61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45

General

Target
61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe
Size 121KB
Sample260730-g5stfa1hrc
SHA256 61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45
MD5 2980c33b9f0de038fc408602fbf34187
SHA1 995793cde6debc9daad92f2ba42bd255a39a2870
SHA512 67d2cb6c71470fe78cee4a2aba35c138d93d97cb69e6d1cfd3fbefc69593efd821efc6a2df00de469aab3572b3f6f951dbfdb493ad64318d1420ee6ed1548935
SSDEEP 1536:KjPSF6+cSOSp0wKO/Vt2FHeA0MlSvktbDnbDnijr1cgPVI+PEy/LW/KfAWkxwv:KLuITw5/VCmMlSvkdijruzo/LV
TLSH
T160C382A5B2D91CCBE651927C82D6E232753CB8E107139B971A3459334FA9FC33AE4643
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3428	svchost32.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Executes dropped EXE 3 IoCs

pid	Process
3428	svchost32.exe
6052	svchost32.exe
5140	msedgeupdate.exe

Looks up external IP address via web service 1 TTPs 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	ip-api.com

Checks processor information in registry 2 TTPs 2 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	svchost32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-189034102-168398478-1159367937-1000_Classes\CLSID\{b5f8350b-0548-48b1-a6ee-88bd00b4a5e7}	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe
Key created	\REGISTRY\USER\S-1-5-21-189034102-168398478-1159367937-1000_Classes\CLSID\{b5f8350b-0548-48b1-a6ee-88bd00b4a5e7}\InprocServer32	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-189034102-168398478-1159367937-1000_Classes\CLSID\{b5f8350b-0548-48b1-a6ee-88bd00b4a5e7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsHelper\\WinSyncProvider.dll"	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-189034102-168398478-1159367937-1000_Classes\CLSID\{b5f8350b-0548-48b1-a6ee-88bd00b4a5e7}\InprocServer32\ThreadingModel = "Both"	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3440	schtasks.exe
5964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3428	svchost32.exe
3428	svchost32.exe
6052	svchost32.exe
6052	svchost32.exe
6052	svchost32.exe
6052	svchost32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 3440	4356	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe	89
PID 4356 wrote to memory of 3428	4356	61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe	91
PID 6052 wrote to memory of 5140	6052	svchost32.exe	94
PID 6052 wrote to memory of 3960	6052	svchost32.exe	95
PID 6052 wrote to memory of 5964	6052	svchost32.exe	97

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\61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe
"C:\Users\Admin\AppData\Local\Temp\61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks.exe /create /tn "MicrosoftEdgeUpdateBase" /xml "C:\Users\Admin\AppData\Local\Temp\~df0e597805.tmp" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3440
- C:\Users\Admin\AppData\Roaming\WindowsHelper\svchost32.exe
  "C:\Users\Admin\AppData\Roaming\WindowsHelper\svchost32.exe" --cleanup "C:\Users\Admin\AppData\Local\Temp\61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:3428

C:\Users\Admin\AppData\Roaming\WindowsHelper\svchost32.exe
C:\Users\Admin\AppData\Roaming\WindowsHelper\svchost32.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:6052
- C:\Users\Admin\AppData\Roaming\EdgeUpdate\msedgeupdate.exe
  "C:\Users\Admin\AppData\Roaming\EdgeUpdate\msedgeupdate.exe" --watchdog
  2⤵
  - Executes dropped EXE
  PID:5140
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /query /tn "MicrosoftEdgeUpdateBase" >NUL 2>NUL
  2⤵
  PID:3960
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks.exe /create /tn "MicrosoftEdgeUpdateBase" /xml "C:\Users\Admin\AppData\Local\Temp\~df0e5984e6.tmp" /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5964

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Event Triggered Execution

1

T1546

Component Object Model Hijacking

1

T1546.015

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Event Triggered Execution

1

T1546

Component Object Model Hijacking

1

T1546.015

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

~df0e597805.tmp

Path C:\Users\Admin\AppData\Local\Temp\~df0e597805.tmp
Size 3KB
SHA256 24e456a8631a48897ac4ebc2ca666dfbd5f9992308454f8a2fd8b297ddfc507c
MD5 27b241ac618ed462eae40bcb6c6686dc
SHA1 1f128fb827802fff0107af34e0db2362c4a10c2b
SHA512 da40f3274cbf6fe1b2d87e8ec62d4ff45a9d7fc6d611cdbe9770cdaf1c8211f8ffc042c8093209f36f0f50c80c8980b75f8bdf35e26531991d433f513f226249
TLSH
T19751354367FA1109F1F36B2CAEB624618E6BBD556938C46D00AC240CCBF7D2285A07B7
MD5 SHA1 SHA512 TLSH

Submit Download

svchost32.exe

Path C:\Users\Admin\AppData\Roaming\WindowsHelper\svchost32.exe
Size 121KB
SHA256 61858e50c96a6f37957e1d6e3249ddb49ebd5c592ddce8dacf039404897afe45
MD5 2980c33b9f0de038fc408602fbf34187
SHA1 995793cde6debc9daad92f2ba42bd255a39a2870
SHA512 67d2cb6c71470fe78cee4a2aba35c138d93d97cb69e6d1cfd3fbefc69593efd821efc6a2df00de469aab3572b3f6f951dbfdb493ad64318d1420ee6ed1548935
SSDEEP 1536:KjPSF6+cSOSp0wKO/Vt2FHeA0MlSvktbDnbDnijr1cgPVI+PEy/LW/KfAWkxwv:KLuITw5/VCmMlSvkdijruzo/LV
TLSH
T160C382A5B2D91CCBE651927C82D6E232753CB8E107139B971A3459334FA9FC33AE4643
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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