499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d

Analysis

max time kernel
142s
max time network
148s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 12:02

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General

Target

499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
Size

198KB
MD5

2c8e1985e6d94736175ad40b99b5c834
SHA1

ae275f822db435ade867d25c60a8edbdf0065c05
SHA256

499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d
SHA512

85a6de7fd3f0804541cfe1a8024c7cf1a6ab3647c2502ad253490ce8e2f5df07a06745a1f877ee3f7b8c92754c8f8fcc360a86b53deaa64b3e88f506073d69aa
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOs:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXp

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2612	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	rwmhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.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	1020	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 2612	1020	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	29
PID 1020 wrote to memory of 2612	1020	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	29
PID 1020 wrote to memory of 2612	1020	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	29
PID 1020 wrote to memory of 2612	1020	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	29

C:\Users\Admin\AppData\Local\Temp\499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
"C:\Users\Admin\AppData\Local\Temp\499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\499573~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2612

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2584

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
198KB

MD5
0160f403f0ad19041194362a00287ef6

SHA1
55fb71a255ff9027fba099334947ba602680eb86

SHA256
56ba1d1974b05876af4fb00a1ac64b95c2fc2b0d50be4b0b4d1ffe82dab0ec37

SHA512
7ac05190666faf76177af23274051c6a95c16de408414327e08efd172b5ca2d45fa5aeb2bcee4322d2becb638e06fcdcb42766371df00062e03a4142b253e035

Download Submit
C:\Windows\debug\rwmhost.exe

Filesize
198KB

MD5
0160f403f0ad19041194362a00287ef6

SHA1
55fb71a255ff9027fba099334947ba602680eb86

SHA256
56ba1d1974b05876af4fb00a1ac64b95c2fc2b0d50be4b0b4d1ffe82dab0ec37

SHA512
7ac05190666faf76177af23274051c6a95c16de408414327e08efd172b5ca2d45fa5aeb2bcee4322d2becb638e06fcdcb42766371df00062e03a4142b253e035

Download Submit