imminent | b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352

Analysis

max time kernel
181s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 18:55

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General

Target

b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
Size

544KB
MD5

ac9adcf9c0f19476f9debb0ff48676db
SHA1

8be077d769a213eeba527f829de9884258e8e7a8
SHA256

b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352
SHA512

20fd17180e1952172dae9199cbb4e5d9bca615fdbba4eb3a0c5d1689bcabe3818fefc5dabb4173d8c2a2cd45bca450d293b48bf882bca0290a5da4763ccb09ba
SSDEEP

12288:Wsb2/8SzNR/PaeuON0bV6poji92FtcHqiijKdiZ:Wf/FzHEON0h0T92FyKiijsg

Score

10^/10

imminent persistence spyware trojan

Malware Config

Signatures

Imminent RAT
Remote-access trojan based on Imminent Monitor remote admin software.
trojan spyware imminent

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ss4OLI2HaHPG7pGn\\u2GIuRisDxvy.exe\",explorer.exe"	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
File created	C:\Windows\assembly\Desktop.ini	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2316	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
Token: SeDebugPrivilege	2316	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2316	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82
PID 2408 wrote to memory of 2316	2408	b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe	82

C:\Users\Admin\AppData\Local\Temp\b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
"C:\Users\Admin\AppData\Local\Temp\b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe
  "C:\Users\Admin\AppData\Local\Temp\b6084a3b20fbfb3671efb11ecc1925a77642817fa1febdaad4ab40249ff65352.exe"
  2⤵
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2316-134-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2316-135-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/2316-137-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/2408-132-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/2408-136-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download