b94fc0664feb5e752cc4cd976d9cce6445b532a595aec6a00133fce41fcf4450

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2025, 07:43

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General

Target

b94fc0664feb5e752cc4cd976d9cce6445b532a595aec6a00133fce41fcf4450.dll
Size

76KB
MD5

d6de6af22d217b2e71fcf572acfbdab3
SHA1

dbd7aae5a359acf066dd86f9edba7fa3ed37a826
SHA256

b94fc0664feb5e752cc4cd976d9cce6445b532a595aec6a00133fce41fcf4450
SHA512

c819a1e0f1f936fffe429b2cd9ec823914e731986971a7f86eb9e39f999981945d25ac56e7839db1141179076ec592a8e488d665fb630d3197e5bad30f02bf07
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwSi:c8y93KQjy7G55riF1cMo03SSi

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 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/844-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/844-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	844	WerFault.exe	83

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	844	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 844	5096	rundll32.exe	83
PID 5096 wrote to memory of 844	5096	rundll32.exe	83
PID 5096 wrote to memory of 844	5096	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b94fc0664feb5e752cc4cd976d9cce6445b532a595aec6a00133fce41fcf4450.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b94fc0664feb5e752cc4cd976d9cce6445b532a595aec6a00133fce41fcf4450.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 664
    3⤵
    - Program crash
    PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 844 -ip 844
1⤵
PID:1444

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/844-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/844-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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