Analysis
- max time kernel
143s - max time network
147s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system - submitted
11/10/2023, 18:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0050-1.dll
Resource
win7-20230831-en
18 signatures
150 seconds
General
- Target 0050-1.dll
- Size 328KB
- Sample231011-wtql9sff75
- SHA256 a12045a6177dd32af8b39dea93fa92962ff1716381d0d137dede1fc75ecd2c0c
- MD5 510e0f061b1c3ff84f4cc810ff1dc6b2
- SHA1 6c0cb0d21dde5ec87d30c4d15025f50ab293c062
- SHA512 09094d9fd88f7d519844f085d1e586e1e974a5f907cc99aa60f23f73e603be168040212eff14fe6cdc53bebc7536d307269a1c77cad22b4e7cabf89213b8f3ea
- SSDEEP 6144:tN/F41OWGRkFtwxW6spj/JbUaeboh6EReEUHFmUAkHecHYKjrygmsp:t5FCOWGRayW6sAowXFmUALjKjryg
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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icedid
Campaign
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361893872
Signatures
- Blocklisted process makes network request 6 IoCs
flow pid Process 9 2264 rundll32.exe 11 2264 rundll32.exe 16 2264 rundll32.exe 18 2264 rundll32.exe 20 2264 rundll32.exe 22 2264 rundll32.exe - Downloads MZ/PE file
- Loads dropped DLL 5 IoCs
pid Process 2264 rundll32.exe 2264 rundll32.exe 2264 rundll32.exe 2264 rundll32.exe 2264 rundll32.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 7 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\13.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Discovers systems in the same network 1 TTPs 2 IoCs
pid Process 2320 net.exe 2328 net.exe - Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 1936 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 340 systeminfo.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\CLSID\{F699FD4F-582E-0504-D361-4CA8EBBF4E36} rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\CLSID\{F699FD4F-582E-0504-D361-4CA8EBBF4E36}\ = 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 rundll32.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2580 regsvr32.exe 2580 regsvr32.exe 2264 rundll32.exe 2264 rundll32.exe - Suspicious use of AdjustPrivilegeToken 40 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1952 WMIC.exe Token: SeSecurityPrivilege 1952 WMIC.exe Token: SeTakeOwnershipPrivilege 1952 WMIC.exe Token: SeLoadDriverPrivilege 1952 WMIC.exe Token: SeSystemProfilePrivilege 1952 WMIC.exe Token: SeSystemtimePrivilege 1952 WMIC.exe Token: SeProfSingleProcessPrivilege 1952 WMIC.exe Token: SeIncBasePriorityPrivilege 1952 WMIC.exe Token: SeCreatePagefilePrivilege 1952 WMIC.exe Token: SeBackupPrivilege 1952 WMIC.exe Token: SeRestorePrivilege 1952 WMIC.exe Token: SeShutdownPrivilege 1952 WMIC.exe Token: SeDebugPrivilege 1952 WMIC.exe Token: SeSystemEnvironmentPrivilege 1952 WMIC.exe Token: SeRemoteShutdownPrivilege 1952 WMIC.exe Token: SeUndockPrivilege 1952 WMIC.exe Token: SeManageVolumePrivilege 1952 WMIC.exe Token: 33 1952 WMIC.exe Token: 34 1952 WMIC.exe Token: 35 1952 WMIC.exe Token: SeIncreaseQuotaPrivilege 1952 WMIC.exe Token: SeSecurityPrivilege 1952 WMIC.exe Token: SeTakeOwnershipPrivilege 1952 WMIC.exe Token: SeLoadDriverPrivilege 1952 WMIC.exe Token: