62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993

General

Target

62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe
Size

47KB
MD5

7eccfa4094002abc7757d9f5e16c2f00
SHA1

dec75375036ec76b9238a67273606d31b3f4cef6
SHA256

62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993
SHA512

cd4e30deec106c7713dc1135404c939cda0265c4a0e9c9d8c33cfd63cecb09ab56706e349f961090535dc7e9f4dd91db0fb2e536e703026a0d10f4b705e43b20
SSDEEP

768:eJcFA585rzIHEjQgcapQB2wKfv81ZlH/GHDBfAV1A8D1mRyFvPfsO2HsCjPkai45:LEqpZAbqq/rpFcHsCrkM

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
564	WinRaR.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1204	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\842cf05c06523d5550ec1202d9839c0d.exe	WinRaR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\842cf05c06523d5550ec1202d9839c0d.exe	WinRaR.exe

Loads dropped DLL 1 IoCs

pid	Process
1232	62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\842cf05c06523d5550ec1202d9839c0d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRaR.exe\" .."	WinRaR.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\842cf05c06523d5550ec1202d9839c0d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRaR.exe\" .."	WinRaR.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

pid	Process
564	WinRaR.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	WinRaR.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 564	1232	62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe	28
PID 1232 wrote to memory of 564	1232	62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe	28
PID 1232 wrote to memory of 564	1232	62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe	28
PID 1232 wrote to memory of 564	1232	62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe	28
PID 564 wrote to memory of 1204	564	WinRaR.exe	29
PID 564 wrote to memory of 1204	564	WinRaR.exe	29
PID 564 wrote to memory of 1204	564	WinRaR.exe	29
PID 564 wrote to memory of 1204	564	WinRaR.exe	29

C:\Users\Admin\AppData\Local\Temp\62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe
"C:\Users\Admin\AppData\Local\Temp\62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\WinRaR.exe
  "C:\Users\Admin\AppData\Local\Temp\WinRaR.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WinRaR.exe" "WinRaR.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WinRaR.exe

Filesize
47KB

MD5
7eccfa4094002abc7757d9f5e16c2f00

SHA1
dec75375036ec76b9238a67273606d31b3f4cef6

SHA256
62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993

SHA512
cd4e30deec106c7713dc1135404c939cda0265c4a0e9c9d8c33cfd63cecb09ab56706e349f961090535dc7e9f4dd91db0fb2e536e703026a0d10f4b705e43b20

Download Submit
C:\Users\Admin\AppData\Local\Temp\WinRaR.exe

Filesize
47KB

MD5
7eccfa4094002abc7757d9f5e16c2f00

SHA1
dec75375036ec76b9238a67273606d31b3f4cef6

SHA256
62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993

SHA512
cd4e30deec106c7713dc1135404c939cda0265c4a0e9c9d8c33cfd63cecb09ab56706e349f961090535dc7e9f4dd91db0fb2e536e703026a0d10f4b705e43b20

Download Submit
\Users\Admin\AppData\Local\Temp\WinRaR.exe

Filesize
47KB

MD5
7eccfa4094002abc7757d9f5e16c2f00

SHA1
dec75375036ec76b9238a67273606d31b3f4cef6

SHA256
62da5356ebe3c7b495c6b565fe9ddf703fe9042527dc5761fbb38f2f68cf0993

SHA512
cd4e30deec106c7713dc1135404c939cda0265c4a0e9c9d8c33cfd63cecb09ab56706e349f961090535dc7e9f4dd91db0fb2e536e703026a0d10f4b705e43b20

Download Submit
memory/564-63-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download
memory/564-65-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download
memory/1232-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1232-55-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download
memory/1232-61-0x00000000744F0000-0x0000000074A9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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