7bcd069f7162dd471b4e62c6f44ba1c9a970a704ae440219fd8f45bfdccbc42f

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 08:12

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General

Target

4f28e25eb72ceaa2b3cd681066420ee0N.dll
Size

76KB
MD5

4f28e25eb72ceaa2b3cd681066420ee0
SHA1

5685d036ee3742121289742cbf6ad90ffdb5813f
SHA256

7bcd069f7162dd471b4e62c6f44ba1c9a970a704ae440219fd8f45bfdccbc42f
SHA512

0fb55c3ef17bf5da2b064646965c214504130d42fb10ac25c26141ebd5f333590887b5f91b031f400eff57ac1b76d5648017818981010f2d1967e8bd4be72121
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqR+Rx:c8y93KQjy7G55riF1cMo03cCx

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2208-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2208-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	2208	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	2208	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2336 wrote to memory of 2208	2336	rundll32.exe	30
PID 2208 wrote to memory of 2240	2208	rundll32.exe	31
PID 2208 wrote to memory of 2240	2208	rundll32.exe	31
PID 2208 wrote to memory of 2240	2208	rundll32.exe	31
PID 2208 wrote to memory of 2240	2208	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f28e25eb72ceaa2b3cd681066420ee0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f28e25eb72ceaa2b3cd681066420ee0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 240
    3⤵
    - Program crash
    PID:2240

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/2208-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2208-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2208-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download