Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 17:04
Static task
static1
Behavioral task
behavioral1
Sample
8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe
Resource
win10v2004-20220812-en
General
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Target
8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe
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Size
952KB
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MD5
e738581ccc00d7bc7ce7500d03873a0a
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SHA1
dcc9aad1621a2cb309c719201f3c295705f04a3a
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SHA256
8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82
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SHA512
cff79366429c61baea483698aa3cc1b387561ec7c7a71366ba15df1fee1b327ac780535f34a2fd34b812f7165a280838c1cbb4a77f19b477587efac761e424d4
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SSDEEP
12288:3VcFBopB3yxaWHOP0T7M6SY+Kz4X48E85adAN2/amL8rZ1z8bcr29GRSQ31qDP6Y:+FeXxMnnwTt18Qr29GRSCeA1U
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemlog = "C:\\Users\\Admin\\AppData\\Roaming\\systemlog32\\syslog.exe" 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemlog = "\\systemlog32\\syslog.exe" 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1740 set thread context of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2040 schtasks.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1148 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1148 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe Token: SeDebugPrivilege 1148 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1148 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2040 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 27 PID 1740 wrote to memory of 2040 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 27 PID 1740 wrote to memory of 2040 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 27 PID 1740 wrote to memory of 2040 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 27 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29 PID 1740 wrote to memory of 1148 1740 8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Update\Google Update" /XML "C:\Users\Admin\AppData\Local\Temp\annnnn.xml"2⤵
- Creates scheduled task(s)
PID:2040
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C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1148
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5ce0bb0d0c78ee477bbd01683c4f8ae45
SHA10e20c0eb96625db463e6ea11bc9ed8b5290f505f
SHA25662378fa1b233fb49be7d2cbbeeb8db560bb9ef1ab1875c63e0c5211a3b8de49b
SHA5124cd1104f3926a5dfaa0e7e0a40c4da615cebb3de99cda9e033deacfaa712257065f7f71bd5129896a6831123cc9e5a33b2bcbcb2c7c7da3bc257bdaa3741c1d2