2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e

Analysis

max time kernel
103s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 22:40

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General

Target

2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe
Size

762KB
MD5

c2156c220091db84631f7376395315fb
SHA1

c311db5e88e7f07ba9f5c6a44fa6b9934f102b7f
SHA256

2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e
SHA512

a655bd86f001e3cc20641011ed60105ae67a888b2059e2ecdb8051c07a4495145c1b1c017c29af4f0fa8a150a397b2f49e23fe9ca45de1df4117e1b272e8206c
SSDEEP

12288:kdMem/e2IIQsj/rptXQPaNjPmaJAGVvBuHyIp8ze+uLF/3T1og:uFm2QQkt4aNjnAGm71x

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1000 set thread context of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

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 3 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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe
Token: SeRestorePrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe
Token: SeBackupPrivilege	2180	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 1000 wrote to memory of 4924	1000	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	80
PID 4924 wrote to memory of 2180	4924	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	81
PID 4924 wrote to memory of 2180	4924	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	81
PID 4924 wrote to memory of 2180	4924	2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe	81

C:\Users\Admin\AppData\Local\Temp\2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe
"C:\Users\Admin\AppData\Local\Temp\2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe
  "C:\Users\Admin\AppData\Local\Temp\2038807a783109bfc68bd91d37a18930f2a6b7db1c9fbc84f45c9579c57c252e.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 976
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1000-132-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1000-137-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/4924-135-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/4924-138-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads