Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
03/06/2024, 02:00
Behavioral task
behavioral1
Sample
9032963d4238d2e00a795579141d263a_JaffaCakes118.exe
Resource
win7-20240220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
9032963d4238d2e00a795579141d263a_JaffaCakes118.exe
Resource
win10v2004-20240508-en
11 signatures
150 seconds
General
- Target 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe
- Size 43KB
- Sample240603-ce8dzsfc91
- SHA256 a04628d5c6c97eec5c31aa85706b40e171038c118f27fedf7aa093bad43cc363
- MD5 9032963d4238d2e00a795579141d263a
- SHA1 0039ef6abbed0f187c88512a192e97ea83e572d6
- SHA512 ee4070a029e75ceb5c5ae942808726ed7cb04051085537ce33b4265b00dfca2a1c9093022324270aea8df4400615158cc150b83e6d91e0a787aaa03355fd6157
- SSDEEP 384:2ZyxzE1STss7yKSDzGS+qE1rpS2dzsIij+ZsNO3PlpJKkkjh/TzF7pWnO/greT0k:suok4smKSPGhrrkYuXQ/oP3+L
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
njrat
Version
-
Njrat 0.7 Golden By Hassan Amiri
Botnet
-
HacKed
C2
-
0.tcp.ngrok.io:16424
Mutex
-
Windows Update
Attributes
-
reg_key
Windows Update
-
splitter
|Hassan|
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe Dllhost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe Dllhost.exe - Executes dropped EXE 4 IoCs
pid Process 1580 Dllhost.exe 4792 Server.exe 5096 Server.exe 3252 Server.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .." Dllhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .." Dllhost.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 103 0.tcp.ngrok.io 21 0.tcp.ngrok.io 80 0.tcp.ngrok.io - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5104 schtasks.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1644 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe 1580 Dllhost.exe - Suspicious use of AdjustPrivilegeToken 31 IoCs
description pid Process Token: SeDebugPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe Token: 33 1580 Dllhost.exe Token: SeIncBasePriorityPrivilege 1580 Dllhost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1644 wrote to memory of 1580 1644 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe 92 PID 1644 wrote to memory of 1580 1644 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe 92 PID 1644 wrote to memory of 1580 1644 9032963d4238d2e00a795579141d263a_JaffaCakes118.exe 92 PID 1580 wrote to memory of 5104 1580 Dllhost.exe 96 PID 1580 wrote to memory of 5104 1580 Dllhost.exe 96 PID 1580 wrote to memory of 5104 1580 Dllhost.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\9032963d4238d2e00a795579141d263a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9032963d4238d2e00a795579141d263a_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Users\Admin\AppData\Roaming\Dllhost.exe"C:\Users\Admin\AppData\Roaming\Dllhost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe3⤵
- Creates scheduled task(s)
PID:5104
-
-
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
PID:4792
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
PID:5096
-
C:\Users\Admin\AppData\Local\Temp\Server.exeC:\Users\Admin\AppData\Local\Temp/Server.exe1⤵
- Executes dropped EXE
PID:3252
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
- Size 507B
- SHA256 650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5
- MD5 25d1b50e7c0d451f3d850eb54d27ca05
- SHA1 a238807715c70a335f54e80d4855644b21a9e870
- SHA512 4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Dllhost.exe
- Size 43KB
- SHA256 a04628d5c6c97eec5c31aa85706b40e171038c118f27fedf7aa093bad43cc363
- MD5 9032963d4238d2e00a795579141d263a
- SHA1 0039ef6abbed0f187c88512a192e97ea83e572d6
- SHA512 ee4070a029e75ceb5c5ae942808726ed7cb04051085537ce33b4265b00dfca2a1c9093022324270aea8df4400615158cc150b83e6d91e0a787aaa03355fd6157
- SSDEEP 384:2ZyxzE1STss7yKSDzGS+qE1rpS2dzsIij+ZsNO3PlpJKkkjh/TzF7pWnO/greT0k:suok4smKSPGhrrkYuXQ/oP3+L
- MD5 SHA1 SHA512 SSDEEP