ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3

Analysis

max time kernel
150s
max time network
53s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 10:53

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General

Target

ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe
Size

1.2MB
MD5

0ff44f955a1266d134fb5e8ae3ad4e94
SHA1

ebe3a1720af72bf2a1135bc8c30a8b2c0d253537
SHA256

ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3
SHA512

7848cc5384ac0eae6e49579f01e899f54d66d03cf96788393dd86f6cf86500f4e22faa6dafe085d9c99f9cf8a38f4521bffd8fdfde9a18b02da673b351c764db
SSDEEP

24576:/vs4Nb+6ub8BaKzBJSQxHuMJuI5uLr9j3GIH1qMQQyT:/vpDLSgj5uLH8QyT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1100	search.cmd

Deletes itself 1 IoCs

pid	Process
944	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe

Loads dropped DLL 2 IoCs

pid	Process
968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe
968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.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: GetForegroundWindowSpam 1 IoCs

pid	Process
1100	search.cmd

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1100	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	29
PID 968 wrote to memory of 1100	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	29
PID 968 wrote to memory of 1100	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	29
PID 968 wrote to memory of 1100	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	29
PID 968 wrote to memory of 944	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	30
PID 968 wrote to memory of 944	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	30
PID 968 wrote to memory of 944	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	30
PID 968 wrote to memory of 944	968	ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe	30

C:\Users\Admin\AppData\Local\Temp\ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe
"C:\Users\Admin\AppData\Local\Temp\ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\BA1A77~1.EXE >> NUL
  2⤵
  - Deletes itself
  PID:944

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
0ff44f955a1266d134fb5e8ae3ad4e94

SHA1
ebe3a1720af72bf2a1135bc8c30a8b2c0d253537

SHA256
ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3

SHA512
7848cc5384ac0eae6e49579f01e899f54d66d03cf96788393dd86f6cf86500f4e22faa6dafe085d9c99f9cf8a38f4521bffd8fdfde9a18b02da673b351c764db

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
0ff44f955a1266d134fb5e8ae3ad4e94

SHA1
ebe3a1720af72bf2a1135bc8c30a8b2c0d253537

SHA256
ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3

SHA512
7848cc5384ac0eae6e49579f01e899f54d66d03cf96788393dd86f6cf86500f4e22faa6dafe085d9c99f9cf8a38f4521bffd8fdfde9a18b02da673b351c764db

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
0ff44f955a1266d134fb5e8ae3ad4e94

SHA1
ebe3a1720af72bf2a1135bc8c30a8b2c0d253537

SHA256
ba1a77336c7d072735d180f4da0c42b77c0da45457c0827a4e7192b8f6735bd3

SHA512
7848cc5384ac0eae6e49579f01e899f54d66d03cf96788393dd86f6cf86500f4e22faa6dafe085d9c99f9cf8a38f4521bffd8fdfde9a18b02da673b351c764db

Download Submit
memory/968-54-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download