9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70

Analysis

max time kernel
151s
max time network
146s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
29/09/2023, 19:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe
Size

198KB
MD5

17075be28f4f285b3f3c153124b98da1
SHA1

6ba417fd5b5ef2f3bdda5049af7a754315aa17dc
SHA256

9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70
SHA512

f2ecc5d5dc94d96a5f36762b00befda4e257c2b1ad34b7367cad26d95e216a52699fa9efee35d0eb141746fffd2c4e0cc7f753dbb4e66017b01924efcd7fb387
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOo:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX5

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2684	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	rwmhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.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	2572	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2684	2572	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe	29
PID 2572 wrote to memory of 2684	2572	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe	29
PID 2572 wrote to memory of 2684	2572	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe	29
PID 2572 wrote to memory of 2684	2572	9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe	29

C:\Users\Admin\AppData\Local\Temp\9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe
"C:\Users\Admin\AppData\Local\Temp\9831c1515ba121c15c59d6eecdcd32f3fc49bb5fe1e18d89f18cc1c985164b70.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9831C1~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2684

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2688

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

Loading Replay Monitor...

Downloads

C:\Windows\debug\rwmhost.exe

Filesize
198KB

MD5
bb1513aff284517b0d6109c5c5009fda

SHA1
c9ded57775392d5282a8f7a54ca3ad8c6078940d

SHA256
8c68cc5e6f98f12e524a5a0fcb682dacaf955f390ead1973ca15598e595b78b5

SHA512
a914b024a156c5c2b737d3f57d61c20a6e6b951ce99a7a8fba9e7dba794a06580d18b6805ed80f82c342db0bffca38b937e4c41ecad4fc94540e90f52c9e581c

Download Submit