10b5b127d0c994ce5b7977b3f268f43e84dcff56512a0d6947891235d9adb966

Analysis

max time kernel
26s
max time network
28s
platform
windows7_x64
resource
win7v20201028
submitted
26-11-2020 08:29

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General

Target

BH.exe
Size

560KB
MD5

5e1532ecfc1d63bc6f02645b49854db1
SHA1

fa3b3888345c2c653ccc8fc2cf3662f789e78ab4
SHA256

10b5b127d0c994ce5b7977b3f268f43e84dcff56512a0d6947891235d9adb966
SHA512

d660e750b7a6bb0642f215422e9893cd13bc83d549d16cbe8d4fea11a64d517d008a020c59607b569fcfa3782e1b18ddc3da77461a64b9deed1a23727ec97833

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables RegEdit via registry modification
evasion
Disables cmd.exe use via registry modification
evasion

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BH.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	BH.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	BH.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

BH.exe

pid process

684 BH.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BH.exe

pid process

684 BH.exe

pid	process
684	BH.exe

pid	process
684	BH.exe

C:\Users\Admin\AppData\Local\Temp\BH.exe
"C:\Users\Admin\AppData\Local\Temp\BH.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:684

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/684-0-0x0000000003840000-0x0000000003851000-memory.dmp

Filesize
68KB

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