8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:47

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General

Target

8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe
Size

253KB
MD5

ba3cdc8e7b55da3e792617d6d43b0dda
SHA1

b5cefad46eb04e5388e5cfb78e382a59f8846a9b
SHA256

8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1
SHA512

c93fd29676cecc456cbd155ea1969fcc96dd256ace9667903e0756b1133b1bb9dc36cfe2feb668aa27fe4691b5904ed39e0eff574e26af7d3c99d3033c9b8d79
SSDEEP

3072:/ySycOlyR/IQMPRgq71ppM48XLuCHWH/k1nLBnAfuna471ppM48XS2t:auIQMPx/bwuC2HgBAfuna4x/bH2

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

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

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

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

Processes:

dw20.exe

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

Processes:

dw20.exe

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 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	2312	dw20.exe
Token: SeBackupPrivilege	2312	dw20.exe
Token: SeBackupPrivilege	2312	dw20.exe
Token: SeBackupPrivilege	2312	dw20.exe
Token: SeBackupPrivilege	2312	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe

description	pid	process	target process
PID 5036 wrote to memory of 2312	5036	8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe	dw20.exe
PID 5036 wrote to memory of 2312	5036	8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe	dw20.exe
PID 5036 wrote to memory of 2312	5036	8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe
"C:\Users\Admin\AppData\Local\Temp\8256e475a59557155e35c036a4d1cb43537ac1e33a7752fae7b3e812787c93c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1484
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2312

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

Replay Monitor

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Downloads

memory/2312-133-0x0000000000000000-mapping.dmp

Download
memory/5036-132-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/5036-134-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download