b441a0b603dd3ad0c52d23d6eb87a1a5db09b944921a24ed1e0004a533dae7af

Analysis

max time kernel
122s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 00:59

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General

Target
4a3afd7b1b16803db2ea2a932ad57412.exe
Size 1000KB
Sample240108-bcat9shdcr
SHA256 b441a0b603dd3ad0c52d23d6eb87a1a5db09b944921a24ed1e0004a533dae7af
MD5 4a3afd7b1b16803db2ea2a932ad57412
SHA1 251ce4220429a33a5cbd95baa0998d102056287b
SHA512 cce2343eca439cdf2730e61c3024f9cd00ba3082d08d51ed527a1cee83144d971c8c2726f33e3fb57400684a2f2416d0d929dda072e85d80f4647929ae837fb0
SSDEEP 24576:0pjsT8gepJVKQ6kWh4OheZmO9k1B+5vMiqt0gj2ed:ZT8gIHKQG2cqOL
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2104	4a3afd7b1b16803db2ea2a932ad57412.exe

Executes dropped EXE 1 IoCs

pid	Process
2104	4a3afd7b1b16803db2ea2a932ad57412.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2104	4a3afd7b1b16803db2ea2a932ad57412.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2104	4a3afd7b1b16803db2ea2a932ad57412.exe
2104	4a3afd7b1b16803db2ea2a932ad57412.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4044	4a3afd7b1b16803db2ea2a932ad57412.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4044	4a3afd7b1b16803db2ea2a932ad57412.exe
2104	4a3afd7b1b16803db2ea2a932ad57412.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 2104	4044	4a3afd7b1b16803db2ea2a932ad57412.exe	22
PID 4044 wrote to memory of 2104	4044	4a3afd7b1b16803db2ea2a932ad57412.exe	22
PID 4044 wrote to memory of 2104	4044	4a3afd7b1b16803db2ea2a932ad57412.exe	22
PID 2104 wrote to memory of 3592	2104	4a3afd7b1b16803db2ea2a932ad57412.exe	19
PID 2104 wrote to memory of 3592	2104	4a3afd7b1b16803db2ea2a932ad57412.exe	19
PID 2104 wrote to memory of 3592	2104	4a3afd7b1b16803db2ea2a932ad57412.exe	19

C:\Users\Admin\AppData\Local\Temp\4a3afd7b1b16803db2ea2a932ad57412.exe
"C:\Users\Admin\AppData\Local\Temp\4a3afd7b1b16803db2ea2a932ad57412.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\4a3afd7b1b16803db2ea2a932ad57412.exe
  C:\Users\Admin\AppData\Local\Temp\4a3afd7b1b16803db2ea2a932ad57412.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2104

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4a3afd7b1b16803db2ea2a932ad57412.exe" /TN Google_Trk_Updater /F
1⤵
- Creates scheduled task(s)
PID:3592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-17-0x0000000000170000-0x00000000001F3000-memory.dmp

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memory/2104-21-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/2104-20-0x0000000004F60000-0x0000000004FDE000-memory.dmp

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memory/2104-13-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/2104-27-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/4044-1-0x0000000001510000-0x0000000001593000-memory.dmp

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memory/4044-2-0x0000000000400000-0x000000000047E000-memory.dmp

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memory/4044-0-0x0000000000400000-0x0000000000483000-memory.dmp

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memory/4044-12-0x0000000000400000-0x000000000047E000-memory.dmp

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