788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de

Analysis

max time kernel
151s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 02:19

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General

Target

788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
Size

176KB
MD5

3b5e197a2875bcb66533294db4141a56
SHA1

c818ebf323af988b21b5e8771543096317dd7f94
SHA256

788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de
SHA512

b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5
SSDEEP

3072:zEkPZgwZP3sQoYuf8pgcQWKg8vD3HGxK0roILGXq26xhxLGdV6wF/9snGa45o9sF:zzP3sQFuf8pgcQWKg8vD3HGxK0roSGXh

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4500	svchost.exe
1952	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe"	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 4500 set thread context of 1952	4500	svchost.exe	84

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
4500	svchost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 1084 wrote to memory of 4844	1084	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	82
PID 4844 wrote to memory of 4500	4844	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	83
PID 4844 wrote to memory of 4500	4844	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	83
PID 4844 wrote to memory of 4500	4844	788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe	83
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84
PID 4500 wrote to memory of 1952	4500	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
"C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4500
  - - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      PID:1952

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
176KB

MD5
3b5e197a2875bcb66533294db4141a56

SHA1
c818ebf323af988b21b5e8771543096317dd7f94

SHA256
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de

SHA512
b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
176KB

MD5
3b5e197a2875bcb66533294db4141a56

SHA1
c818ebf323af988b21b5e8771543096317dd7f94

SHA256
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de

SHA512
b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
176KB

MD5
3b5e197a2875bcb66533294db4141a56

SHA1
c818ebf323af988b21b5e8771543096317dd7f94

SHA256
788d766f3022381940d71264cb235e771b3eeacdd6cccc5b541b1dfadc6023de

SHA512
b1f55efd0ff2501bfd7131df50012b1cd8ca204f2dd6cf416f2760416934181b30691ea5ce80e48f45de57423bc4a297f3a2b9e0803a5e9bae14ae141d9fb9a5

Download Submit
memory/1952-148-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1952-149-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1952-150-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4844-137-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4844-138-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4844-136-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4844-135-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads