4ce5b10d493de910f8ee9dfb1d2d582fea2451ed1fa59a0939ea3952697ed4d1

Analysis

max time kernel
140s
max time network
152s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 15:08

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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 8 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2612	rundll32.exe
5	2612	rundll32.exe
8	2612	rundll32.exe
11	2612	rundll32.exe
12	2612	rundll32.exe
13	2612	rundll32.exe
15	2612	rundll32.exe
16	2612	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Dlijv\ypij.wwq rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exe

pid process

2612 rundll32.exe
2612 rundll32.exe
2612 rundll32.exe
2612 rundll32.exe
2612 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

2036 rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Dlijv\ypij.wwq	rundll32.exe

pid	process
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe

pid	process
2036	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 2036	2376	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 2612	2036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cd57050ed9c6654ffe89a96596dbf4e295b1ee3ec00609ef682adf6fba8601f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2376

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:2036

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dlijv\ypij.wwq",Control_RunDLL
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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