199d082704d404044333ff2e9e86ce545827ebe866f92a8225f787da3436805b

Analysis

max time kernel
110s
max time network
93s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 09:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5c75e51ab6ae8e25a0486c7075de79f0N.exe
Size

75KB
MD5

5c75e51ab6ae8e25a0486c7075de79f0
SHA1

dc1625bdd22e050344b86e8931f4665ae3d5ec6f
SHA256

199d082704d404044333ff2e9e86ce545827ebe866f92a8225f787da3436805b
SHA512

1dc7600d6935e00197c89930f44231e67f20119f90e7b448115ad252c75a0ea96282318a666852cb4e3b13db00f532dde9b1d915bea07ca0103501ee817faa03
SSDEEP

768:OrItKyw5WHXfQmjIiIk9ecAakMb96ZyXuDLdibfffsffff2ZZZZnAAAr:Or3Z5IfQmv81abyyXcZibfffsffffT

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2956	attrib.exe

Deletes itself 1 IoCs

pid	Process
2832	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2264	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 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	5c75e51ab6ae8e25a0486c7075de79f0N.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	5c75e51ab6ae8e25a0486c7075de79f0N.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	attrib.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 4 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	5c75e51ab6ae8e25a0486c7075de79f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rwmhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2956	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	30
PID 2684 wrote to memory of 2956	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	30
PID 2684 wrote to memory of 2956	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	30
PID 2684 wrote to memory of 2956	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	30
PID 2684 wrote to memory of 2832	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	33
PID 2684 wrote to memory of 2832	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	33
PID 2684 wrote to memory of 2832	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	33
PID 2684 wrote to memory of 2832	2684	5c75e51ab6ae8e25a0486c7075de79f0N.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2956	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5c75e51ab6ae8e25a0486c7075de79f0N.exe
"C:\Users\Admin\AppData\Local\Temp\5c75e51ab6ae8e25a0486c7075de79f0N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\rwmhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5C75E5~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2832

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\debug\rwmhost.exe

Filesize
75KB

MD5
7454c1ae5dd7a7ca30ee235ed37865fb

SHA1
7c5fb1922c96e0b4585168b2b206b66358ead1f1

SHA256
9d3f093909498e16ac9066312231e1345213d738d4f67d2f291504b010941d4b

SHA512
84d0b34f10221ee4acc698101645b2bce7e669271cd752ab796d9752c0be7b07035308d2b3e780e6b52a5bad1fc6bfba27503b8d378a6039fe0f552fc24355d6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads