Analysis
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max time kernel
91s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2024, 13:21
Static task
static1
Behavioral task
behavioral1
Sample
Payment_Advice.pdf.exe
Resource
win7-20240221-en
General
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Target
Payment_Advice.pdf.exe
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Size
535KB
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MD5
dce3a42744dfd9236299039e09ed1fc9
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SHA1
e677a7accc88342822454c28a55cee05cc8d0ac0
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SHA256
7cc872c2db97ac517a53904af50ad37dd08ca934fd1a48d4ebbd4c593c9cf528
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SHA512
ce85b18d067cf01f9563cd8c85f6eeba64f32cd55682a0a51fe7bdf2d395d69e5712ba88f88f9a890c3366125266e9319f3766adba30d80c695de553db2427de
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SSDEEP
12288:J8/xQNl/Wqq9WylY3mVOgfhl9ZFn2IGkPyIfDD/zy/wlEYi:2mZy1VOgfb9NYU3r76
Malware Config
Extracted
lokibot
https://sempersim.su/c17/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation Payment_Advice.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2304 set thread context of 4840 2304 Payment_Advice.pdf.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2300 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2304 Payment_Advice.pdf.exe 2304 Payment_Advice.pdf.exe 2304 Payment_Advice.pdf.exe 2304 Payment_Advice.pdf.exe 3632 powershell.exe 5028 powershell.exe 5028 powershell.exe 3632 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2304 Payment_Advice.pdf.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2304 wrote to memory of 3632 2304 Payment_Advice.pdf.exe 96 PID 2304 wrote to memory of 3632 2304 Payment_Advice.pdf.exe 96 PID 2304 wrote to memory of 5028 2304 Payment_Advice.pdf.exe 97 PID 2304 wrote to memory of 5028 2304 Payment_Advice.pdf.exe 97 PID 2304 wrote to memory of 2300 2304 Payment_Advice.pdf.exe 99 PID 2304 wrote to memory of 2300 2304 Payment_Advice.pdf.exe 99 PID 2304 wrote to memory of 4840 2304 Payment_Advice.pdf.exe 102 PID 2304 wrote to memory of 4840 2304 Payment_Advice.pdf.exe 102 PID 2304 wrote to memory of 4840 2304 Payment_Advice.pdf.exe 102 -
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\Payment_Advice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3632
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FGZscboXVnu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5028
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FGZscboXVnu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA028.tmp"2⤵
- Creates scheduled task(s)
PID:2300
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C:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exeC:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exe2⤵PID:4840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e98926fe465a5564c631a882dca93f8e
SHA1cb9852664203bb21d05a5b80d85ff4ee3900a7cf
SHA25689d5ad052a2d662445587efb5aa52eb8075ab12cc9e9fc6fc0d4af71655f808a
SHA512de90dde699985abbdf8bd5e279141b889c3c580015ba2f7444428b668be99492e26447ad8bce9b4537b4f9e8f70c02e4d21d9866b48332188a09b0817530055a