89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1c

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 13:53

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General

Target

89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll
Size

76KB
MD5

afad5d62c253801e595ff55d82033790
SHA1

610f25303bf77ec6eca3fd864839330849751b8a
SHA256

89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1c
SHA512

e8f2221fe89cc45b027769b916bf82e554c30fe6012801f6e0624f0fb1d796dff317ab7d6dbc065403bdee17153ad63fd0cd5178981c107c6867178a4a2b4938
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcJKA:c8y93KQjy7G55riF1cMo03iJKA

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3016-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3016-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3016-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3016-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3016-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	3016	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	3016	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 1056 wrote to memory of 3016	1056	rundll32.exe	29
PID 3016 wrote to memory of 2544	3016	rundll32.exe	30
PID 3016 wrote to memory of 2544	3016	rundll32.exe	30
PID 3016 wrote to memory of 2544	3016	rundll32.exe	30
PID 3016 wrote to memory of 2544	3016	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 336
    3⤵
    - Program crash
    PID:2544

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

Replay Monitor

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Downloads

memory/3016-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3016-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3016-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3016-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3016-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3016-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download