ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1

Analysis

max time kernel
94s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 14:05

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General

Target
ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe
Size 415KB
Sample241002-rd4fzatemf
SHA256 ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1
MD5 9853f07e6a34d31c7022a10c4a2df680
SHA1 89dfb664eb4f85dd739baa2125726f4f94d4705b
SHA512 f7bc7a9e900fd0f37d85324e091dc75427ec68044313762347807b6ff11b5bc46a05aef302fa5750a1421afc72023388ecad1f88ace1f2ee43551487674315be
SSDEEP 6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU78:ITNYrnE3bm/CiejewY5vn
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	ximo2ubzn1i.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.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	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 3064	1100	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe	82
PID 1100 wrote to memory of 3064	1100	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe	82
PID 1100 wrote to memory of 3064	1100	ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe	82
PID 3064 wrote to memory of 1824	3064	ximo2ubzn1i.exe	83
PID 3064 wrote to memory of 1824	3064	ximo2ubzn1i.exe	83
PID 3064 wrote to memory of 1824	3064	ximo2ubzn1i.exe	83

C:\Users\Admin\AppData\Local\Temp\ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe
"C:\Users\Admin\AppData\Local\Temp\ac1f9383bd99697e49af7fff58452ebc6afd72af58c85d8452a5790e37cee8c1N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:1824

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

ximo2ubzn1i.exe

Path C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
Size 415KB
SHA256 840d4d6ad3e024600f9a9c186625b8b4b015414564ea44871b516badf74ed8c4
MD5 01e322afc095d5b6f99dce9548458e98
SHA1 40be66716492ba8dbae8e619d3eb355c69ae00d7
SHA512 6630bcb646b3d446268de5b774f043710d22ec147dcbec3d9b23eb0527492ad9da3369b55d0e892c3f4e44613336a6821af4e5052ada6ec46c50193093efb532
SSDEEP 6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7o:ITNYrnE3bm/CiejewY5v3
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1100-6-0x0000000005900000-0x000000000593C000-memory.dmp

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memory/1100-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

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memory/1100-3-0x0000000005640000-0x00000000056D2000-memory.dmp

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memory/1100-4-0x00000000056F0000-0x00000000056FA000-memory.dmp

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memory/1100-5-0x0000000074A80000-0x0000000075230000-memory.dmp

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memory/1100-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

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memory/1100-1-0x0000000000BE0000-0x0000000000C4E000-memory.dmp

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memory/1100-21-0x0000000074A80000-0x0000000075230000-memory.dmp

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memory/3064-20-0x0000000074A80000-0x0000000075230000-memory.dmp

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memory/3064-22-0x0000000074A80000-0x0000000075230000-memory.dmp

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memory/3064-23-0x0000000074A80000-0x0000000075230000-memory.dmp

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memory/3064-25-0x0000000074A80000-0x0000000075230000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads