8ade36ca05b733841f178b46dabeefcd3cadb0d91ce83e0e313b68376c75189c

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 13:38

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General

Target

7781c1145869cdf87cf61d671247e80e.exe
Size

379KB
MD5

7781c1145869cdf87cf61d671247e80e
SHA1

e2f76f546d3e4ff3e748fb6d4b1b3d2890c3b1da
SHA256

8ade36ca05b733841f178b46dabeefcd3cadb0d91ce83e0e313b68376c75189c
SHA512

6d1767dc3ef0751f7a1d4c4b43d621a48a06124780e57393e5a5a8039d66a90468e8ba09a44210d02e63ab06c0bb367755f43220c9c265f2a3c5bf1ad9cdf776
SSDEEP

6144:Lu2urzh9xu/XkauJza8em0Xs0anV3Ve1h3yU1OIGtNAkoIaNOBG29J8YLj4UdC/P:Lutrzh9xOXkFa8em0X0V3U1hx1OIGtNQ

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	7781c1145869cdf87cf61d671247e80e.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\__tmp_rar_sfx_access_check_240625359	7781c1145869cdf87cf61d671247e80e.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taskmgr.exe	7781c1145869cdf87cf61d671247e80e.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taskmgr.exe	7781c1145869cdf87cf61d671247e80e.exe

Executes dropped EXE 1 IoCs

pid	Process
1628	taskmgr.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 1424 wrote to memory of 1628	1424	7781c1145869cdf87cf61d671247e80e.exe	88
PID 1424 wrote to memory of 1628	1424	7781c1145869cdf87cf61d671247e80e.exe	88
PID 1424 wrote to memory of 1628	1424	7781c1145869cdf87cf61d671247e80e.exe	88

C:\Users\Admin\AppData\Local\Temp\7781c1145869cdf87cf61d671247e80e.exe
"C:\Users\Admin\AppData\Local\Temp\7781c1145869cdf87cf61d671247e80e.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\Start Menu\Programs\Startup\taskmgr.exe
  "C:\Users\Admin\Start Menu\Programs\Startup\taskmgr.exe"
  2⤵
  - Executes dropped EXE
  PID:1628

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\taskmgr.exe

Filesize
806KB

MD5
47cfdf331a80b2028a1b8aca61bd191b

SHA1
d10bd40a735c6efbfa4fbfa6c842b4db5dba9445

SHA256
c1a6cb5e7d001839c2ce9d368aacf34767867bce2309f9d28de95c7985a6cd1d

SHA512
9ece7f127ddc29285214e7386951335719242a35001bc54c80aceb07c60f185b1eb6dce74a3b05760aec540888b529e73388f0d8ee26d4a41e3b54588e351a0d

Download Submit
memory/1628-12-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-13-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-14-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-15-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-16-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-17-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-18-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-19-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-20-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-21-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-22-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-23-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-24-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-25-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download
memory/1628-26-0x0000000000400000-0x000000000049B000-memory.dmp

Filesize
620KB

Download