e6fabd8c145dc7e3161fa59963bc7aeaf5624f92d3181304ef0d91d0560f7189

Analysis

max time kernel
98s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 07:56

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General

Target
8318908a5e3205e6a7c2b18b30c6a2a0N.dll
Size 76KB
Sample240817-jsnp3aybrk
SHA256 e6fabd8c145dc7e3161fa59963bc7aeaf5624f92d3181304ef0d91d0560f7189
MD5 8318908a5e3205e6a7c2b18b30c6a2a0
SHA1 7f87cca049c1cbcd647002e503bdfc53ffb48b9a
SHA512 46e3e378aff974c9565fe8f8bbe016e0c43a7c83ee053da1e1fe9237283e9ec678db3e62026a8a0a3966cdb1aeb92dc2a1cf7aecf39c81d63da035d1a9813553
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZraVO:c8y93KQjy7G55riF1cMo03j
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/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3520-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2668	3520	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	3520	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 3520	4172	rundll32.exe	84
PID 4172 wrote to memory of 3520	4172	rundll32.exe	84
PID 4172 wrote to memory of 3520	4172	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8318908a5e3205e6a7c2b18b30c6a2a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8318908a5e3205e6a7c2b18b30c6a2a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 712
    3⤵
    - Program crash
    PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3520 -ip 3520
1⤵
PID:4688

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

Replay Monitor

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Downloads

memory/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3520-2-0x0000000010000000-0x0000000010030000-memory.dmp