62188fb54009ec781847f6ecc90f21da282aee4d532cde25170a042e92c67bf1

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 01:37

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General

Target
e5ec548485e3924901f07b2f13896080N.dll
Size 76KB
Sample240825-b11ets1fkc
SHA256 62188fb54009ec781847f6ecc90f21da282aee4d532cde25170a042e92c67bf1
MD5 e5ec548485e3924901f07b2f13896080
SHA1 99927ee6058c543256bab2bc13e7f2f01051f404
SHA512 a256c9c08eceba192d9b5e847fd9c39f20d318dacedb5b2e3d72b4eb2cd676c11cdec855aa073f000a4dea9d19d08cd0182fb990104b575c7875a3d87c90d76d
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9z:c8y93KQjy7G55riF1cMo037
MD5 SHA1 SHA512 SSDEEP

Score

7^/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
behavioral2/memory/3840-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3840-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3016	3840	WerFault.exe	83

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	3840	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3840	3176	rundll32.exe	83
PID 3176 wrote to memory of 3840	3176	rundll32.exe	83
PID 3176 wrote to memory of 3840	3176	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5ec548485e3924901f07b2f13896080N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5ec548485e3924901f07b2f13896080N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 704
    3⤵
    - Program crash
    PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3840 -ip 3840
1⤵
PID:3744

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/3840-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3840-2-0x0000000010000000-0x0000000010030000-memory.dmp