bb3a4cb00d1e3b7fe14642cad1eb4acebf6260f16f14c698e6b9a9fce69acdc9

Analysis

max time kernel
240s
max time network
278s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 17:02

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General

Target

1cd57050ed9c6654ffe89a96596dbf4e295b1ee3ec00609ef682adf6fba8601f.dll
Size

117KB
MD5

3464d1af70e8ff74525e87c6cebd0e6d
SHA1

f6df5ab3d5a064ecce91e1e0ae39821f346ff53a
SHA256

1cd57050ed9c6654ffe89a96596dbf4e295b1ee3ec00609ef682adf6fba8601f
SHA512

b805bd05e9bf204636df7e7430381e04ffbfb04e74165622a71428cb6cf3ede45d84bdfd870c515fa73067a2651c32c80b3ffdcf0820aa98be9b7f56534584fe
SSDEEP

1536:WuYPPzq3ZTRgSOrPTjy8sRgXhSJufpUL/P9jl00Ieoll/l6x3I4PipaMPtlVI3ui:WtPPusjfjy8suUlpAv0x+76+v8T5XDH

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	2852	rundll32.exe
6	2852	rundll32.exe
8	2852	rundll32.exe
9	2852	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Fpjccwhlmh\tavaljsdd.dtx	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2852	rundll32.exe
2852	rundll32.exe
2852	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2760	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2776 wrote to memory of 2760	2776	rundll32.exe	27
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28
PID 2760 wrote to memory of 2852	2760	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cd57050ed9c6654ffe89a96596dbf4e295b1ee3ec00609ef682adf6fba8601f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cd57050ed9c6654ffe89a96596dbf4e295b1ee3ec00609ef682adf6fba8601f.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Fpjccwhlmh\tavaljsdd.dtx",Control_RunDLL
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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