Analysis
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max time kernel
122s -
max time network
143s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
11-02-2022 06:46
Static task
static1
Behavioral task
behavioral1
Sample
78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe
Resource
win10v2004-en-20220113
General
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Target
78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe
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Size
55KB
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MD5
983c595756df443a888b52e027dd3461
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SHA1
5f93b7fcbf41fe554039f779c06552bf5e2998fe
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SHA256
78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56
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SHA512
1f2a9bccc25862f983278b3ad9f6d80f90df1e776a26f5616afc3e29e944bdac05cb15a953079899903d278d6c9d20a492c895f69a0f1b7c3a2752062fdcc949
Malware Config
Extracted
C:\how_to_back_files.html
class="mark">[email protected]</span>.</br>
class="mark">[email protected]</span>
class="mark">[email protected]</span></li>
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Roaming\\78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe" 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe -
Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Users\Public\desktop.ini 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe File opened for modification C:\Users\Public\Videos\desktop.ini 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe -
Kills process with taskkill 1 IoCs
pid Process 1924 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1040 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1924 taskkill.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1040 wrote to memory of 1924 1040 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe 27 PID 1040 wrote to memory of 1924 1040 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe 27 PID 1040 wrote to memory of 1924 1040 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe 27 PID 1040 wrote to memory of 1924 1040 78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe"C:\Users\Admin\AppData\Local\Temp\78568cb5465e8ab060762f46799499a58fbddd2f58c58a3eb8684b931c0b9d56.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\taskkill.exetaskkill /F /T /PID 10402⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1924
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