8c968a0485c8229228fd6c9e01ca9cd9505e92d5c38d9d80f97d2a9432bc0f31

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 01:16

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General

Target

8c968a0485c8229228fd6c9e01ca9cd9505e92d5c38d9d80f97d2a9432bc0f31.dll
Size

76KB
MD5

2954c48484353ab68dbb93dd9b34a5bb
SHA1

a622756b91e25ef50bc069455e86abf7e96fd604
SHA256

8c968a0485c8229228fd6c9e01ca9cd9505e92d5c38d9d80f97d2a9432bc0f31
SHA512

9b5c43a8f359852b1f0f13fb32036ab6d4990c7115f9c8cb2b341133ec460a0874611bc5c0c1189092ed957b600475b7844ceaa0422b06a67338937aff139d2d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZiJnkxQu/:c8y93KQjy7G55riF1cMo03UJnkxQ0

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/2100-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2528	2100	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	2100	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2552 wrote to memory of 2100	2552	rundll32.exe	30
PID 2100 wrote to memory of 2528	2100	rundll32.exe	31
PID 2100 wrote to memory of 2528	2100	rundll32.exe	31
PID 2100 wrote to memory of 2528	2100	rundll32.exe	31
PID 2100 wrote to memory of 2528	2100	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c968a0485c8229228fd6c9e01ca9cd9505e92d5c38d9d80f97d2a9432bc0f31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c968a0485c8229228fd6c9e01ca9cd9505e92d5c38d9d80f97d2a9432bc0f31.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 328
    3⤵
    - Program crash
    PID:2528

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/2100-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download