111c1015c52277b07d78f67a53131c5f4419747a1d92146755a93ac643be5911

Analysis

max time kernel
91s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 05:53

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General

Target

4c4f953f327d31b3721f6aa59f37dcb0.exe
Size

37KB
MD5

4c4f953f327d31b3721f6aa59f37dcb0
SHA1

8fe069e304ac99ce01c93bd6a29b8a2c2104d1af
SHA256

111c1015c52277b07d78f67a53131c5f4419747a1d92146755a93ac643be5911
SHA512

d568209b0775023fe62fe44a3d082f430377bfc62c87f9fdf43c70cea1ea278336b34f72eeab0b1b6ce11200be55558f8fd0f7f44cd6e72e44470e8d08da0aed
SSDEEP

768:/YzEI7aYv6N3a5smptK5VX1/fAg8p/t/ctpiaC0ZrG7/:jcaYvEa5Ltaneht/c7vCKrw/

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-1-5-21-2547232018-1419253926-3356748848-1000\Control Panel\International\Geo\Nation	4c4f953f327d31b3721f6aa59f37dcb0.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	ymjrx.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 1116 wrote to memory of 4588	1116	4c4f953f327d31b3721f6aa59f37dcb0.exe	84
PID 1116 wrote to memory of 4588	1116	4c4f953f327d31b3721f6aa59f37dcb0.exe	84
PID 1116 wrote to memory of 4588	1116	4c4f953f327d31b3721f6aa59f37dcb0.exe	84

C:\Users\Admin\AppData\Local\Temp\4c4f953f327d31b3721f6aa59f37dcb0.exe
"C:\Users\Admin\AppData\Local\Temp\4c4f953f327d31b3721f6aa59f37dcb0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\ymjrx.exe
  "C:\Users\Admin\AppData\Local\Temp\ymjrx.exe"
  2⤵
  - Executes dropped EXE
  PID:4588

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\ymjrx.exe

Filesize
38KB

MD5
ec44e68f9fb74fea77519e1cf0c70e29

SHA1
4d501a83144478eafbcf5d28db2c40277507c943

SHA256
05d0f824dad1a120e22c4217ce2e136ecf293ea4a2a91de15b53b401a99563ef

SHA512
6705da1c0bdfc20f81174abdb80bf5967549269b123f74eccfbe2f9b75155f823bfdd8219c7d1e37ae19f9c494daa09cffd41c2026699d78eb8660971b3ad2bf

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