335ca6c3fdec052c1fba9f5bfc91e51e0171981637e004600f0be08aa14ffac4

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:12

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General

Target

335ca6c3fdec052c1fba9f5bfc91e51e0171981637e004600f0be08aa14ffac4.dll
Size

76KB
MD5

f914121a137232d16646c485d897bc96
SHA1

4c805ffe1c211be53b7c700f52368c87ea1f2395
SHA256

335ca6c3fdec052c1fba9f5bfc91e51e0171981637e004600f0be08aa14ffac4
SHA512

4efdf1ec73d4e2de785aa1b59ad197e08f6b419fdc3fea19313498fb533aa22b5b046b3c675ae9f67c208cb57f0809824ec1bee198877e008cf8749d3cde1bb5
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6p7X/:c8y93KQjy7G55riF1cMo03G

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/1552-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1552-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1552-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	1552	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	1552	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1116 wrote to memory of 1552	1116	rundll32.exe	31
PID 1552 wrote to memory of 2000	1552	rundll32.exe	32
PID 1552 wrote to memory of 2000	1552	rundll32.exe	32
PID 1552 wrote to memory of 2000	1552	rundll32.exe	32
PID 1552 wrote to memory of 2000	1552	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\335ca6c3fdec052c1fba9f5bfc91e51e0171981637e004600f0be08aa14ffac4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\335ca6c3fdec052c1fba9f5bfc91e51e0171981637e004600f0be08aa14ffac4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 236
    3⤵
    - Program crash
    PID:2000

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/1552-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1552-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1552-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download