46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

Analysis

max time kernel
148s
max time network
158s
platform
windows7_x64
resource
win7v200722
submitted
11-08-2020 12:30

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General

Target

foo/9b8c48e6186718b7b290ceed9369a1a4.exe

Score

8^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp

Loads dropped DLL 3 IoCs

pid	Process
1412	9b8c48e6186718b7b290ceed9369a1a4.exe
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1748	schtasks.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1452	9b8c48e6186718b7b290ceed9369a1a4.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1412 wrote to memory of 1452	1412	9b8c48e6186718b7b290ceed9369a1a4.exe	24
PID 1452 wrote to memory of 1748	1452	9b8c48e6186718b7b290ceed9369a1a4.tmp	28
PID 1452 wrote to memory of 1748	1452	9b8c48e6186718b7b290ceed9369a1a4.tmp	28
PID 1452 wrote to memory of 1748	1452	9b8c48e6186718b7b290ceed9369a1a4.tmp	28
PID 1452 wrote to memory of 1748	1452	9b8c48e6186718b7b290ceed9369a1a4.tmp	28

C:\Users\Admin\AppData\Local\Temp\foo\9b8c48e6186718b7b290ceed9369a1a4.exe
"C:\Users\Admin\AppData\Local\Temp\foo\9b8c48e6186718b7b290ceed9369a1a4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1412
- C:\Users\Admin\AppData\Local\Temp\is-Q2F4O.tmp\9b8c48e6186718b7b290ceed9369a1a4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-Q2F4O.tmp\9b8c48e6186718b7b290ceed9369a1a4.tmp" /SL5="$4015A,422409,257536,C:\Users\Admin\AppData\Local\Temp\foo\9b8c48e6186718b7b290ceed9369a1a4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN VKDJ /SC ONLOGON /TR "C:\ProgramData\VkontakteDJ\VkontakteDJ.exe /H" /F /DELAY 0001:00 /RL HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

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/1520-4-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

Filesize
2.5MB

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