1e9595a0662d184ced635e2d88b2d952175010d0b3bd1232efafe4d754eb2da4

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 23:55

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General

Target

NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe
Size

37KB
MD5

f5aafa02d6a8b9f2cafe2e38714241f0
SHA1

4da9cab27ff9d08a31f03df9417c3c9eec9ca9df
SHA256

1e9595a0662d184ced635e2d88b2d952175010d0b3bd1232efafe4d754eb2da4
SHA512

99254e08f14fd870b89514c66fe7b8dd68a791ac67e8fd9c8a7f4fa5e896332d88c18d2f483345acb47a34bd3fda1dfbdc5cccd4f692bbc2c5da1e386d302537
SSDEEP

768:7qP0V5P1wD0CbS0HaUpJVuq9Jzo78x+pu9fWWq53E7l0nX:720V7wdS0P79Jc78x+pu9fWWq539

Score

7^/10

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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe

Executes dropped EXE 1 IoCs

pid	Process
1336	wefujn.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 1948 wrote to memory of 1336	1948	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	90
PID 1948 wrote to memory of 1336	1948	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	90
PID 1948 wrote to memory of 1336	1948	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	90

C:\Users\Admin\AppData\Local\Temp\NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\wefujn.exe
  "C:\Users\Admin\AppData\Local\Temp\wefujn.exe"
  2⤵
  - Executes dropped EXE
  PID:1336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\wefujn.exe

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\wefujn.exe

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\wefujn.exe

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

Download Submit
memory/1948-0-0x0000000004000000-0x0000000004010000-memory.dmp

Filesize
64KB

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