3f16bd75df296617d798dbc8486770c6099e815b25d9a9f7126a012daaa2fcbc

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 04:39

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General

Target

3f16bd75df296617d798dbc8486770c6099e815b25d9a9f7126a012daaa2fcbcN.dll
Size

76KB
MD5

2103227d409c0ba827b0d0515f28e7c0
SHA1

cce75d9c150bc1fcbe43198adc91a83445470ec5
SHA256

3f16bd75df296617d798dbc8486770c6099e815b25d9a9f7126a012daaa2fcbc
SHA512

10b14bc2dddd0195f6ba6d9ee5b395395b0301dd7573c0a38d6169028872116cb7a8a7e38f4075813c092724894951ad58c3a56779f511e7e29b4b978387e0c0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZfTujW2aQO:c8y93KQjy7G55riF1cMo03xUfO

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/2180-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2180-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2180-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2180	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30
PID 2084 wrote to memory of 2180	2084	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f16bd75df296617d798dbc8486770c6099e815b25d9a9f7126a012daaa2fcbcN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f16bd75df296617d798dbc8486770c6099e815b25d9a9f7126a012daaa2fcbcN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2180

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/2180-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2180-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2180-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2180-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2180-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download