39b5b5a05e9c0328cb3f4245d1f2dcba8f50ca00d1430b501eb697b5e461b5c2

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 03:26

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General

Target

39b5b5a05e9c0328cb3f4245d1f2dcba8f50ca00d1430b501eb697b5e461b5c2N.dll
Size

76KB
MD5

5be1d51d1a84e0fa6b94b45f884b2e50
SHA1

febf49daabc5a2a99de3546cb9a03f371c2424ff
SHA256

39b5b5a05e9c0328cb3f4245d1f2dcba8f50ca00d1430b501eb697b5e461b5c2
SHA512

e07841fa85fd64ff9c9a3795ad13bc8f856caed4bea4844c5a249d899338b21bfbdeac9bce4d0e0fbe6d246cc4cea813efce30ca442a87c42e0f00b7dc34b9bd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZH7hZSicN:c8y93KQjy7G55riF1cMo031hZSz

Score

5^/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/2600-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2600-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2652	2600	WerFault.exe	30

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	2600	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2872 wrote to memory of 2600	2872	rundll32.exe	30
PID 2600 wrote to memory of 2652	2600	rundll32.exe	31
PID 2600 wrote to memory of 2652	2600	rundll32.exe	31
PID 2600 wrote to memory of 2652	2600	rundll32.exe	31
PID 2600 wrote to memory of 2652	2600	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b5b5a05e9c0328cb3f4245d1f2dcba8f50ca00d1430b501eb697b5e461b5c2N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b5b5a05e9c0328cb3f4245d1f2dcba8f50ca00d1430b501eb697b5e461b5c2N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 272
    3⤵
    - Program crash
    PID:2652

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/2600-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2600-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download