Analysis
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max time kernel
147s -
max time network
156s -
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, 13:18
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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation Payment_Advice.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4900 set thread context of 4768 4900 Payment_Advice.pdf.exe 101 -
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 5064 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 4900 Payment_Advice.pdf.exe 4900 Payment_Advice.pdf.exe 4900 Payment_Advice.pdf.exe 3772 powershell.exe 2556 powershell.exe 3772 powershell.exe 2556 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4900 Payment_Advice.pdf.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 3772 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4900 wrote to memory of 3772 4900 Payment_Advice.pdf.exe 95 PID 4900 wrote to memory of 3772 4900 Payment_Advice.pdf.exe 95 PID 4900 wrote to memory of 2556 4900 Payment_Advice.pdf.exe 96 PID 4900 wrote to memory of 2556 4900 Payment_Advice.pdf.exe 96 PID 4900 wrote to memory of 5064 4900 Payment_Advice.pdf.exe 97 PID 4900 wrote to memory of 5064 4900 Payment_Advice.pdf.exe 97 PID 4900 wrote to memory of 4768 4900 Payment_Advice.pdf.exe 101 PID 4900 wrote to memory of 4768 4900 Payment_Advice.pdf.exe 101 PID 4900 wrote to memory of 4768 4900 Payment_Advice.pdf.exe 101 -
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:4900 -
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:3772
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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:2556
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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\tmpDD8F.tmp"2⤵
- Creates scheduled task(s)
PID:5064
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C:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exeC:\Users\Admin\AppData\Local\Temp\Payment_Advice.pdf.exe2⤵PID:4768
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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
944B
MD53a6bad9528f8e23fb5c77fbd81fa28e8
SHA1f127317c3bc6407f536c0f0600dcbcf1aabfba36
SHA256986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05
SHA512846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5fed4271685584651c6887279f823e3ec
SHA1494040e44812dc2c176bf9328f6acca9203c08a4
SHA256ae9d02251f9b57060cd7ae9b2199b3fbf31cde1038549c640e9a35130e60eb6d
SHA51284df77e835a568c4c9a4a57414a879b85c20ecacd45990ba6136ca579865bac00ce636d7d1959fa5c2eea319d1d9ec1d5de3c8d47d18b2b00b7ffdf6117125c0