e6447686ab68ede1a7b92ddc98b7e90ccf64d48876ace4b91cc45ea2437cc67c

Analysis

max time kernel
117s
max time network
54s
platform
windows7_x64
resource
win7v20210408
submitted
09/08/2021, 20:16

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General

Target
173C2D3B9408CE05C460E6D8C6CA2C75.exe
Size 43KB
Sample210809-flyt172t2j
SHA256 e6447686ab68ede1a7b92ddc98b7e90ccf64d48876ace4b91cc45ea2437cc67c
MD5 173c2d3b9408ce05c460e6d8c6ca2c75
SHA1 f7f02feceaf4f50b1d2899bb3623c1095f72eb98
SHA512 e3ac914587d4793cb269e69108449eabb3008ec8b5796efb70fe49c326ad0ab768c5552962959b966d790da5714db073f5705f50efd45c790f45413f5a8c8096
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1584	setup.exe

Loads dropped DLL 10 IoCs

pid	Process
320	173C2D3B9408CE05C460E6D8C6CA2C75.exe
320	173C2D3B9408CE05C460E6D8C6CA2C75.exe
320	173C2D3B9408CE05C460E6D8C6CA2C75.exe
320	173C2D3B9408CE05C460E6D8C6CA2C75.exe
320	173C2D3B9408CE05C460E6D8C6CA2C75.exe
1584	setup.exe
1584	setup.exe
1584	setup.exe
1584	setup.exe
1584	setup.exe

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

System Information Discovery
T1082

NSIS installer 12 IoCs

installer

resource	yara_rule
behavioral1/files/0x00030000000130d3-65.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-65.dat	nsis_installer_2
behavioral1/files/0x00030000000130d3-67.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-67.dat	nsis_installer_2
behavioral1/files/0x00030000000130d3-69.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-69.dat	nsis_installer_2
behavioral1/files/0x00030000000130d3-70.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-70.dat	nsis_installer_2
behavioral1/files/0x00030000000130d3-71.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-71.dat	nsis_installer_2
behavioral1/files/0x00030000000130d3-72.dat	nsis_installer_1
behavioral1/files/0x00030000000130d3-72.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1584	setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29
PID 320 wrote to memory of 1584	320	173C2D3B9408CE05C460E6D8C6CA2C75.exe	29

C:\Users\Admin\AppData\Local\Temp\173C2D3B9408CE05C460E6D8C6CA2C75.exe
"C:\Users\Admin\AppData\Local\Temp\173C2D3B9408CE05C460E6D8C6CA2C75.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:320
- C:\Users\Admin\AppData\Local\Temp\setup.exe
  "C:\Users\Admin\AppData\Local\Temp\setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/320-60-0x0000000075051000-0x0000000075053000-memory.dmp

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