b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

Analysis

max time kernel
152s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 22:40

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General

Target

b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe
Size

276KB
MD5

d4d1ef3438416b383eb52de196980936
SHA1

a264c7ec3434c08ac0380dc27f3f766867c6ba0e
SHA256

b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565
SHA512

9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714
SSDEEP

3072:9AzyaPGxAufmotkVzqx227rqI3kv6qr2cS4Vb9uFFFFFFFFFFFFFFFFFFFFMBtRE:9A+KBuop2XPqr44Vb9zrRWT

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1112	h721.exe
668	h721.exe
1856	csrss.exe

Loads dropped DLL 4 IoCs

pid	Process
1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe
1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe
1112	h721.exe
1112	h721.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\h721 = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftServices\\MicrosoftServices\\h721.exe"	h721.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\h721 = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftServices\\MicrosoftServices\\h721.exe"	h721.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\h721 = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftServices\\MicrosoftServices\\h721.exe"	csrss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\h721 = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftServices\\MicrosoftServices\\h721.exe"	csrss.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 668	1112	h721.exe	29

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	h721.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	h721.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1112	h721.exe
668	h721.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe
1856	csrss.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	h721.exe
Token: SeDebugPrivilege	1112	h721.exe
Token: SeDebugPrivilege	668	h721.exe
Token: SeDebugPrivilege	1856	csrss.exe
Token: SeDebugPrivilege	1856	csrss.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1112	1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe	28
PID 1200 wrote to memory of 1112	1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe	28
PID 1200 wrote to memory of 1112	1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe	28
PID 1200 wrote to memory of 1112	1200	b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe	28
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 668	1112	h721.exe	29
PID 1112 wrote to memory of 1856	1112	h721.exe	30
PID 1112 wrote to memory of 1856	1112	h721.exe	30
PID 1112 wrote to memory of 1856	1112	h721.exe	30
PID 1112 wrote to memory of 1856	1112	h721.exe	30

C:\Users\Admin\AppData\Local\Temp\b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe
"C:\Users\Admin\AppData\Local\Temp\b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe
  "C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe
    "C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe"
    3⤵
    - Executes dropped EXE
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:668
- - C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe
    "C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe" -reg C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe -proc 668 C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\csrss.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftServices\MicrosoftServices\h721.exe

Filesize
276KB

MD5
d4d1ef3438416b383eb52de196980936

SHA1
a264c7ec3434c08ac0380dc27f3f766867c6ba0e

SHA256
b01aba1da74e1749fd44ed90bb1cba201ee58dd5963409b36db0b0fbcda0b565

SHA512
9100ec5e0a6172b961c62707d41ece7dec071bd569803d3770466c3f633294ea72d5bc833aac69a7eff8efc29c2441cc1ddae0143958dac0a411b1acfd0cb714

Download Submit
memory/668-73-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-64-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-68-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-69-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-67-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-65-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-79-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/668-75-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/668-77-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1112-78-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1112-63-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1112-87-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1200-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1200-62-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1200-55-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-86-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-88-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download