d15eef8a113eec097538caa42d80219d2816cc9ed2b1077495f47cffd3ed98b4

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
01-01-2025 16:05

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General

Target

d15eef8a113eec097538caa42d80219d2816cc9ed2b1077495f47cffd3ed98b4N.dll
Size

76KB
MD5

483a8699b47d59075e269d26d3cd9090
SHA1

3cd78c09bc3fcf409611936cb4486f9e1b2467c1
SHA256

d15eef8a113eec097538caa42d80219d2816cc9ed2b1077495f47cffd3ed98b4
SHA512

69715211032a1f27d4a7592c6f4b1f72ad8a1ab09a90676bf5703f07f087a3e2d1144b65e187ebb2bdaa08defb9b1a3d82daabecf667ec79817ab111a7a5a9a9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcoTh:c8y93KQjy7G55riF1cMo03b

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1924-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1924-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1924-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1568	1924	WerFault.exe	30

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	1924	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1040 wrote to memory of 1924	1040	rundll32.exe	30
PID 1924 wrote to memory of 1568	1924	rundll32.exe	31
PID 1924 wrote to memory of 1568	1924	rundll32.exe	31
PID 1924 wrote to memory of 1568	1924	rundll32.exe	31
PID 1924 wrote to memory of 1568	1924	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d15eef8a113eec097538caa42d80219d2816cc9ed2b1077495f47cffd3ed98b4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d15eef8a113eec097538caa42d80219d2816cc9ed2b1077495f47cffd3ed98b4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 300
    3⤵
    - Program crash
    PID:1568

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/1924-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1924-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1924-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1924-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download