3767839fb652f746baca8151c5d1727fb1854b6b6f6717bfa86844d886be176f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 17:41

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General

Target

3767839fb652f746baca8151c5d1727fb1854b6b6f6717bfa86844d886be176fN.dll
Size

76KB
MD5

77aaeac46a47b2e43b8c45d9a53ae980
SHA1

89b2fcf650bb5698fc5ff21d8f887145020f86b2
SHA256

3767839fb652f746baca8151c5d1727fb1854b6b6f6717bfa86844d886be176f
SHA512

8226afb32ee127c0a1097f528497cc03dd6859844781165a6ecd756b00991685695fb0f32ee2d7a58167a5e9ad8b78b2d7208c14c33651d7f42bdad42bce0698
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/BuIJGh:c8y93KQjy7G55riF1cMo03Nr6

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2448-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2448-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1976	2448	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	2448	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 1980 wrote to memory of 2448	1980	rundll32.exe	31
PID 2448 wrote to memory of 1976	2448	rundll32.exe	32
PID 2448 wrote to memory of 1976	2448	rundll32.exe	32
PID 2448 wrote to memory of 1976	2448	rundll32.exe	32
PID 2448 wrote to memory of 1976	2448	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3767839fb652f746baca8151c5d1727fb1854b6b6f6717bfa86844d886be176fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3767839fb652f746baca8151c5d1727fb1854b6b6f6717bfa86844d886be176fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 264
    3⤵
    - Program crash
    PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/2448-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2448-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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