cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 01:52

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General

Target

cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe
Size

66KB
MD5

3c63277089fd6c6a3a98de9b524aeae1
SHA1

c1401ed37a281b76e6b568db99b021bef1b215e3
SHA256

cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21
SHA512

3073d7ad52c758d493ceba9d81731e9ad762b8512c1ae69aea83be65765313692d6931cd2ef336ec41fa79493e5c2cc4ff144b660d51f07106c4b72bda64ea49
SSDEEP

1536:2LFbQafrACEVLUQ/HItWt68/gQGSdsPoooozEEEEEk:Af8CE/HIM68/gtSsLX

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1164	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
796	rwmhost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rwmhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

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	2524	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 1164	2524	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe	32
PID 2524 wrote to memory of 1164	2524	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe	32
PID 2524 wrote to memory of 1164	2524	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe	32
PID 2524 wrote to memory of 1164	2524	cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe	32

C:\Users\Admin\AppData\Local\Temp\cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe
"C:\Users\Admin\AppData\Local\Temp\cc281f4d7259ee2ef590d1ca21e386f44ff52021b307dff6ec20ad9b6e623d21.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CC281F~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1164

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\rwmhost.exe

Filesize
66KB

MD5
7c47ba5fd38f504e6dad5c3d5c3e23cb

SHA1
05c47a5d3b489a6c9c630b46adcaa224adf888c1

SHA256
58083c73e147acae6b23dc6beea90170cd55d60a572799c6a9fd4e3818eee930

SHA512
79a73d2a5647bde9f926b95eb30470ca2d38af548f18c34aef3e5dab3f30db7dcf3f92913e30a9d2a17f6f5de7ef0072293565e1d73f48cf69efb897fa1a0f24

Download Submit
memory/2524-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

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