40f1b359314066612fc86f14d92b90169937bc1079f5ed304a03b22056c15449

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 16:53

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General

Target

40f1b359314066612fc86f14d92b90169937bc1079f5ed304a03b22056c15449.dll
Size

76KB
MD5

8d9f5d7457c410adc6176e16ca07088c
SHA1

9e7667f7efbf88be7a84358e5f4601cf57a0d3ee
SHA256

40f1b359314066612fc86f14d92b90169937bc1079f5ed304a03b22056c15449
SHA512

1a1ae03b64e7697ec4241335e1dd668e4cfe64a624f86194b13969819ca18e6fc5f320476467a203b9512ffa5a134cde6807769f14cc63e1f4191a2e3f0260df
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2uAlX:c8y93KQjy7G55riF1cMo03MuAlX

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/2148-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2148-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	2148	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	2148	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 3036 wrote to memory of 2148	3036	rundll32.exe	30
PID 2148 wrote to memory of 1728	2148	rundll32.exe	31
PID 2148 wrote to memory of 1728	2148	rundll32.exe	31
PID 2148 wrote to memory of 1728	2148	rundll32.exe	31
PID 2148 wrote to memory of 1728	2148	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40f1b359314066612fc86f14d92b90169937bc1079f5ed304a03b22056c15449.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40f1b359314066612fc86f14d92b90169937bc1079f5ed304a03b22056c15449.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 272
    3⤵
    - Program crash
    PID:1728

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/2148-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2148-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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