1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3e

Analysis

max time kernel
102s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 02:36

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General

Target

1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe
Size

414KB
MD5

65f0fff6a9c3e188567a29eaa68df610
SHA1

32324f6cdc5b274103bf64d5de6bac913c859063
SHA256

1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3e
SHA512

4e61e5532dbc12c006490d4db9fc1ca11028c04fca024e5425d1e588c7ce7c133649b4cf18f2f5190d5b2f31dfef24d35e41f304f04f56024c64d928181f70e4
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUK:ITNYrnE3bm/CiejewY5v5

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	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.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	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 2248	4964	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe	91
PID 4964 wrote to memory of 2248	4964	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe	91
PID 4964 wrote to memory of 2248	4964	1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe	91
PID 2248 wrote to memory of 4392	2248	ximo2ubzn1i.exe	92
PID 2248 wrote to memory of 4392	2248	ximo2ubzn1i.exe	92
PID 2248 wrote to memory of 4392	2248	ximo2ubzn1i.exe	92

C:\Users\Admin\AppData\Local\Temp\1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe
"C:\Users\Admin\AppData\Local\Temp\1fc21974c56c5146756cebae45ebf547058ded5d62368dd87ad310444d915b3eN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964
- 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:2248
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:4392

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\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
414KB

MD5
07ddd782e1435b3290328e26fd8d6866

SHA1
d892903ca6dd6527109d27fa47096968b0cdd0bd

SHA256
ccbfc4f1827b7fdecd9bfd5b7faf49d8a712be9358d03a46063e3b36f0495524

SHA512
b5858394a33e18feb955443e4131d0d63a61e117bfc9d1377d5489840197ecdcaa10e26a94336b64e6ae530be70b9d8314a7b2e85d0ab1cc37e1c64fb596fc6e

Download Submit
memory/2248-25-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2248-23-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2248-22-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2248-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

Filesize
584KB

Download
memory/4964-6-0x0000000005390000-0x00000000053CC000-memory.dmp

Filesize
240KB

Download
memory/4964-5-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-20-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-4-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/4964-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/4964-2-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/4964-1-0x0000000000580000-0x00000000005EE000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads