5015af8fb5725c4c9ebac28a890128587b888acddab6cc9ff06e94e782713882

Analysis

max time kernel
301s
max time network
173s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:39

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General

Target

upd.exe
Size

158KB
MD5

601c1dcbafd1df3cd8030c823a289f46
SHA1

cd8aa5088e563024bde4275cccb4e2b25c23dda9
SHA256

f760c187e989dab567b1696aeffdbfd558577e54fbd63039e3f925eb4f2cbdd1
SHA512

e0a92c3ef9d805e8f319ed0c8b8511e46b784018a6386949ee646ca926402bf4cef91fdb8c9d2faeef16c3a0e3a43e4b9ad7563c7b1a425794e707b9950fbd4b
SSDEEP

3072:uZtS9vOgslhX1BUKEAQvlLf+05ojihuwFWvo/z0:uZcJOvU8ribFWwb

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\vasja = "C:\\Users\\Admin\\AppData\\Local\\Temp\\upd.exe"	upd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 2244	3056	upd.exe	30

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	upd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	upd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main	upd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe
2244	upd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	upd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2244	upd.exe
2244	upd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2244	3056	upd.exe	30
PID 3056 wrote to memory of 2244	3056	upd.exe	30
PID 3056 wrote to memory of 2244	3056	upd.exe	30
PID 3056 wrote to memory of 2244	3056	upd.exe	30
PID 3056 wrote to memory of 2244	3056	upd.exe	30
PID 3056 wrote to memory of 2244	3056	upd.exe	30

C:\Users\Admin\AppData\Local\Temp\upd.exe
"C:\Users\Admin\AppData\Local\Temp\upd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\upd.exe
  "C:\Users\Admin\AppData\Local\Temp\upd.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2244

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2244-2-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2244-9-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2244-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2244-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2244-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2244-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3056-0-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3056-1-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3056-8-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download