84e867c1cb20e12e3bda10755a456757f5d67f0d564ece60687dd0236e079ac2

Analysis

max time kernel
141s
max time network
19s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 10:48

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General

Target

84e867c1cb20e12e3bda10755a456757f5d67f0d564ece60687dd0236e079ac2.dll
Size

76KB
MD5

b1664af46c2821cd50ce37492cf08e90
SHA1

e7d8e6239e71497cb2e666eb91cdd8ef88782508
SHA256

84e867c1cb20e12e3bda10755a456757f5d67f0d564ece60687dd0236e079ac2
SHA512

56d39f5ead43e2b93ba6d59c4d36fac2a1c8b7d789f6f1cf3b93ac429f394e00840addd3a519e8df1d46aad83046f7ecb334422b4068179db8740007b6caf5d3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4nRz:c8y93KQjy7G55riF1cMo03yRz

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/988-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/988-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/988-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/988-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/988-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1472	988	WerFault.exe	29

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	988	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 2508 wrote to memory of 988	2508	rundll32.exe	29
PID 988 wrote to memory of 1472	988	rundll32.exe	30
PID 988 wrote to memory of 1472	988	rundll32.exe	30
PID 988 wrote to memory of 1472	988	rundll32.exe	30
PID 988 wrote to memory of 1472	988	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84e867c1cb20e12e3bda10755a456757f5d67f0d564ece60687dd0236e079ac2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\84e867c1cb20e12e3bda10755a456757f5d67f0d564ece60687dd0236e079ac2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 328
    3⤵
    - Program crash
    PID:1472

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/988-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/988-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/988-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/988-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/988-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download