13caf60453076cd4beecbbd5bdd0040b4d6ed8222b47dae2a0be969f5a681ed0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 01:44

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General

Target

13caf60453076cd4beecbbd5bdd0040b4d6ed8222b47dae2a0be969f5a681ed0.dll
Size

76KB
MD5

85723316ec18d3af130250186e4eae9f
SHA1

5b0ac52f593e05da7c54bd5574da1fb9baa70855
SHA256

13caf60453076cd4beecbbd5bdd0040b4d6ed8222b47dae2a0be969f5a681ed0
SHA512

3909236bfadd2935194e896a0ec6c6b418e5f8dd6d75783afdd38145c6b4e879268a86bab8a488bb1b9f3834309c43d5fb16bf6b22d855dbccfec2b86024502e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqezIiQ:c8y93KQjy7G55riF1cMo03oeze

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2628-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2628-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2628-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1988	2628	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	2628	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2140 wrote to memory of 2628	2140	rundll32.exe	30
PID 2628 wrote to memory of 1988	2628	rundll32.exe	31
PID 2628 wrote to memory of 1988	2628	rundll32.exe	31
PID 2628 wrote to memory of 1988	2628	rundll32.exe	31
PID 2628 wrote to memory of 1988	2628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\13caf60453076cd4beecbbd5bdd0040b4d6ed8222b47dae2a0be969f5a681ed0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\13caf60453076cd4beecbbd5bdd0040b4d6ed8222b47dae2a0be969f5a681ed0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 264
    3⤵
    - Program crash
    PID:1988

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

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Downloads

memory/2628-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2628-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2628-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2628-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download