.exe
  C:\Users\Admin\AppData\Local\Temp\800d9d59933f8d0bb5ec216e7c47c846.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3880
- - 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:4952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 292
  2⤵
  - Program crash
  PID:5540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4084 -ip 4084
1⤵
PID:3504

C:\Users\Admin\AppData\Roaming\taskhost.exe
C:\Users\Admin\AppData\Roaming\taskhost.exe
1⤵
- Executes dropped EXE
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4952 -ip 4952
1⤵
PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 292
1⤵
- Program crash
PID:1184

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

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Downloads

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

Filesize
128KB

MD5
fd3e5090e802597ec62080e605324f3b

SHA1
a84025a6f1a1cc4ee192299de2316df6e209ead4

SHA256
4f18f6ed5c2fae0711705ea13c891925e627bdca9ee13d132eec8fdd06aa9fb9

SHA512
c193c3970ff6a9e2b97dda2f9ca121b6e119bb43f7eba4450b8a9f66aee0f11bba7f503080220d3c28442dc17b355d0fcaf7afe5f12a6a78d979a3434a789385

Download Submit
memory/3880-1-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-2-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3880-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4460-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4460-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4460-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4460-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads