fbbabfc07f53723a085a02b71f0d200e8ad10438493bc38c5d4b45e758e8a8cd

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 21:03

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General

Target

fbbabfc07f53723a085a02b71f0d200e8ad10438493bc38c5d4b45e758e8a8cdN.dll
Size

76KB
MD5

a77ac7d56ad1c40d650a99f5c1e84080
SHA1

5c53b3486ba9690a6b8b7899ae2d2c0a6d8e2a88
SHA256

fbbabfc07f53723a085a02b71f0d200e8ad10438493bc38c5d4b45e758e8a8cd
SHA512

2b328fa668f9cd85a982725647f8207a0a4571298da4f9345f8510af16456b2e53dbe820446b1102df1825d8b49e4e3f25ecb53809b477b4679b38fbdde85a3e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLi09pLJ:c8y93KQjy7G55riF1cMo03J3J

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1628-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1628-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1748	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 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 2308 wrote to memory of 1628	2308	rundll32.exe	30
PID 1628 wrote to memory of 1748	1628	rundll32.exe	31
PID 1628 wrote to memory of 1748	1628	rundll32.exe	31
PID 1628 wrote to memory of 1748	1628	rundll32.exe	31
PID 1628 wrote to memory of 1748	1628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbbabfc07f53723a085a02b71f0d200e8ad10438493bc38c5d4b45e758e8a8cdN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbbabfc07f53723a085a02b71f0d200e8ad10438493bc38c5d4b45e758e8a8cdN.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 332
    3⤵
    - Program crash
    PID:1748

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

Filesize
192KB

Download
memory/1628-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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

Filesize
192KB

Download
memory/1628-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1628-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download