ec57a5693533b024615c157ec0e3867b2eb73a65a12c20501ef8ff00ffd8f65c

Analysis

max time kernel
148s
max time network
139s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:13

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General

Target

7b9f7b540f1d1f808cab1b3a24e97d84.exe
Size

1.4MB
MD5

7b9f7b540f1d1f808cab1b3a24e97d84
SHA1

e072620b10afc026e5ccd13f417df2014c60175b
SHA256

55de2e0c15aeebc7aa585f44ae2010a38eb865d8654ce9bc6b2d6d1e3a004f95
SHA512

550034a3f77be490ae5e5c4827b4d101f98fb70795d02fe4209b74210950bf4c2ad0597fb280f64bba591f928bb2f0231038f40bb9737e0638fdd1b21bab2159
SSDEEP

24576:48dvIOVmW6AbPsArkueRKmV3sNlHfiqJ7NJn:4owONbkBuyKmBs7V

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	7b9f7b540f1d1f808cab1b3a24e97d84.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	7b9f7b540f1d1f808cab1b3a24e97d84.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	7b9f7b540f1d1f808cab1b3a24e97d84.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	7b9f7b540f1d1f808cab1b3a24e97d84.exe

Executes dropped EXE 2 IoCs

pid	Process
2604	app.exe
1840	app.exe

Loads dropped DLL 1 IoCs

pid	Process
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\app.exe"	7b9f7b540f1d1f808cab1b3a24e97d84.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 1840	2604	app.exe	30

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	7b9f7b540f1d1f808cab1b3a24e97d84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
2604	app.exe
2604	app.exe
2604	app.exe
2604	app.exe
2604	app.exe
2604	app.exe
2604	app.exe
2604	app.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe
Token: SeDebugPrivilege	2604	app.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	app.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2604	2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe	29
PID 2284 wrote to memory of 2604	2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe	29
PID 2284 wrote to memory of 2604	2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe	29
PID 2284 wrote to memory of 2604	2284	7b9f7b540f1d1f808cab1b3a24e97d84.exe	29
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30
PID 2604 wrote to memory of 1840	2604	app.exe	30

C:\Users\Admin\AppData\Local\Temp\7b9f7b540f1d1f808cab1b3a24e97d84.exe
"C:\Users\Admin\AppData\Local\Temp\7b9f7b540f1d1f808cab1b3a24e97d84.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1840

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB06B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe

Filesize
1.4MB

MD5
ccc62f532b1f0c4ba6d55e2e90da1256

SHA1
83320139a0f4d014c3ae014de38eac4c22179d5f

SHA256
ac65504fbc24cfe59e1a8d0799e70c166c09f4e203093d059dd5bc05a2ba30de

SHA512
90ffab62fa222890e0a4869e1ce2d2d73859937d4733ec3c48fb0cdd5b8874a7867b0dc40d573a563d9128b90df34bcbe7c37a5f23f2fe9ea9f78841f0e07458

Download Submit
memory/1840-64-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-50-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-54-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-55-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-57-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1840-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-52-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1840-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2284-13-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-12-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-32-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-10-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-11-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-14-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2284-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

Filesize
4KB

Download
memory/2604-65-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-34-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-33-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-48-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-47-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-46-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download