Analysis
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max time kernel
151s -
max time network
77s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-10-2022 20:44
Static task
static1
Behavioral task
behavioral1
Sample
cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe
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Size
264KB
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MD5
7a97a268b76d5cae6a37e8377b638ea0
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SHA1
26cf2ccb487d93c101577ffaee85ad0a96dcea47
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SHA256
cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6
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SHA512
af729e6d539a808d93f7dbfc220fd77a197f04184a7337d9544766c69394cb773b513cbbcc511451e3de7975aea65d2527c84a3d120c02f3e6204a6155ce1b7c
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SSDEEP
6144:Mr8XI/3JJYHyxyIVEA4aZM9DRruwcu3zCLQ/c:28XcvHmzKu3zCLQ/c
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bnjeum.exe -
Executes dropped EXE 1 IoCs
pid Process 2036 bnjeum.exe -
Loads dropped DLL 2 IoCs
pid Process 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /h" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /j" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /N" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /G" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /r" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /y" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /T" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /U" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /v" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /D" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /w" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /Y" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /S" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /X" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /o" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /q" cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /C" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /J" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /P" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /Q" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /O" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /z" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /l" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /H" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /c" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /R" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /W" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /x" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /g" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /p" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /i" bnjeum.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /a" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /e" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /s" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /t" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /M" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /u" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /n" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /B" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /q" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /Z" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /A" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /E" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /V" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /f" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /I" bnjeum.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /m" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /L" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /k" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /K" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /b" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /F" bnjeum.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnjeum = "C:\\Users\\Admin\\bnjeum.exe /d" bnjeum.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe 2036 bnjeum.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 2036 bnjeum.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1672 wrote to memory of 2036 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 27 PID 1672 wrote to memory of 2036 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 27 PID 1672 wrote to memory of 2036 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 27 PID 1672 wrote to memory of 2036 1672 cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe"C:\Users\Admin\AppData\Local\Temp\cae71796dd7a1297e502084630ca7efd3020f42ef9891c7c0c03d9ad4c9009c6.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Users\Admin\bnjeum.exe"C:\Users\Admin\bnjeum.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
264KB
MD5cce8999d8bf1e1fa6bf2b721314b77d8
SHA1ad791c3a42237c05975481f943a04ed70233543f
SHA25644e3293b139a465308f2672ffad1177cd6d08057cbe96a08444b2b4e8d2242cd
SHA5121ae765d683702bcae04ed40848745ce0ce223762adc067d37f2cbd0bc07c4b7dbff20e88f2c78310e55755e9a5485f7958ffb9b7bff0cce71af38fe356e768bd
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Filesize
264KB
MD5cce8999d8bf1e1fa6bf2b721314b77d8
SHA1ad791c3a42237c05975481f943a04ed70233543f
SHA25644e3293b139a465308f2672ffad1177cd6d08057cbe96a08444b2b4e8d2242cd
SHA5121ae765d683702bcae04ed40848745ce0ce223762adc067d37f2cbd0bc07c4b7dbff20e88f2c78310e55755e9a5485f7958ffb9b7bff0cce71af38fe356e768bd
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Filesize
264KB
MD5cce8999d8bf1e1fa6bf2b721314b77d8
SHA1ad791c3a42237c05975481f943a04ed70233543f
SHA25644e3293b139a465308f2672ffad1177cd6d08057cbe96a08444b2b4e8d2242cd
SHA5121ae765d683702bcae04ed40848745ce0ce223762adc067d37f2cbd0bc07c4b7dbff20e88f2c78310e55755e9a5485f7958ffb9b7bff0cce71af38fe356e768bd
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Filesize
264KB
MD5cce8999d8bf1e1fa6bf2b721314b77d8
SHA1ad791c3a42237c05975481f943a04ed70233543f
SHA25644e3293b139a465308f2672ffad1177cd6d08057cbe96a08444b2b4e8d2242cd
SHA5121ae765d683702bcae04ed40848745ce0ce223762adc067d37f2cbd0bc07c4b7dbff20e88f2c78310e55755e9a5485f7958ffb9b7bff0cce71af38fe356e768bd