a7d90a88dcb899cd4b3812c42d4db4227c98125138ef6099bf2a2bb51aff9847

Analysis

max time kernel
112s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 13:55

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General

Target
1106ac314be6705a1a0778d82c4333c0N.dll
Size 76KB
Sample240826-q8b5jayckn
SHA256 a7d90a88dcb899cd4b3812c42d4db4227c98125138ef6099bf2a2bb51aff9847
MD5 1106ac314be6705a1a0778d82c4333c0
SHA1 c838177c9f757c40eb2119a129bb83c781264ef9
SHA512 33d39c80331ff0bdc9d23a6d77c5c87309dc0f029347aa42fed7a8478570b91c7c209659f0fe40d74677873249bd30cbaef98073fd4be03f81f205af88268f19
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZR7HfLX:c8y93KQjy7G55riF1cMo03b/b
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/3400-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3400-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
760	3400	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	3400	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 3400	1304	rundll32.exe	84
PID 1304 wrote to memory of 3400	1304	rundll32.exe	84
PID 1304 wrote to memory of 3400	1304	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1106ac314be6705a1a0778d82c4333c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1106ac314be6705a1a0778d82c4333c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 716
    3⤵
    - Program crash
    PID:760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3400 -ip 3400
1⤵
PID:4264

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/3400-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3400-1-0x0000000010000000-0x0000000010030000-memory.dmp