25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 20:00

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General

Target

25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe
Size

21KB
MD5

317e639a5d2fd614dc5a357b816499a0
SHA1

f92c2da2f3861ec26890d3638af4dfd8ce73bdb0
SHA256

25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a
SHA512

bfe9ac390f3b5a7be587cff703ebd191e16fa0d3c315f3553135d9d00f4273ac0af967f277eeef4975fe20fc01099a1cba9cd97cd6a22516051c6cddfedc990f
SSDEEP

192:RmHMqjoQewsETX0o1byouOlOx/+1qAGgYpVAdDWLkqQdAlPTCjmT:ReMigwsEo6Ze+N5Ypy6QdOd

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe

Executes dropped EXE 1 IoCs

pid	Process
1624	erdou.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	25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	erdou.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 1624	2672	25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe	88
PID 2672 wrote to memory of 1624	2672	25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe	88
PID 2672 wrote to memory of 1624	2672	25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe	88

C:\Users\Admin\AppData\Local\Temp\25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe
"C:\Users\Admin\AppData\Local\Temp\25f23205a396306168857698c897053866d7c93781b58a68881304a05ca42b2a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\erdou.exe
  "C:\Users\Admin\AppData\Local\Temp\erdou.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Temp\erdou.exe

Filesize
21KB

MD5
fcf4b03a3f842e270a6a6d5ff36f0650

SHA1
2357f214752091e4ec9e53519a66721d281c3192

SHA256
d491be953da91469564546d8d5870a130125b63b7beeb49a8b5a06f8f54a3f22

SHA512
63e44f3ae1e8f56196ab15f70ce8e90b3e696f0d6ca9caeb1dc530632aed4972b9b4d6db27ed78f4d08d0ebfbdc750feb5945378ea9138c81bca82aae855f28f

Download Submit
memory/1624-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2672-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2672-1-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2672-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download