5028e6abfdb57bc2b3086a0e0b8f4d5b9dd8204498ad1c6ef53ed908769d38d1

Analysis

max time kernel
103s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 17:34

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General

Target

d375388acc56c3fb5a358a7fd8642eb0N.exe
Size

3.6MB
MD5

d375388acc56c3fb5a358a7fd8642eb0
SHA1

2df62fd26c2ba80934f1e27ba01ffef472df79db
SHA256

5028e6abfdb57bc2b3086a0e0b8f4d5b9dd8204498ad1c6ef53ed908769d38d1
SHA512

e2dc09203426a3b3d079417d6c9ea4bdc29fd982f6ed7e9eedb68828342ffb8568ba0d5f5162c8ad33681cc5d00febe0302119f8d4ed2f683ceb7a3b419b03b8
SSDEEP

98304:9Ix6/A08XvhXKqqHclM+X+8dNW1dE82EyPA+oLn:9AaALvh6qGc3XBdKE82w

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\PhotoStageInstall = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d375388acc56c3fb5a358a7fd8642eb0N.exe"	nchsetup.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	nchsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
1768	d375388acc56c3fb5a358a7fd8642eb0N.exe
1768	d375388acc56c3fb5a358a7fd8642eb0N.exe
1768	d375388acc56c3fb5a358a7fd8642eb0N.exe
1768	d375388acc56c3fb5a358a7fd8642eb0N.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 2 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	d375388acc56c3fb5a358a7fd8642eb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nchsetup.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2184	nchsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30
PID 1768 wrote to memory of 2184	1768	d375388acc56c3fb5a358a7fd8642eb0N.exe	30

C:\Users\Admin\AppData\Local\Temp\d375388acc56c3fb5a358a7fd8642eb0N.exe
"C:\Users\Admin\AppData\Local\Temp\d375388acc56c3fb5a358a7fd8642eb0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe" -installer "C:\Users\Admin\AppData\Local\Temp\d375388acc56c3fb5a358a7fd8642eb0N.exe" -instdata "C:\Users\Admin\AppData\Local\Temp\n1s\nchdata.dat"
  2⤵
  - Adds Run key to start application
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\n1s\nchsetup.exe

Filesize
8.8MB

MD5
50b0df9b3860356ee2e86337bf730510

SHA1
b7670b943a6da271587492610653f83e942ab405

SHA256
c3a5306282f2129d03c6e6027663986c2b92251abdfc6486eb4d29aef3d8f3cc

SHA512
29cf8b55540f20aa583558cab05622e7372d6e3c8cf4f476bb82f969c23926342874911b87f2e11dd45fccdcdaf2c1c844110561eda7468185a60b8500437267

Download Submit
memory/2184-22-0x00000000002C0000-0x0000000000C10000-memory.dmp

Filesize
9.3MB

Download
memory/2184-23-0x00000000002C0000-0x0000000000C10000-memory.dmp

Filesize
9.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads