138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 18:48

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General

Target

138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll
Size

76KB
MD5

bbf66c7e49930c6ad2d31103cd6cc84d
SHA1

b9ae9544c82395a3ee7248c0894e7d518e351b38
SHA256

138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e
SHA512

043b2e95e2606339f9aa97fb1c204e245e5b758ef0e3a0ac2ad67332a1195c5dcdfe008e6115b111b31a4b5d47cf8938787ab48fd22058a82ef632cdd8dff461
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/KeXCWHT:c8y93KQjy7G55riF1cMo031KeXCWz

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
behavioral1/memory/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
108	2160	WerFault.exe	31

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	2160	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2172 wrote to memory of 2160	2172	rundll32.exe	31
PID 2160 wrote to memory of 108	2160	rundll32.exe	32
PID 2160 wrote to memory of 108	2160	rundll32.exe	32
PID 2160 wrote to memory of 108	2160	rundll32.exe	32
PID 2160 wrote to memory of 108	2160	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 264
    3⤵
    - Program crash
    PID:108

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/2160-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download