cbdc77a79db09525926e7d8c167051befaeab3e878dbbe6907a042edbcbd00e4

Analysis

max time kernel
105s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 14:01

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General

Target
569565d29f45c9b13651d3d622bf40f0N.dll
Size 76KB
Sample240829-rbjzjsvfqa
SHA256 cbdc77a79db09525926e7d8c167051befaeab3e878dbbe6907a042edbcbd00e4
MD5 569565d29f45c9b13651d3d622bf40f0
SHA1 336249d5c6198cd215db31d193e77b1a5d98ccd1
SHA512 2c9c1904d5f199a21fcb24ad016ee4690f01c4accdf4d5879d82b46ad968adabe8047d92a9ae40b278e404cd72c39f4498fc8ea583f65a4554870e49a5692b0c
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZFM:c8y93KQjy7G55riF1cMo03A
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3776-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3776-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2052	3776	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3776	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 3776	1560	rundll32.exe	84
PID 1560 wrote to memory of 3776	1560	rundll32.exe	84
PID 1560 wrote to memory of 3776	1560	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\569565d29f45c9b13651d3d622bf40f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\569565d29f45c9b13651d3d622bf40f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 704
    3⤵
    - Program crash
    PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3776 -ip 3776
1⤵
PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3776-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3776-1-0x0000000010000000-0x0000000010030000-memory.dmp