84671b2d8b16d48a9e98daff0acee41a10c8b8d3f54e9ed58c9d21ffa57c0249

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 07:18

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General

Target

84671b2d8b16d48a9e98daff0acee41a10c8b8d3f54e9ed58c9d21ffa57c0249N.dll
Size

203KB
MD5

4ec8da127f798edc03bdf74663e44cb0
SHA1

5b61ad4d1ce0f94cfc5f0abdac445fec120782cd
SHA256

84671b2d8b16d48a9e98daff0acee41a10c8b8d3f54e9ed58c9d21ffa57c0249
SHA512

6b0a74552f0f6c91b814426fd12acebb0c29e2703b971d52a89d65d712ae97c61011601187adae00ed5d0dfd8fc831df8cb491a8f2a65e31e72cd0835c1b3144
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMt:5kmCaiEoFEd+F3txm2SpiMt

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/3008-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3008-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3008-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3008-4-0x0000000010000000-0x0000000010033000-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
3008	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29
PID 2380 wrote to memory of 3008	2380	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84671b2d8b16d48a9e98daff0acee41a10c8b8d3f54e9ed58c9d21ffa57c0249N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\84671b2d8b16d48a9e98daff0acee41a10c8b8d3f54e9ed58c9d21ffa57c0249N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008

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/3008-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3008-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3008-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3008-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3008-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download