1f5eac2afa8f075c14ba6e17e52216c30b9dfb1c8ef9d0c7e944717dddefa419

Analysis

max time kernel
76s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 00:04

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General

Target

1f5eac2afa8f075c14ba6e17e52216c30b9dfb1c8ef9d0c7e944717dddefa419N.dll
Size

76KB
MD5

b9e917d23a360a225472d2024cf3b0f0
SHA1

6d8edbe6227c712178f0de574fd8b2a79d34a6cc
SHA256

1f5eac2afa8f075c14ba6e17e52216c30b9dfb1c8ef9d0c7e944717dddefa419
SHA512

b5b6cacba37fe56f26b786c57d4becccb4b1eb1c08b68b9636fc66a0429c28c4d4993a4a9311099505ea4baa962b0bad1dd3787493f46112e23ef1ed91f43a82
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z3abdg:c8y93KQjy7G55riF1cMo03cy

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/2788-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2788-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2788-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2788-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2788	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	2788	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2696 wrote to memory of 2788	2696	rundll32.exe	30
PID 2788 wrote to memory of 2700	2788	rundll32.exe	31
PID 2788 wrote to memory of 2700	2788	rundll32.exe	31
PID 2788 wrote to memory of 2700	2788	rundll32.exe	31
PID 2788 wrote to memory of 2700	2788	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f5eac2afa8f075c14ba6e17e52216c30b9dfb1c8ef9d0c7e944717dddefa419N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f5eac2afa8f075c14ba6e17e52216c30b9dfb1c8ef9d0c7e944717dddefa419N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 324
    3⤵
    - Program crash
    PID:2700

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/2788-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2788-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2788-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2788-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2788-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download