c2639cf64aa94d5e26fadbd96432933c69622a9a7656539cf98655ea224948ea

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 22:41

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General

Target

8d8a91ca1a1fd6b1290a1b36faa3f38e.exe
Size

228KB
MD5

8d8a91ca1a1fd6b1290a1b36faa3f38e
SHA1

89793ede16e404fe5ffd005443d0d592994bef81
SHA256

c2639cf64aa94d5e26fadbd96432933c69622a9a7656539cf98655ea224948ea
SHA512

114bae065af836c4b23201cce10827c72485326175925e1594a124e5ae06280c43cc3cff254eac1b05a55e0dd2de0bc11270f9c0f1dd041a32714ff49bda2c4e
SSDEEP

3072:GgBwBbgWRyy+yvygwkovTD9JADB5r0+ybMCkEpPapkbUI9wd8Ld3xoe:ObgWRO5kieBub4/EppAyw2Ld36

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe

Executes dropped EXE 2 IoCs

pid	Process
4804	svchost.exe
3028	svchost.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\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe"	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4804 set thread context of 3028	4804	svchost.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe
4804	svchost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 4756 wrote to memory of 2236	4756	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	85
PID 2236 wrote to memory of 4804	2236	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	89
PID 2236 wrote to memory of 4804	2236	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	89
PID 2236 wrote to memory of 4804	2236	8d8a91ca1a1fd6b1290a1b36faa3f38e.exe	89
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90
PID 4804 wrote to memory of 3028	4804	svchost.exe	90

C:\Users\Admin\AppData\Local\Temp\8d8a91ca1a1fd6b1290a1b36faa3f38e.exe
"C:\Users\Admin\AppData\Local\Temp\8d8a91ca1a1fd6b1290a1b36faa3f38e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\8d8a91ca1a1fd6b1290a1b36faa3f38e.exe
  "C:\Users\Admin\AppData\Local\Temp\8d8a91ca1a1fd6b1290a1b36faa3f38e.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4804
  - - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      PID:3028

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
228KB

MD5
8d8a91ca1a1fd6b1290a1b36faa3f38e

SHA1
89793ede16e404fe5ffd005443d0d592994bef81

SHA256
c2639cf64aa94d5e26fadbd96432933c69622a9a7656539cf98655ea224948ea

SHA512
114bae065af836c4b23201cce10827c72485326175925e1594a124e5ae06280c43cc3cff254eac1b05a55e0dd2de0bc11270f9c0f1dd041a32714ff49bda2c4e

Download Submit
memory/2236-5-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2236-4-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2236-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2236-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2236-9-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2236-3-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-75-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-76-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-77-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-78-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-79-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3028-80-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads