cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838

General

Target

cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe
Size

282KB
MD5

5a96a56db7aad339fe1034a985924bc0
SHA1

9f20157c36836712319e280a281e1a8a81c76a9a
SHA256

cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838
SHA512

56c3c73b3e6705ba31c664104d4251da301c6f485ca4d878828113090226924c513e75a3c792817a4046b76f60a709e9f6786646cf321bd35e62444d40105a98
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfME:boSeGUA5YZazpXUmZhZ6SI

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe

Executes dropped EXE 1 IoCs

pid	Process
1156	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.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	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1156	1584	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe	87
PID 1584 wrote to memory of 1156	1584	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe	87
PID 1584 wrote to memory of 1156	1584	cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe	87
PID 1156 wrote to memory of 4368	1156	a1punf5t2of.exe	88
PID 1156 wrote to memory of 4368	1156	a1punf5t2of.exe	88
PID 1156 wrote to memory of 4368	1156	a1punf5t2of.exe	88

C:\Users\Admin\AppData\Local\Temp\cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe
"C:\Users\Admin\AppData\Local\Temp\cb5250c21d6629250b9813b96a9750f0fe7cf4ff4cb691e523c7ce6a593a4838N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584
- 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:1156
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    PID:4368

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
282KB

MD5
86bf50e4a3ccd242b083874c56b5cf6b

SHA1
4c4cb0c40251e23e36e39bfe108ff5a0d6422bbf

SHA256
fda8648598ed29d08b7015c47cac5209e84e63f04239f16fc8713fbf54065c0b

SHA512
1e93fbab802f9a11ca68ffacb20aac5bcfb4e17cb240c84b5e21c4c51bdaba8a4d056f0c3bcf85eaea729f068791f139246f51ca980ea3a0a759d60009f8358b

Download Submit
memory/1156-24-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-22-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-29-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-27-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-21-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-26-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1156-25-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-7-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-5-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-1-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-23-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/1584-2-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-6-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1584-4-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/1584-3-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads