d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fff

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 16:15

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General

Target

d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll
Size

203KB
MD5

d8110bf41e535227cb5d709f51b35310
SHA1

aac917405f30468551c9a47adb7ee666595f27bd
SHA256

d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fff
SHA512

560c6ffab36331773f206f7d6a54fda8b8881f03e61b6e3bef85ca7636c9ce990df67d26d957a3450b83d7a4c887d5902e91fe7743434cd790191a42f4b90fc6
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMP9G:5kmCaiEoFEd+F3txm2SpiMP9G

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/2324-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2324-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2324-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2324	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	2324	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2272 wrote to memory of 2324	2272	rundll32.exe	31
PID 2324 wrote to memory of 2800	2324	rundll32.exe	32
PID 2324 wrote to memory of 2800	2324	rundll32.exe	32
PID 2324 wrote to memory of 2800	2324	rundll32.exe	32
PID 2324 wrote to memory of 2800	2324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 328
    3⤵
    - Program crash
    PID:2800

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/2324-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2324-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2324-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2324-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2324-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2324-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download