2b2dfaa76e43988d65b84e3502776c7ce68224db71445d35e2182b5383a1b5dc

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 18:58

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General

Target
833659f9cdc0853866f5e02e68e08e70N.dll
Size 76KB
Sample240816-xmpbas1crc
SHA256 2b2dfaa76e43988d65b84e3502776c7ce68224db71445d35e2182b5383a1b5dc
MD5 833659f9cdc0853866f5e02e68e08e70
SHA1 db9116d61ffce72a28835541b4faeae6f1ed3719
SHA512 5324c2300ffd757cd077fd7d75e43b71c6fe746b3669c3f26a20344f52a53ca99fb534968a020c1e2c1cbd604ff0a8389707a78f937b0785524b7e7c5779b85c
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDxDB3oqP8vLq2jKU7:c8y93KQjy7G55riF1cMo03lxK
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1420-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2476	1420	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	1420	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1420 wrote to memory of 2476	1420	rundll32.exe	30
PID 1420 wrote to memory of 2476	1420	rundll32.exe	30
PID 1420 wrote to memory of 2476	1420	rundll32.exe	30
PID 1420 wrote to memory of 2476	1420	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\833659f9cdc0853866f5e02e68e08e70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\833659f9cdc0853866f5e02e68e08e70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 332
    3⤵
    - Program crash
    PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/1420-2-0x0000000010000000-0x0000000010030000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads