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Analysis
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max time kernel
187s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
12/10/2022, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe
Resource
win10v2004-20220812-en
General
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Target
07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe
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Size
151KB
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MD5
699a4124f54535d6846e4b68b1396520
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SHA1
f4da9f0dea2b03485777fa99e72046e8e7e745a3
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SHA256
07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa
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SHA512
e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267
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SSDEEP
3072:Y4/Hmc5MCcHGpVSkt+DqE7VIp/afUcCXKiDOHsacb3pjGmFYflwKb8c:YcNL5+CxacuMacrpjGmFYNwS
Malware Config
Extracted
njrat
0.7d
jgj
kakam50.no-ip.biz:5552
5ef1dd4d005ba321ffd356a3a05a85b2
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reg_key
5ef1dd4d005ba321ffd356a3a05a85b2
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1692 test.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1932 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5ef1dd4d005ba321ffd356a3a05a85b2.exe test.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5ef1dd4d005ba321ffd356a3a05a85b2.exe test.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\5ef1dd4d005ba321ffd356a3a05a85b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\test.exe\" .." test.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ef1dd4d005ba321ffd356a3a05a85b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\test.exe\" .." test.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeDebugPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe Token: 33 1692 test.exe Token: SeIncBasePriorityPrivilege 1692 test.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1692 1376 07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe 27 PID 1376 wrote to memory of 1692 1376 07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe 27 PID 1376 wrote to memory of 1692 1376 07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe 27 PID 1692 wrote to memory of 1932 1692 test.exe 28 PID 1692 wrote to memory of 1932 1692 test.exe 28 PID 1692 wrote to memory of 1932 1692 test.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe"C:\Users\Admin\AppData\Local\Temp\07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\test.exe" "test.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1932
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
151KB
MD5699a4124f54535d6846e4b68b1396520
SHA1f4da9f0dea2b03485777fa99e72046e8e7e745a3
SHA25607eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa
SHA512e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267
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Filesize
151KB
MD5699a4124f54535d6846e4b68b1396520
SHA1f4da9f0dea2b03485777fa99e72046e8e7e745a3
SHA25607eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa
SHA512e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267