9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0

General

Target

9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe
Size

104KB
MD5

73d3ad56e00955ccee8472871aaa4d2a
SHA1

a72fcd6e3024b8e2e950e8fd8b73ca4c1d639830
SHA256

9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0
SHA512

378a2164f35a914cf47bbbd9a675f195fc75b6e52a195309ec064687e351e9abe846d95817b1d8a15aa3058892890448188ca243ac459bcff9bc6449c12f45c3
SSDEEP

1536:GZlzv6RBwgKMOhJYdsXDjTHfjL6IcPIz7YfnoG8bHlfnToIfQIOlIO5oXUl:GZNidKMOhOuTjTqQzs/dgBTBfGv6XUl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
840	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe
1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe

Adds Run key to start application 2 TTPs 1 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\WindowsServicesStartup = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe 1"	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe

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

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1296	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe
Token: SeDebugPrivilege	840	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1296	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	27
PID 1740 wrote to memory of 1296	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	27
PID 1740 wrote to memory of 1296	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	27
PID 1740 wrote to memory of 1296	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	27
PID 1740 wrote to memory of 840	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	28
PID 1740 wrote to memory of 840	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	28
PID 1740 wrote to memory of 840	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	28
PID 1740 wrote to memory of 840	1740	9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe	28

C:\Users\Admin\AppData\Local\Temp\9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe
"C:\Users\Admin\AppData\Local\Temp\9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Log.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1296
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe 1
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\Log.txt

Filesize
140B

MD5
b299d7d4bc89047ae96952d53564c6ef

SHA1
1bbad0936e4ed9d75079168e477ee151e6740369

SHA256
1adf2c4ef70c2b82fda926bc07edc2ca5d13e78f3e45ba7bce831c67a5f8b7fa

SHA512
bc6fd20813f1fc8cf7433c978f8dfb82dcda00708983b6c7b6f9b6c8f6c7ac86b665aaba6ea422a006a8e3cf8f08b2d976227cd9bb547a3268c4ba442e005474

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

Filesize
104KB

MD5
73d3ad56e00955ccee8472871aaa4d2a

SHA1
a72fcd6e3024b8e2e950e8fd8b73ca4c1d639830

SHA256
9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0

SHA512
378a2164f35a914cf47bbbd9a675f195fc75b6e52a195309ec064687e351e9abe846d95817b1d8a15aa3058892890448188ca243ac459bcff9bc6449c12f45c3

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

Filesize
104KB

MD5
73d3ad56e00955ccee8472871aaa4d2a

SHA1
a72fcd6e3024b8e2e950e8fd8b73ca4c1d639830

SHA256
9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0

SHA512
378a2164f35a914cf47bbbd9a675f195fc75b6e52a195309ec064687e351e9abe846d95817b1d8a15aa3058892890448188ca243ac459bcff9bc6449c12f45c3

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

Filesize
104KB

MD5
73d3ad56e00955ccee8472871aaa4d2a

SHA1
a72fcd6e3024b8e2e950e8fd8b73ca4c1d639830

SHA256
9e4bafac893b7753d6b9c5a49d6e3bf2d09e8336d6f613cc4385d5283de013d0

SHA512
378a2164f35a914cf47bbbd9a675f195fc75b6e52a195309ec064687e351e9abe846d95817b1d8a15aa3058892890448188ca243ac459bcff9bc6449c12f45c3

Download Submit
memory/840-62-0x0000000000405000-0x0000000000407000-memory.dmp

Filesize
8KB

Download
memory/840-63-0x0000000000405000-0x0000000000407000-memory.dmp

Filesize
8KB

Download
memory/1740-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download

Analysis

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