35916e8b40ec27b8f3a931566a94f5a464dc9e5783c7fca1bdd194e7193bf0d7

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:17

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General

Target

d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
Size

1.4MB
MD5

c996e9cc8b8f268c29e9be1d41152822
SHA1

66583f2df41a12f3bb4301137165fbcc64a57552
SHA256

d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf
SHA512

a94e1ab92b246fdfb79ad6deb780895a4d16ec593073905641ebe098002814e9310531c012c1b4615b5e44cef06d087f267a6479420f549c9b020023af3b5f1e
SSDEEP

24576:a8dvIOVmW6AbPsArkueRKmV3sNlHfiqJy:aowONbkBuyKmBs74

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	app.exe
1748	app.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\app.exe"	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 1748	2668	app.exe	32

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	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.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
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
2668	app.exe
2668	app.exe
2668	app.exe
2668	app.exe
2668	app.exe
2668	app.exe
2668	app.exe
2668	app.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
Token: SeDebugPrivilege	2668	app.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	app.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2668	1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe	31
PID 1768 wrote to memory of 2668	1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe	31
PID 1768 wrote to memory of 2668	1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe	31
PID 1768 wrote to memory of 2668	1768	d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe	31
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1748	2668	app.exe	32
PID 2668 wrote to memory of 1756	2668	app.exe	33
PID 2668 wrote to memory of 1756	2668	app.exe	33
PID 2668 wrote to memory of 1756	2668	app.exe	33
PID 2668 wrote to memory of 1756	2668	app.exe	33

C:\Users\Admin\AppData\Local\Temp\d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.exe
"C:\Users\Admin\AppData\Local\Temp\d5b9cbc990cc88135ff80a41945ea3c940b8726e286812fbf402dbf5f2f66bbf.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:1768
- 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:2668
- - 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:1748
- - 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⤵
    PID:1756

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\Cab37E2.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
ab16a63803b049247c1c15601adca93e

SHA1
b3f054c41e498a4e3487753f66109c0d1625559e

SHA256
d9ea9d4f71ae85cb19aefa3f8ba1ee05efdcdcbe78e8e83dd981e146d05f1829

SHA512
b34386f7ac536ced6be61845827a3a1fe8f06dd4ca57611d2d1049d5b6a112f85b32352e647ef992c795c0a7dc86eba6ac55997f35d7cf5f41c7f93b5d97f78a

Download Submit
memory/1748-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1748-47-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-60-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-51-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-49-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1748-53-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-12-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-29-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-0-0x0000000074BC1000-0x0000000074BC2000-memory.dmp

Filesize
4KB

Download
memory/1768-11-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-10-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-2-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-1-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-43-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-45-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-44-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-31-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download
memory/2668-63-0x0000000074BC0000-0x000000007516B000-memory.dmp

Filesize
5.7MB

Download