3f004a3f564512b1fdf69ebc1e2176c4a40f8670191c84b7537234b30776d709

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 10:32

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General

Target

3f004a3f564512b1fdf69ebc1e2176c4a40f8670191c84b7537234b30776d709N.dll
Size

76KB
MD5

e6901b8fefec21c36f2fa85df45780b0
SHA1

a25b65b1db6c1204bd7fe694d6b5c8816f324eb8
SHA256

3f004a3f564512b1fdf69ebc1e2176c4a40f8670191c84b7537234b30776d709
SHA512

067418090346633b939a344f92a045c6ea13d17566e3a187b4f5df14f40c55967ec569abc6978b1578040d82c2ce9f7afa06dbf90155e015105e843314b59487
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZZiqj:c8y93KQjy7G55riF1cMo03vZj

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2736-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2928	2736	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	2736	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2736 wrote to memory of 2928	2736	rundll32.exe	32
PID 2736 wrote to memory of 2928	2736	rundll32.exe	32
PID 2736 wrote to memory of 2928	2736	rundll32.exe	32
PID 2736 wrote to memory of 2928	2736	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f004a3f564512b1fdf69ebc1e2176c4a40f8670191c84b7537234b30776d709N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f004a3f564512b1fdf69ebc1e2176c4a40f8670191c84b7537234b30776d709N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 336
    3⤵
    - Program crash
    PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/2736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download