38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bba

General

Target

38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe
Size

255KB
MD5

0f145b0ea82bf9216e1ea1c50f519130
SHA1

656201fdbcfe1f0ef23f59411c4878fd2b4072a0
SHA256

38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bba
SHA512

f9f0e64d632e385f5f8fe71369a995499c037faa1e20a43b9cecaf07a5a13beb920ccdb9e9674f334ed18b315f050f42d4797f4185574a1194901a0c710c21fe
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQqW:EeGUA5YZazpXUmZhJW

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe

Executes dropped EXE 1 IoCs

pid	Process
3792	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.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	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 3792	4780	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe	93
PID 4780 wrote to memory of 3792	4780	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe	93
PID 4780 wrote to memory of 3792	4780	38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe	93
PID 3792 wrote to memory of 1104	3792	a1punf5t2of.exe	94
PID 3792 wrote to memory of 1104	3792	a1punf5t2of.exe	94
PID 3792 wrote to memory of 1104	3792	a1punf5t2of.exe	94

C:\Users\Admin\AppData\Local\Temp\38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe
"C:\Users\Admin\AppData\Local\Temp\38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4780
- 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:3792
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
255KB

MD5
a4457d5f96aed5f8aa0fdf52ed31dbf7

SHA1
58e41e17fc538f5f8d151b954beb7f2dda674080

SHA256
fc6418c9a9892aad125ff63977121f7612aee30e1b0c8f970bc0a9009162b8a9

SHA512
9583096e66edc2ca9bc15ad310aa061a2ee461f0008efac99e1d0489a097c5bcaec2e2e057e0cb459e76eb7d3d4706ac43b4fcd3ec1190d08abf4bf750d5d288

Download Submit
memory/3792-24-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3792-22-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3792-28-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3792-26-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3792-25-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/3792-23-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-5-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-21-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-7-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-2-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-6-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

Filesize
4KB

Download
memory/4780-1-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4780-4-0x0000000074CA2000-0x0000000074CA3000-memory.dmp

Filesize
4KB

Download
memory/4780-3-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads