88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883

Analysis

max time kernel
187s
max time network
213s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15/10/2023, 02:57

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General

Target

88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe
Size

1.2MB
MD5

5104996ff3f2030149e05f2fb8811957
SHA1

d3c11a592a26a794b61e022e7a828552517328a8
SHA256

88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883
SHA512

9d4a9d0973e61919ae12894a6bc3ff3b28c6130dd47d2ff97fab545169383f61800466e19ef6b4f9538df4f4e3ee3f6a8c1055c58126c87f0355ef46f88f3ff2
SSDEEP

24576:GHXXX/XXXFqIIIcXXX5j2XXXcXXXfXXXxXXXLIII+Ph2kkkkK4kXkkkkkkkkhLXg:G9qIIIUjfIIIAbazR0vKLXZx

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2764	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	rwmhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe

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

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	rwmhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rwmhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2724	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2764	2724	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe	30
PID 2724 wrote to memory of 2764	2724	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe	30
PID 2724 wrote to memory of 2764	2724	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe	30
PID 2724 wrote to memory of 2764	2724	88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe	30

C:\Users\Admin\AppData\Local\Temp\88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe
"C:\Users\Admin\AppData\Local\Temp\88877ad3eafe64a259a84bb5850516adfde7c06faade3d31424db08fc3abc883.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\88877A~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2764

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Windows\debug\rwmhost.exe

Filesize
1.2MB

MD5
3c178b62a8d42ca86a11bea72d3e0c0f

SHA1
93ee687dbf88181443b6b0d961b1672e09653842

SHA256
60aa4e12ae1b287c249801f1393abcb552a3b244898054f4512f8395ac6ef414

SHA512
ec43a018575f264147762979a84ce32f00f5b3225b1d17fa226ba6c751458a53359c53b1c85e1182ecc05c59465500796ec359718137bea0ab4e0c4849a104b1

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