1d85c77ca084345fb0746d17b71c2da66cbd7b87c8c385b05ca205525d058dd8

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 05:44

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General

Target

fmod.dll
Size

157KB
MD5

53f2a550bb1b7333f44112ab18482c33
SHA1

cc1330cb0afc9fcf62588b89c66a92803408506e
SHA256

d4b8a9555e5073fb87624b56ca21451047d4763458a328e765fa93d0d80f8aad
SHA512

eaa72d9b78833678f9b9ea2f2e604994711ee5f221817dbfb82d1990bcfc264e9979a0cf499794dcee3e5b2af53f1c7b5bbc61c4b3c29095b9c8d2832bf779c7
SSDEEP

1536:m6gnQQ6WgWV2Mxh4MoU6bId5xlYxUDzQUDMd8ZEVIhiBQe6A0j/MVfEGuZL5yfso:mfQcpYMxGSY3qTZbZeHpE1vVWZbxF1

Score

7^/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
behavioral17/memory/2740-1-0x0000000010000000-0x0000000010094000-memory.dmp	upx
behavioral17/memory/2740-0-0x0000000010000000-0x0000000010094000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	2740	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 WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2876 wrote to memory of 2740	2876	rundll32.exe	30
PID 2740 wrote to memory of 2132	2740	rundll32.exe	31
PID 2740 wrote to memory of 2132	2740	rundll32.exe	31
PID 2740 wrote to memory of 2132	2740	rundll32.exe	31
PID 2740 wrote to memory of 2132	2740	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fmod.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fmod.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 244
    3⤵
    - Program crash
    PID:2132

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/2740-1-0x0000000010000000-0x0000000010094000-memory.dmp

Filesize
592KB

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memory/2740-0-0x0000000010000000-0x0000000010094000-memory.dmp

Filesize
592KB

Download