Analysis
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max time kernel
135s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2023, 22:06
Static task
static1
Behavioral task
behavioral1
Sample
27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe
Resource
win10v2004-20230220-en
General
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Target
27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe
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Size
1.8MB
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MD5
7a3c047825bd8ab275ed90334619869f
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SHA1
4fece8f6b093bd2ca357ca0ef6a0b0ef82252ead
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SHA256
27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1
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SHA512
aba717d72f2a8d2e9f92814e1abc0564131a653b87890fc60b3305b442eac1b16196e6958a498010dccc2d3a24a82346c00bd6f78f899c3f348a90d026705a13
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SSDEEP
24576:RhC37BlQeNxnsPbeOpbTXU8GmH7HuSpnSCFxnQYBgPazizYtTzxpTj0v/JIr:C37BxPpU98CcEOexRQW
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe -
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 5016 1280 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3476 powershell.exe 3476 powershell.exe 1884 powershell.exe 1884 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 1280 27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe Token: SeDebugPrivilege 1884 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1280 wrote to memory of 3476 1280 27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe 84 PID 1280 wrote to memory of 3476 1280 27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe"C:\Users\Admin\AppData\Local\Temp\27f03bcd5cf9f3252316c1aea335f56dd9909c53832707b9f56033d1da98a0a1.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1280 -s 19842⤵
- Program crash
PID:5016
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 476 -p 1280 -ip 12801⤵PID:228
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1884
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD52f57fde6b33e89a63cf0dfdd6e60a351
SHA1445bf1b07223a04f8a159581a3d37d630273010f
SHA2563b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
SHA51242857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
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Filesize
1KB
MD5fc28168b916bf9744961653d503e1164
SHA171deadab13b81a414582f931e9af010152463644
SHA256a2a78e9fb30fe365d454ca6bbbf950355049c978262fdf0e80cd683622cf00e9
SHA51208d828e18ccb2892f12dcbbaf5a5ffcafb4e2e768536fc46b3d2fce788c52b2f61058e1ef0a47e648e2308f4f1aeb8799bef9472726d2800fa9b775f401e08c9
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82