Analysis
- max time kernel
125s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/10/2022, 15:11
Static task
static1
Behavioral task
behavioral1
Sample
e5b7ea9ec17c2e44cf3ab53050f8bfad.exe
Resource
win7-20220812-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
e5b7ea9ec17c2e44cf3ab53050f8bfad.exe
Resource
win10v2004-20220812-en
12 signatures
150 seconds
General
- Target e5b7ea9ec17c2e44cf3ab53050f8bfad.exe
- Size 184KB
- Sample221010-skk4msccf6
- SHA256 c5dafabab462b9726bc0dc16cc523fa3432c40d0698c62db0c1dd5d5ff097fee
- MD5 e5b7ea9ec17c2e44cf3ab53050f8bfad
- SHA1 703fd35dc0a7c7d04f8db7ec1697a3c592489a8a
- SHA512 5fae9adf628b3812f89ae6e2479ed1b10f26940be955e944bbb27b7860b4150dfc45b2d7f0015d915f875fdb9ce2f9a52ed105a1c3d454499dbffcf510255845
- SSDEEP 3072:l1NjcVVnLpPunbOnKfquOxxtIZtYPyHbQzwbeWpWEM2lvneXafPlDls1y3S5K/mj:HNeZmt4xtRGbewbJWE5neqNcy3S4MT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4796 dbhbitn.exe - Loads dropped DLL 1 IoCs
pid Process 1124 dbhbitn.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dbhbitn.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dbhbitn.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook dbhbitn.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4796 set thread context of 1124 4796 dbhbitn.exe 83 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 1036 4796 WerFault.exe 82 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1124 dbhbitn.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1268 wrote to memory of 4796 1268 e5b7ea9ec17c2e44cf3ab53050f8bfad.exe 82 PID 1268 wrote to memory of 4796 1268 e5b7ea9ec17c2e44cf3ab53050f8bfad.exe 82 PID 1268 wrote to memory of 4796 1268 e5b7ea9ec17c2e44cf3ab53050f8bfad.exe 82 PID 4796 wrote to memory of 1124 4796 dbhbitn.exe 83 PID 4796 wrote to memory of 1124 4796 dbhbitn.exe 83 PID 4796 wrote to memory of 1124 4796 dbhbitn.exe 83 PID 4796 wrote to memory of 1124 4796 dbhbitn.exe 83 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook dbhbitn.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook dbhbitn.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5b7ea9ec17c2e44cf3ab53050f8bfad.exe"C:\Users\Admin\AppData\Local\Temp\e5b7ea9ec17c2e44cf3ab53050f8bfad.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe"C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe"C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1124
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 5043⤵
- Program crash
PID:1036
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4796 -ip 47961⤵PID:5108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe
- Size 123KB
- SHA256 1a94f183f4f850f5897063ca9588d90a0e5e51317deb69c86deb4d3082002ccd
- MD5 fe07e6d4ab2226177613eebc29b3fbd0
- SHA1 5c59fa5d55ea758ab461cd0d9760260b568f3637
- SHA512 475f11a76a1412c0805bf8d62e8f74eec74960d50997988838cdb6706d3ac6447140162997f8547da384ea43609ace114e2f1ea37de8b89c7064a22671ae71f2
- SSDEEP 3072:KfWQ6ESTPnrfN6uc3CYeq3ooebUyxS/nplZbK65HMi3n:wWhEGTc3Oq3oo/yx6V53n
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe
- Size 123KB
- SHA256 1a94f183f4f850f5897063ca9588d90a0e5e51317deb69c86deb4d3082002ccd
- MD5 fe07e6d4ab2226177613eebc29b3fbd0
- SHA1 5c59fa5d55ea758ab461cd0d9760260b568f3637
- SHA512 475f11a76a1412c0805bf8d62e8f74eec74960d50997988838cdb6706d3ac6447140162997f8547da384ea43609ace114e2f1ea37de8b89c7064a22671ae71f2
- SSDEEP 3072:KfWQ6ESTPnrfN6uc3CYeq3ooebUyxS/nplZbK65HMi3n:wWhEGTc3Oq3oo/yx6V53n
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\dbhbitn.exe
- Size 123KB
- SHA256 1a94f183f4f850f5897063ca9588d90a0e5e51317deb69c86deb4d3082002ccd
- MD5 fe07e6d4ab2226177613eebc29b3fbd0
- SHA1 5c59fa5d55ea758ab461cd0d9760260b568f3637
- SHA512 475f11a76a1412c0805bf8d62e8f74eec74960d50997988838cdb6706d3ac6447140162997f8547da384ea43609ace114e2f1ea37de8b89c7064a22671ae71f2
- SSDEEP 3072:KfWQ6ESTPnrfN6uc3CYeq3ooebUyxS/nplZbK65HMi3n:wWhEGTc3Oq3oo/yx6V53n
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ijpoidaei.or
- Size 4KB
- SHA256 fe1d992234600c26e9083bbc6043238153d6791a02edc5f93f8f06aba10cc2e9
- MD5 5d0d4288c0dd08625fa8a4ec6bbbadfc
- SHA1 1442220a200c78bc7af1f25981b89f48d5fd9fb0
- SHA512 a44ba337139baf33941968c595fc500ce585374fa00721b97e9a7e97cfb9c72b2ae6d430126210a90d1d477e71ec1d14de6b1704600bd85863b2a826e23c2856
- SSDEEP 96:261J1McYEp+78/9/tt0relMJLf55vPPaHKMAMzVozxnMYtKwTI8mc+k1Fe:H1Mva+4/13fqLf55XhKzadMYtKMP0Oe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\irgumcbyf.n
- Size 104KB
- SHA256 29b58e11c8d53d7477ad83c4b199e4f9fac268f8e918fe64415072be9509148e
- MD5 38e5f70486820055bdc11212d44e4322
- SHA1 acf14754626946b50b3d1e8671725fe448b4b918
- SHA512 740cd283d54155d7a9e3d7f65bdff8df6b6693dea0dc9737e27c0762b1f5f13569ccdfdaaa083de74be21efe5cfb35e7b724001cf52372cd1be80e6c1c6fd5ba
- SSDEEP 3072:oF/MG80FQZC5AUWAQCokjMcNi6bgcYvnyifFVjY1:oF/cCQxN4mhccnyifFhY1
- MD5 SHA1 SHA512 SSDEEP