Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe
Resource
win10v2004-20231215-en
General
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Target
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe
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Size
1008KB
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MD5
997ea9f1ccc67db15ec3a551f932bd25
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SHA1
4bb20cd3579475c5d43866854b81b5bea6352fc8
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SHA256
2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f
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SHA512
4254726491717eefc4a8874d75a6e7fd0f034cebc83c61e4ea11f767c69ad312083cf160a6f5743346b8d227049a424d1f018be85776cd3c7eb10c0aac91c73f
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SSDEEP
24576:UXn8krIG6w+Fwdw1BCNs5pDhfz87brh8p:o8mLMwm1BCNGVfz87h
Malware Config
Signatures
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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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 492 set thread context of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4148 4600 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 948 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 4400 powershell.exe 4400 powershell.exe 4600 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 4600 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe Token: SeDebugPrivilege 4400 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 492 wrote to memory of 4400 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 88 PID 492 wrote to memory of 4400 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 88 PID 492 wrote to memory of 4400 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 88 PID 492 wrote to memory of 948 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 90 PID 492 wrote to memory of 948 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 90 PID 492 wrote to memory of 948 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 90 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92 PID 492 wrote to memory of 4600 492 2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe"C:\Users\Admin\AppData\Local\Temp\2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLHFOeXtlRDR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLHFOeXtlRDR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABB1.tmp"2⤵
- Creates scheduled task(s)
PID:948
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C:\Users\Admin\AppData\Local\Temp\2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe"C:\Users\Admin\AppData\Local\Temp\2042bdcc5e440b757cd0597bb185d6cde9659b0f7950809acf448a27db3e7b6f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4600 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 1843⤵
- Program crash
PID:4148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4600 -ip 46001⤵PID:1524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5cbb4e3ec11a8872760367ed182db57b3
SHA1237c398f78f5f3243a1158966c4ed4b48f7bd04e
SHA25690e0f9d473e051e070c8534f1e9918d8fb2585bf081c45e9178eed7c7654c5ad
SHA51274cf332fc57de0bdedbdd901deb99d7a372eb43a2c4f342e4054a6357e9d6f5f523610707bfd6af6302c4fd5248f22db11c6225435bd48233a6e89d09ddcf302