61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7

Analysis

max time kernel
75s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 03:09

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General

Target

61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll
Size

76KB
MD5

5b0dbec0cb667e5a8fc5d7fda0fa88e9
SHA1

d34069bdd08ac91eb58972ca10b6c0716c609a08
SHA256

61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7
SHA512

4d2f88b4ee2e72ad815e89f3439b02169484fbd43ee2ecbac65b1ffd4487d79808dfebe897688a955ea8ac2dd44fadc833dcdcf8a9031e9bae6647cb2fa74fb1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7rPz:c8y93KQjy7G55riF1cMo039P

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/760-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/760-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/760-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/760-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2156	760	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	760	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 1628 wrote to memory of 760	1628	rundll32.exe	30
PID 760 wrote to memory of 2156	760	rundll32.exe	31
PID 760 wrote to memory of 2156	760	rundll32.exe	31
PID 760 wrote to memory of 2156	760	rundll32.exe	31
PID 760 wrote to memory of 2156	760	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 276
    3⤵
    - Program crash
    PID:2156

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/760-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/760-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/760-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/760-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download