e3f1887c3dae45539606bd9f885881390e5acad3b443906fc9b18d1faee3e14a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:57

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General

Target

e3f1887c3dae45539606bd9f885881390e5acad3b443906fc9b18d1faee3e14aN.dll
Size

76KB
MD5

e4786fe54e0709d48e5e0ce4e1d7c610
SHA1

26264fe5e7407f67e55fb3778b5d53d128ebca1d
SHA256

e3f1887c3dae45539606bd9f885881390e5acad3b443906fc9b18d1faee3e14a
SHA512

330d788bf03aad08709312f64a071cef2d0404abe6f3f327399aa95f88f1f350a3e8dc5e0534a48f91b6601189db73c02f16cc11ea9bc2925f89806f4e83e4eb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZMVBMjJA:c8y93KQjy7G55riF1cMo03KMj2

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	2680	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	2680	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 764 wrote to memory of 2680	764	rundll32.exe	31
PID 2680 wrote to memory of 2788	2680	rundll32.exe	32
PID 2680 wrote to memory of 2788	2680	rundll32.exe	32
PID 2680 wrote to memory of 2788	2680	rundll32.exe	32
PID 2680 wrote to memory of 2788	2680	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f1887c3dae45539606bd9f885881390e5acad3b443906fc9b18d1faee3e14aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f1887c3dae45539606bd9f885881390e5acad3b443906fc9b18d1faee3e14aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 232
    3⤵
    - Program crash
    PID:2788

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/2680-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2680-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download