0f81d4c21cbb813868857c3acb01be109b163a701e191ff7984f848a8b2633c8

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 07:11

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General

Target

0f81d4c21cbb813868857c3acb01be109b163a701e191ff7984f848a8b2633c8.dll
Size

203KB
MD5

03d3ca99ee5a80a94784776ad5b8e67f
SHA1

4e515bc9c20e9018771ff4e9af66acd1746f4a69
SHA256

0f81d4c21cbb813868857c3acb01be109b163a701e191ff7984f848a8b2633c8
SHA512

f8d1fbbbbaeb8db790e5a29d7a2dc28d01217a2c7bebd555d78dacf333928b0d2dfab644caf1e20e385e2e1514f5ff3e58ef9168ac063aae1e5634fb3f6d8a44
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viME1Ni:0kmCaiEoFEd+FYOtxmdeviME1Ni

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2712-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2712-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2712-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
828	2712	WerFault.exe	28

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	2712	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 1596 wrote to memory of 2712	1596	rundll32.exe	28
PID 2712 wrote to memory of 828	2712	rundll32.exe	29
PID 2712 wrote to memory of 828	2712	rundll32.exe	29
PID 2712 wrote to memory of 828	2712	rundll32.exe	29
PID 2712 wrote to memory of 828	2712	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f81d4c21cbb813868857c3acb01be109b163a701e191ff7984f848a8b2633c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f81d4c21cbb813868857c3acb01be109b163a701e191ff7984f848a8b2633c8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 328
    3⤵
    - Program crash
    PID:828

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

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Downloads

memory/2712-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2712-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2712-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download