21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c

Analysis

max time kernel
149s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:07

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General

Target

21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe
Size

30KB
MD5

e8f19647b42a904f14d867a558d52e8f
SHA1

f82e8fcbff597584e2f065c00c18b1dd0a28585c
SHA256

21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c
SHA512

9a5178424896d39fec9d2cd2767fa1d9931e850c4cdc9ff4c713f34e0d2739853252baf429e80c2f6ea2bd040bcb94a35202de0f22b022437a024ed9547e0817
SSDEEP

384:AVk0wrG7NRkWbKU8to9KJzqI2NZ7JGwAv54V:AG0wqJRjRqom2IuGwAa

Score

7^/10

discovery

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-1-5-21-3774859476-2260090144-3466365324-1000\Control Panel\International\Geo\Nation	21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	zmnzx.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmnzx.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 4360	4280	21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe	86
PID 4280 wrote to memory of 4360	4280	21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe	86
PID 4280 wrote to memory of 4360	4280	21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe	86

C:\Users\Admin\AppData\Local\Temp\21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe
"C:\Users\Admin\AppData\Local\Temp\21939317b4c0789a75d8f386f752c1acb4a80fde6d6842e600194b7c1242088c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\zmnzx.exe
  "C:\Users\Admin\AppData\Local\Temp\zmnzx.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4360

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
30KB

MD5
64e5b3d7db82a329dd93a559a573688f

SHA1
1cb36a841f3950d402447e0240d2b7ddb39bc01f

SHA256
833e36a40d781721fa693b9aef56507d79c05e0fa77af45d3672a86644d6a8a2

SHA512
98fc3e9ed2ba31c1263d6ca8d892410909039b68d10c735af2d671c8987e135da3d753920a95d1f1672434fcc547f40d69d3dd790f4851c700207d405a4374e1

Download Submit
memory/4280-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4280-1-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download
memory/4280-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4360-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4360-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download