SeSystemProfilePrivilege 1952 WMIC.exe Token: SeSystemtimePrivilege 1952 WMIC.exe Token: SeProfSingleProcessPrivilege 1952 WMIC.exe Token: SeIncBasePriorityPrivilege 1952 WMIC.exe Token: SeCreatePagefilePrivilege 1952 WMIC.exe Token: SeBackupPrivilege 1952 WMIC.exe Token: SeRestorePrivilege 1952 WMIC.exe Token: SeShutdownPrivilege 1952 WMIC.exe Token: SeDebugPrivilege 1952 WMIC.exe Token: SeSystemEnvironmentPrivilege 1952 WMIC.exe Token: SeRemoteShutdownPrivilege 1952 WMIC.exe Token: SeUndockPrivilege 1952 WMIC.exe Token: SeManageVolumePrivilege 1952 WMIC.exe Token: 33 1952 WMIC.exe Token: 34 1952 WMIC.exe Token: 35 1952 WMIC.exe - Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 2580 wrote to memory of 2716 2580 regsvr32.exe 28 PID 2580 wrote to memory of 2716 2580 regsvr32.exe 28 PID 2580 wrote to memory of 2716 2580 regsvr32.exe 28 PID 2716 wrote to memory of 2264 2716 cmd.exe 30 PID 2716 wrote to memory of 2264 2716 cmd.exe 30 PID 2716 wrote to memory of 2264 2716 cmd.exe 30 PID 2264 wrote to memory of 2060 2264 rundll32.exe 33 PID 2264 wrote to memory of 2060 2264 rundll32.exe 33 PID 2264 wrote to memory of 2060 2264 rundll32.exe 33 PID 2060 wrote to memory of 1532 2060 cmd.exe 35 PID 2060 wrote to memory of 1532 2060 cmd.exe 35 PID 2060 wrote to memory of 1532 2060 cmd.exe 35 PID 2264 wrote to memory of 1952 2264 rundll32.exe 36 PID 2264 wrote to memory of 1952 2264 rundll32.exe 36 PID 2264 wrote to memory of 1952 2264 rundll32.exe 36 PID 2264 wrote to memory of 1936 2264 rundll32.exe 38 PID 2264 wrote to memory of 1936 2264 rundll32.exe 38 PID 2264 wrote to memory of 1936 2264 rundll32.exe 38 PID 2264 wrote to memory of 340 2264 rundll32.exe 40 PID 2264 wrote to memory of 340 2264 rundll32.exe 40 PID 2264 wrote to memory of 340 2264 rundll32.exe 40 PID 2264 wrote to memory of 820 2264 rundll32.exe 44 PID 2264 wrote to memory of 820 2264 rundll32.exe 44 PID 2264 wrote to memory of 820 2264 rundll32.exe 44 PID 820 wrote to memory of 1340 820 net.exe 46 PID 820 wrote to memory of 1340 820 net.exe 46 PID 820 wrote to memory of 1340 820 net.exe 46 PID 2264 wrote to memory of 2592 2264 rundll32.exe 47 PID 2264 wrote to memory of 2592 2264 rundll32.exe 47 PID 2264 wrote to memory of 2592 2264 rundll32.exe 47 PID 2264 wrote to memory of 808 2264 rundll32.exe 49 PID 2264 wrote to memory of 808 2264 rundll32.exe 49 PID 2264 wrote to memory of 808 2264 rundll32.exe 49 PID 2264 wrote to memory of 2328 2264 rundll32.exe 51 PID 2264 wrote to memory of 2328 2264 rundll32.exe 51 PID 2264 wrote to memory of 2328 2264 rundll32.exe 51 PID 2264 wrote to memory of 2320 2264 rundll32.exe 53 PID 2264 wrote to memory of 2320 2264 rundll32.exe 53 PID 2264 wrote to memory of 2320 2264 rundll32.exe 53 PID 2264 wrote to memory of 3020 2264 rundll32.exe 55 PID 2264 wrote to memory of 3020 2264 rundll32.exe 55 PID 2264 wrote to memory of 3020 2264 rundll32.exe 55 PID 3020 wrote to memory of 1196 3020 net.exe 57 PID 3020 wrote to memory of 1196 3020 net.exe 57 PID 3020 wrote to memory of 1196 3020 net.exe 57 - 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.
- outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0050-1.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll,#13⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2264 -
C:\Windows\system32\cmd.execmd.exe /c chcp >&24⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\system32\chcp.comchcp5⤵PID:1532
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C:\Windows\System32\Wbem\WMIC.exeWMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\system32\ipconfig.exeipconfig /all4⤵
- Gathers network information
PID:1936
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C:\Windows\system32\systeminfo.exesysteminfo4⤵
- Gathers system information
PID:340
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C:\Windows\system32\net.exenet config workstation4⤵
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 config workstation5⤵PID:1340
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C:\Windows\system32\nltest.exenltest /domain_trusts4⤵PID:2592
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts4⤵PID:808
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C:\Windows\system32\net.exenet view /all /domain4⤵
- Discovers systems in the same network
PID:2328
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C:\Windows\system32\net.exenet view /all4⤵
- Discovers systems in the same network
PID:2320
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C:\Windows\system32\net.exenet group "Domain Admins" /domain4⤵
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 group "Domain Admins" /domain5⤵PID:1196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
- Size 344B
- SHA256 6057db1519812fe102dcbc254717562d1f2431b8f5272a393bf6844a531767cd
- MD5 f2bd3cd06b1f68412a856178cae114c8
- SHA1 0c639931b12ad16bdddd0b3dbf25bcc6fca8a456
- SHA512 3121dca4526d579926e56c88c36d4f18cd43f8405da36474e265017194cdfa2f81b348cf152c5971a76976b3f009c08b43a8d7b8338be7203e85ffd431d00069
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\Cab7033.tmp
- Size 61KB
- SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
- MD5 f3441b8572aae8801c04f3060b550443
- SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
- SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
- SSDEEP 1536:RfhMeKBlsociYZAT+4oGNk2rb2oX3bUH+uOlEU:RhV0WXvAa4XNoeudU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\TarA0F2.tmp
- Size 163KB
- SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
- MD5 9441737383d21192400eca82fda910ec
- SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
- SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
- SSDEEP 1536:AA8JXlCUs0RvWqgCyPW5BXNWdm1wpyru2/3EwjYoz0VDTrubmt6t+:AtJXq0RuXCyfdmAyru2/RAKtU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll
- Size 583KB
- SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
- MD5 0245e02cbb6ffe2716c2aeb7fb8006d0
- SHA1 59dd3d2477211eb4fcd72b542812a2036fa0e1e8
- SHA512 0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
- SSDEEP 12288:ujan3B7+2OoGEwYXorDxBDWgyv9cii8VPezCTr:Jn3B7+2OyJo/DWz9cS2zW
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\sqlite64.dll
- Size 1.8MB
- SHA256 fca6b7fe66ad9973f18f407e83b56dacd04197cbd35efc498a342d73d6a113e5
- MD5 26d773a69f6fad3200d49a7aaa77752b
- SHA1 3970ffe8aefe0c30daaec65b85fb103c0fc0f2a7
- SHA512 0041b52514460dda19dd065fc46393f6fbe248a4c62fce28e0819abd952756996b34fdea286eb7814a7c868a12656a065278932760e61e53f7102b0dba324e4f
- SSDEEP 24576:3cAe3+vCluMjHhkV/PKs+4iTnkHU8jwljrlSKpPLBkg4JHMteu6W1d:3cAeMyjq24ukHxjwNZyJHzuf
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll
- Size 583KB
- SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
- MD5 0245e02cbb6ffe2716c2aeb7fb8006d0
- SHA1 59dd3d2477211eb4fcd72b542812a2036fa0e1e8
- SHA512 0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
- SSDEEP 12288:ujan3B7+2OoGEwYXorDxBDWgyv9cii8VPezCTr:Jn3B7+2OyJo/DWz9cS2zW
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll
- Size 583KB
- SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
- MD5 0245e02cbb6ffe2716c2aeb7fb8006d0
- SHA1 59dd3d2477211eb4fcd72b542812a2036fa0e1e8
- SHA512 0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
- SSDEEP 12288:ujan3B7+2OoGEwYXorDxBDWgyv9cii8VPezCTr:Jn3B7+2OyJo/DWz9cS2zW
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll
- Size 583KB
- SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
- MD5 0245e02cbb6ffe2716c2aeb7fb8006d0
- SHA1 59dd3d2477211eb4fcd72b542812a2036fa0e1e8
- SHA512 0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
- SSDEEP 12288:ujan3B7+2OoGEwYXorDxBDWgyv9cii8VPezCTr:Jn3B7+2OyJo/DWz9cS2zW
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\Utdebd4\Admin\Osluacpb1.dll
- Size 583KB
- SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
- MD5 0245e02cbb6ffe2716c2aeb7fb8006d0
- SHA1 59dd3d2477211eb4fcd72b542812a2036fa0e1e8
- SHA512 0c2e863512f2d83429e681cbcdb31bf9c6f0a69611f6d8923198d51d1e49750f4bf441c8ce256fb44a9cb39a6855e70fcbc644739926570214400bd06a683d82
- SSDEEP 12288:ujan3B7+2OoGEwYXorDxBDWgyv9cii8VPezCTr:Jn3B7+2OyJo/DWz9cS2zW
- MD5 SHA1 SHA512 SSDEEP