Analysis
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max time kernel
341s -
max time network
347s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 03:41
Static task
static1
Behavioral task
behavioral1
Sample
.csrss.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
.csrss.exe
Resource
win10v2004-20220812-en
General
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Target
.csrss.exe
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Size
1.0MB
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MD5
1235793b06610aee455d2b77309dafa3
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SHA1
828e562831a5eff21a521514297183bc95a56ea6
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SHA256
e0574e15253c6a75e46bb422234b05f6bde742fcbc5695c16b4b9d7748d3238b
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SHA512
e22166afaf5b2a34f1f38aa67b210bc7b7bb9a1c9f31747e219384bf3cc8c096d3b69a014b44a1c768f7d0dc7ec5a7a9b315f3d12e27f93b1d26521c06d8748e
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SSDEEP
24576:iAGfqdOOU3Xt5LVJ27B4czX9nRuvyyuAFgEwo4O1:wfqdOOmt5vKaiXJgqlsl
Malware Config
Extracted
lokibot
http://sempersim.su/gm14/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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
.csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook .csrss.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook .csrss.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook .csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
.csrss.exedescription pid process target process PID 1972 set thread context of 1564 1972 .csrss.exe .csrss.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
.csrss.exepid process 1972 .csrss.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
.csrss.exepid process 1564 .csrss.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
.csrss.exe.csrss.exedescription pid process Token: SeDebugPrivilege 1972 .csrss.exe Token: SeDebugPrivilege 1564 .csrss.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
.csrss.exedescription pid process target process PID 1972 wrote to memory of 1172 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1172 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1172 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1172 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe PID 1972 wrote to memory of 1564 1972 .csrss.exe .csrss.exe -
outlook_office_path 1 IoCs
Processes:
.csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook .csrss.exe -
outlook_win_path 1 IoCs
Processes:
.csrss.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook .csrss.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\.csrss.exe"C:\Users\Admin\AppData\Local\Temp\.csrss.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\.csrss.exe"C:\Users\Admin\AppData\Local\Temp\.csrss.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\.csrss.exe"C:\Users\Admin\AppData\Local\Temp\.csrss.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1564-69-0x00000000004139DE-mapping.dmp
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memory/1564-60-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-74-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-73-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-63-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-71-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-68-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-61-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-66-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1564-65-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1972-58-0x0000000007E20000-0x0000000007EB4000-memory.dmpFilesize
592KB
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memory/1972-55-0x0000000075931000-0x0000000075933000-memory.dmpFilesize
8KB
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memory/1972-54-0x0000000000CD0000-0x0000000000DE0000-memory.dmpFilesize
1.1MB
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memory/1972-59-0x0000000004F50000-0x0000000004FAC000-memory.dmpFilesize
368KB
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memory/1972-57-0x00000000005A0000-0x00000000005AC000-memory.dmpFilesize
48KB
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memory/1972-56-0x00000000009A0000-0x00000000009B8000-memory.dmpFilesize
96KB