a2d3d6430f6775951cf988d960cfae4093d7a1e4d0f684ddfffaf4599ace9a71

Resubmissions

11-11-2024 03:14

241111-dreswavmgp 10

Analysis

max time kernel
113s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 03:14

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General

Target

$1/1337/joinResult.exe
Size

1.8MB
MD5

79022fbafee9fe740a5230f87bd33171
SHA1

42bf0f7bf41009fd0009535a8b1162cbe60dce6f
SHA256

640c30cfa519be11c02c4e51bf18979a93266887cc9ef19076b3d0f1f20528b6
SHA512

48e0d4a18d99dce4398de73895a157e13293115b52ee5158f9ea6fc73c4d5f4133e1cebba14ff5482b8c4f7dfeebfe3b003df1caf351314f1cc16944818df4b3
SSDEEP

24576:l/Fc5T6rz9SjcS4c4da17v6JS42ybaU7cryOZO4Y8qoDUsNr+k+:l9L9bS944lv6JS4AU78O4yo4sNrg

Score

10^/10

discovery persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\WinService.exe"	Clipper.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\WinService.exe"	Clipper.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	joinResult.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Clipper.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	1111.exe

Executes dropped EXE 5 IoCs

pid	Process
3504	1111.exe
1732	Clipper.exe
1432	WinService.exe
3632	WinService.exe
5008	WinService.exe

Loads dropped DLL 1 IoCs

pid	Process
3136	joinResult.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3504	1111.exe
3504	1111.exe
3504	1111.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	joinResult.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1111.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4308	cmd.exe
3728	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3728	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3504	1111.exe
3504	1111.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	Clipper.exe
Token: SeDebugPrivilege	1432	WinService.exe
Token: SeDebugPrivilege	3632	WinService.exe
Token: SeDebugPrivilege	5008	WinService.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3504	1111.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 3504	3136	joinResult.exe	86
PID 3136 wrote to memory of 3504	3136	joinResult.exe	86
PID 3136 wrote to memory of 3504	3136	joinResult.exe	86
PID 3136 wrote to memory of 1732	3136	joinResult.exe	87
PID 3136 wrote to memory of 1732	3136	joinResult.exe	87
PID 1732 wrote to memory of 5008	1732	Clipper.exe	89
PID 1732 wrote to memory of 5008	1732	Clipper.exe	89
PID 1732 wrote to memory of 1432	1732	Clipper.exe	91
PID 1732 wrote to memory of 1432	1732	Clipper.exe	91
PID 3504 wrote to memory of 4308	3504	1111.exe	102
PID 3504 wrote to memory of 4308	3504	1111.exe	102
PID 3504 wrote to memory of 4308	3504	1111.exe	102
PID 4308 wrote to memory of 3728	4308	cmd.exe	104
PID 4308 wrote to memory of 3728	4308	cmd.exe	104
PID 4308 wrote to memory of 3728	4308	cmd.exe	104

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\$1\1337\joinResult.exe
"C:\Users\Admin\AppData\Local\Temp\$1\1337\joinResult.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Users\Admin\AppData\Roaming\1337\1111.exe
  "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3504
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /C ping 1.1.1.1 -n 3 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4308
  - - C:\Windows\SysWOW64\PING.EXE
      ping 1.1.1.1 -n 3 -w 3000
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3728
- C:\Users\Admin\AppData\Roaming\1337\Clipper.exe
  "C:\Users\Admin\AppData\Roaming\1337\Clipper.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Service" /tr "C:\Users\Admin\WinService.exe" /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5008
- - C:\Users\Admin\WinService.exe
    "C:\Users\Admin\WinService.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1432

C:\Users\Admin\WinService.exe
C:\Users\Admin\WinService.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3632

C:\Users\Admin\WinService.exe
C:\Users\Admin\WinService.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsn8D6D.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
C:\Users\Admin\AppData\Roaming\1337\1111.exe

Filesize
1.4MB

MD5
32373185ece79936dfd0fd41d2848a2e

SHA1
591f92bcaeeea85e8bba6988ef0d1afcea35fbbd

SHA256
5390fc20629a4a350dc8f0482472f9962f50364b7818b2d510beb4e520581ad4

SHA512
443b8df46dd6009285500148d2c4e0654e20e24b897fb29a9eded1cb21da6c495feaa1df81043ed4818f6ea511813c926e9f645b3ec4c8ab5c2c79f0fb5859dc

Download Submit
C:\Users\Admin\AppData\Roaming\1337\Clipper.exe

Filesize
18KB

MD5
c7e43ab36c3da3371fc915de9dc5106f

SHA1
f1bb12ae485853c1a28a8306604ef3eb3939068d

SHA256
4ff04b9be72efe982594832d51681c08334f4d8512c3560c646c21f88fd5e532

SHA512
383a02a7a338ca66077f5d577ae7f63f95cf1b711f1338e9dd11867a62d6dc298e0fd01878adc273669f5f1e8cffb0aa4ea3efa75ffb870616a0d3fef3cb454e

Download Submit
memory/1732-28-0x00007FFD67293000-0x00007FFD67295000-memory.dmp

Filesize
8KB

Download
memory/1732-27-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/3504-20-0x0000000000CA0000-0x0000000001099000-memory.dmp

Filesize
4.0MB

Download
memory/3504-96-0x0000000000CA0000-0x0000000001099000-memory.dmp

Filesize
4.0MB

Download
memory/3504-97-0x0000000000CA0000-0x0000000001099000-memory.dmp

Filesize
4.0MB

Download
memory/3504-98-0x0000000000CA0000-0x0000000001099000-memory.dmp

Filesize
4.0MB

Download
memory/3504-99-0x0000000000CA0000-0x0000000001099000-memory.dmp

Filesize
4.0MB

Download