3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35

Analysis

max time kernel
3s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 19:12

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General

Target

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe
Size

88KB
MD5

1c8028b9c97d56ddb6e4a5756746fe49
SHA1

2fd50f09bce4e8cd9ae15ff764c87c0ccc4ab1ce
SHA256

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35
SHA512

81a6350d275d036230257570ed7096d4c5793ea5503380c8e6247186306c0cd9de1216560a6bf3b77e34ee6daaa21c4c890dabfedbe5f6e561aac75fde8c55b5
SSDEEP

768:TLtnCSqm7EGD03vPSDjmPCjX7oPYpKib4FkTuCD8vlZ1Ub5M+QsiB9MaY2Ii2I4H:TZNqOEGDYwmsX9dTunZRhIF1rx2VKF

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35 = "c:\\windows\\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe -m"	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

description	ioc	process
File opened for modification	\??\c:\windows\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe
File created	\??\c:\windows\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

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

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

pid process

1536 3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

pid process

1536 3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

pid	process
1536	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

pid	process
1536	3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe

C:\Users\Admin\AppData\Local\Temp\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe
"C:\Users\Admin\AppData\Local\Temp\3cfc7d79ae39ae9bb4b8f3bc8fd6301611b9404f55b4242ea61128e6150e1c35.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1536-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

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