71deb1ac50741670f954e3f3e98938e351b64176791f854806c2ad2792653dac

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:28

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General

Target

2660b565e3a3d877f679babf4458280b.exe
Size

48KB
MD5

2660b565e3a3d877f679babf4458280b
SHA1

0785bc612744867237be918a9f8f4208c668db16
SHA256

71deb1ac50741670f954e3f3e98938e351b64176791f854806c2ad2792653dac
SHA512

0264b8fcb7d24603441d87fb3768f3f4e4852af985dc686332690c19986e6a44db6705f7e2c0f6e639fcee28d98aaa85c67b5fb0e2562190d92820250d71f496
SSDEEP

768:7JToSJxKrAw0cWtyNFJMQpibIGc9x+pH2og:5oWoFJMctuMog

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	2660b565e3a3d877f679babf4458280b.exe

Deletes itself 1 IoCs

pid	Process
3956	rund1132.exe

Executes dropped EXE 1 IoCs

pid	Process
3956	rund1132.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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sys001 = "C:\\Windows\\rund1132.exe"	2660b565e3a3d877f679babf4458280b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rund1132.exe	2660b565e3a3d877f679babf4458280b.exe
File opened for modification	C:\Windows\rund1132.exe	2660b565e3a3d877f679babf4458280b.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 3956	1824	2660b565e3a3d877f679babf4458280b.exe	20
PID 1824 wrote to memory of 3956	1824	2660b565e3a3d877f679babf4458280b.exe	20
PID 1824 wrote to memory of 3956	1824	2660b565e3a3d877f679babf4458280b.exe	20

C:\Users\Admin\AppData\Local\Temp\2660b565e3a3d877f679babf4458280b.exe
"C:\Users\Admin\AppData\Local\Temp\2660b565e3a3d877f679babf4458280b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\rund1132.exe
  "C:\Windows\rund1132.exe" delete C:\Users\Admin\AppData\Local\Temp\2660b565e3a3d877f679babf4458280b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3956

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\rund1132.exe

Filesize
48KB

MD5
2660b565e3a3d877f679babf4458280b

SHA1
0785bc612744867237be918a9f8f4208c668db16

SHA256
71deb1ac50741670f954e3f3e98938e351b64176791f854806c2ad2792653dac

SHA512
0264b8fcb7d24603441d87fb3768f3f4e4852af985dc686332690c19986e6a44db6705f7e2c0f6e639fcee28d98aaa85c67b5fb0e2562190d92820250d71f496

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads