52bfd16f23f7633f0535903a920b061fc60adeab30db55031ca349259c45f0a5

General

Target

2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe
Size

5.8MB
MD5

6e815718dee84aef3033f5544f2f1778
SHA1

ffa6d14564038776a9008e23b853e7b26ec4a1c5
SHA256

52bfd16f23f7633f0535903a920b061fc60adeab30db55031ca349259c45f0a5
SHA512

6c7c080b6f437ac758314207d0e3fd69385059aa960afa55f77ee0557605313af10c1f04c7ba944100bc1fe29b6800ee8d524125ef93a9f40f1172cbc60f9027
SSDEEP

49152:vzlnEcO3Cgrb/TbvO90d7HjmAFd4A64nsfJa/pJMBMvDF/4q4auspdkgKKhdvZfG:63CE/Xx4LKhdkJESp

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2544	ChromeUpdateTaskMachinCore.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	ChromeUpdateTaskMachinCore.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	ChromeUpdateTaskMachinCore.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	ChromeUpdateTaskMachinCore.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe
1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2952	1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe	86
PID 1640 wrote to memory of 2952	1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe	86
PID 1640 wrote to memory of 2884	1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe	88
PID 1640 wrote to memory of 2884	1640	2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe	88
PID 2884 wrote to memory of 2544	2884	cmd.exe	90
PID 2884 wrote to memory of 2544	2884	cmd.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_6e815718dee84aef3033f5544f2f1778_poet-rat_snatch.exe"
1⤵
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\system32\schtasks.exe
  C:\Windows\system32\schtasks.exe /CREATE /XML C:\Users\Admin\AppData\Local\Temp\cMtuoCSoanM /F /TN ChromeUpdateTaskMachinCore
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2952
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe
    "C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe"
    3⤵
    - Executes dropped EXE
    - Modifies system certificate store
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\ChromeUpdateTaskMachinCore\ChromeUpdateTaskMachinCore.exe

Filesize
5.8MB

MD5
2f2033190b02c0ee037a3f467aac6319

SHA1
20b7aba898b5d1ffb7600b231ea682fa754601f8

SHA256
9031834a791218d699146a7783627f9346ebe26411bba41eb098b23d52fa5f8a

SHA512
7fd9851ba7239b21f4da0e5009c526b1f5455e44cb82d4c634c3039acfaedf285122ed1c8da4abec12b2239a22eed840be5f6eb7b41df9efad56dc720430b276

Download Submit
C:\Users\Admin\AppData\Local\Temp\cMtuoCSoanM

Filesize
1KB

MD5
318a80bd744a67c2f4d8c71bae830250

SHA1
c32025c6dc2e3fd200664c33aaa95d440b0c485f

SHA256
63ae0223c56a6ba93ab9aaf3d38b54d46a56f90ba88b76c645d894da5129df54

SHA512
0c75e2e916d49b9ea33548407d931063e110f9ae08d4193448ba5ac07cdeabc515d05f3fbc06097b3182256d7ec7ecf6c0114a84a29469e78a4047208699d36f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads