b3fc90580c4b186cf98e351846d5f8ea133b7dc9615cd858bdb808dee2d21ebc

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 15:07

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General

Target

b3fc90580c4b186cf98e351846d5f8ea133b7dc9615cd858bdb808dee2d21ebcN.dll
Size

203KB
MD5

073646a10be283da78bf3302e28d1dc0
SHA1

5376cb577d1342edde1d1850209eedc382ab3f63
SHA256

b3fc90580c4b186cf98e351846d5f8ea133b7dc9615cd858bdb808dee2d21ebc
SHA512

47d41a9926091e24ff9e68875d383c3a718050801f896371b46a575675fb6db7a9fd922c644eb3835d1dfce58dec67a3f5e30e46d70d83b46799718655a1f103
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMSOX:0kmCaiEoFEd+FYOtxmdeviMSa

Score

5^/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
behavioral1/memory/2124-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2124-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	2124	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	2124	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 1968 wrote to memory of 2124	1968	rundll32.exe	30
PID 2124 wrote to memory of 2080	2124	rundll32.exe	31
PID 2124 wrote to memory of 2080	2124	rundll32.exe	31
PID 2124 wrote to memory of 2080	2124	rundll32.exe	31
PID 2124 wrote to memory of 2080	2124	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3fc90580c4b186cf98e351846d5f8ea133b7dc9615cd858bdb808dee2d21ebcN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3fc90580c4b186cf98e351846d5f8ea133b7dc9615cd858bdb808dee2d21ebcN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 328
    3⤵
    - Program crash
    PID:2080

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/2124-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2124-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2124-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download