f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

max time kernel
139s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:15

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General

Target

b8d253be839cc683e7c8c056a7272d33.exe
Size

256KB
MD5

b8d253be839cc683e7c8c056a7272d33
SHA1

0596e3072db7d22fe4097e06528fbd5bf00e1a6d
SHA256

94c7aadd66bbfe116da0524fb80d36e4fd64238aeef7524cbfe0d8bf1ef73953
SHA512

f72c52993cb70c1d7cea24b97f8bd0477c63c310469999cbc594cb7ea4a47dc19d878377b2835a04937220787cc3d2f342da300a938f0a6a27fdfff982db9445
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+S:EeGUA5YZazpXUmZhlS

Score

7^/10

discovery 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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	b8d253be839cc683e7c8c056a7272d33.exe

Executes dropped EXE 1 IoCs

pid	Process
3856	a1punf5t2of.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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	b8d253be839cc683e7c8c056a7272d33.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	b8d253be839cc683e7c8c056a7272d33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 3856	4048	b8d253be839cc683e7c8c056a7272d33.exe	95
PID 4048 wrote to memory of 3856	4048	b8d253be839cc683e7c8c056a7272d33.exe	95
PID 4048 wrote to memory of 3856	4048	b8d253be839cc683e7c8c056a7272d33.exe	95
PID 3856 wrote to memory of 1112	3856	a1punf5t2of.exe	97
PID 3856 wrote to memory of 1112	3856	a1punf5t2of.exe	97
PID 3856 wrote to memory of 1112	3856	a1punf5t2of.exe	97

C:\Users\Admin\AppData\Local\Temp\b8d253be839cc683e7c8c056a7272d33.exe
"C:\Users\Admin\AppData\Local\Temp\b8d253be839cc683e7c8c056a7272d33.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3856
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    PID:1112

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
256KB

MD5
38d74ed401416077f946ed31c23fcbe1

SHA1
6e05654bd6eb00e16a26d3e22b1f1806b6b0d26b

SHA256
f4ac2cfdc2877b446be1d075afbc89d65490a38060cf6402873a9fdf83f223b0

SHA512
18ee7c9f8437dd926dbf25f0236c8c71434d79f17f1455caceeb3eb9cad75e215b48f97b0395b3118afff9b7f7c8db62ab291553c44839bb913755a19e4c97c4

Download Submit
memory/3856-24-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/3856-23-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/3856-28-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/3856-26-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/3856-22-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/3856-25-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-5-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-2-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-7-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-21-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-1-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-0-0x0000000074D52000-0x0000000074D53000-memory.dmp

Filesize
4KB

Download
memory/4048-6-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download
memory/4048-4-0x0000000074D52000-0x0000000074D53000-memory.dmp

Filesize
4KB

Download
memory/4048-3-0x0000000074D50000-0x0000000075301000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads