f337d9925deb53910e3464b69d94436ec396390b8cc9e2d1e9cbe12c683596f3

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 06:28

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General

Target

f337d9925deb53910e3464b69d94436ec396390b8cc9e2d1e9cbe12c683596f3.dll
Size

76KB
MD5

e6f2695207ddeb8b162fc62fcefed092
SHA1

729d4f84676aa63990112f71523522c087c4bea5
SHA256

f337d9925deb53910e3464b69d94436ec396390b8cc9e2d1e9cbe12c683596f3
SHA512

7001216c2334090aa62ba6187e69ee0b1032f6f95156e0a4730d9ed2ab73d2865e3e60233862d0d7793b3097c1839f9cd0395bcfa02023c8e78438e7d64bc26e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zb5Xqr:c8y93KQjy7G55riF1cMo03V5ar

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/1636-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1636-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	1636	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	1636	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 2404 wrote to memory of 1636	2404	rundll32.exe	30
PID 1636 wrote to memory of 2408	1636	rundll32.exe	31
PID 1636 wrote to memory of 2408	1636	rundll32.exe	31
PID 1636 wrote to memory of 2408	1636	rundll32.exe	31
PID 1636 wrote to memory of 2408	1636	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f337d9925deb53910e3464b69d94436ec396390b8cc9e2d1e9cbe12c683596f3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f337d9925deb53910e3464b69d94436ec396390b8cc9e2d1e9cbe12c683596f3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 332
    3⤵
    - Program crash
    PID:2408

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/1636-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1636-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1636-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download