88761e7d6e827f93f3ba6f05907f12af4b0d46ab10a181f5da388e8814ee6a80

Analysis

max time kernel
73s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 05:32

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General

Target

88761e7d6e827f93f3ba6f05907f12af4b0d46ab10a181f5da388e8814ee6a80N.dll
Size

76KB
MD5

e085fb2f756c16fc558a09e733180420
SHA1

60b01f6b30c28c747107cd87c767c2fa438a6cdf
SHA256

88761e7d6e827f93f3ba6f05907f12af4b0d46ab10a181f5da388e8814ee6a80
SHA512

78e5e3024bbe86816b31cf8bd677200d443d2b1fad32bbf76b59fd3eab979786f648f5ac1d226845211e13a14660c4757e007a2f0e4ab19153400557df8a47e3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z10hq:c8y93KQjy7G55riF1cMo03DH

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/1628-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2224	1628	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	1628	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1688 wrote to memory of 1628	1688	rundll32.exe	30
PID 1628 wrote to memory of 2224	1628	rundll32.exe	31
PID 1628 wrote to memory of 2224	1628	rundll32.exe	31
PID 1628 wrote to memory of 2224	1628	rundll32.exe	31
PID 1628 wrote to memory of 2224	1628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88761e7d6e827f93f3ba6f05907f12af4b0d46ab10a181f5da388e8814ee6a80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\88761e7d6e827f93f3ba6f05907f12af4b0d46ab10a181f5da388e8814ee6a80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 268
    3⤵
    - Program crash
    PID:2224

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/1628-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1628-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1628-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download