Analysis
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max time kernel
147s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 12:23
Static task
static1
Behavioral task
behavioral1
Sample
11.10.2022_____Remittance Advice.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
11.10.2022_____Remittance Advice.exe
Resource
win10v2004-20220812-en
General
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Target
11.10.2022_____Remittance Advice.exe
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Size
185KB
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MD5
17fbfeff461f7699a5030a39515da9e8
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SHA1
96ab0813e976419985e47bca34f5add10f81471c
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SHA256
ccffa2c388af2b3da210647b0f7be25a53cf7a4c6f99bf4b64987e881b763e23
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SHA512
a4ec56cecb3330d191ff391093a996fa51d957bbc03819aece09c0098e2b6e911b47d4a0189bb8b6cf89dd94581b9a949e69af42929b63dd1fe484117f7811c2
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SSDEEP
3072:l1NjcVVnLpPunbVq5/0/XhZfomCZq0XPdvhHTe/mb3bfV987+eM5Bw5P2DQkFyiE:HNeZmQ5WhZfobUKVZHC/0x987Qw5yQE+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 896 tujbbtdfos.exe -
Loads dropped DLL 3 IoCs
pid Process 1220 11.10.2022_____Remittance Advice.exe 896 tujbbtdfos.exe 964 tujbbtdfos.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook tujbbtdfos.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook tujbbtdfos.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook tujbbtdfos.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 964 896 tujbbtdfos.exe 27 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 964 tujbbtdfos.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1220 wrote to memory of 896 1220 11.10.2022_____Remittance Advice.exe 26 PID 1220 wrote to memory of 896 1220 11.10.2022_____Remittance Advice.exe 26 PID 1220 wrote to memory of 896 1220 11.10.2022_____Remittance Advice.exe 26 PID 1220 wrote to memory of 896 1220 11.10.2022_____Remittance Advice.exe 26 PID 896 wrote to memory of 964 896 tujbbtdfos.exe 27 PID 896 wrote to memory of 964 896 tujbbtdfos.exe 27 PID 896 wrote to memory of 964 896 tujbbtdfos.exe 27 PID 896 wrote to memory of 964 896 tujbbtdfos.exe 27 PID 896 wrote to memory of 964 896 tujbbtdfos.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook tujbbtdfos.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook tujbbtdfos.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11.10.2022_____Remittance Advice.exe"C:\Users\Admin\AppData\Local\Temp\11.10.2022_____Remittance Advice.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\tujbbtdfos.exe"C:\Users\Admin\AppData\Local\Temp\tujbbtdfos.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\tujbbtdfos.exe"C:\Users\Admin\AppData\Local\Temp\tujbbtdfos.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:964
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
MD56fa96d4b67776e2df8b1f2f1f0ec545e
SHA17b7ef1cc90416d58684dcf7e6aa2a90d81a16ba8
SHA256c35013739aecc8da58fd0dc15fe06c0028f31d05c974bd86730ea2e8d98230c7
SHA512a671d7668ffbd9da54ca0df7f9c97c0b50f0b78ab4cbb3bca30b1758f3133fc497c0a22587fa4adf745027efcaecb591e3952cfbd8bf4e09c0ae8766b997437b
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Filesize
104KB
MD5bfad23ebd727182e48b96c714d46bb4d
SHA12ddebb0baca457a1c3f51bcd5227925fc0b8f1b2
SHA25677f9dbcd7da167d4d427e38364b2794975ec644e1b92eabfc6349a4d7a6461b3
SHA5128c7d183f74d6f3b3d652ef539c7428b58745ebb0836f9a1a83dfdf0d5c65f0be4485983e3335234d785f4c0073864401af4ee6f610e0997b8ac5e60d2266db82
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Filesize
125KB
MD5e60d23b478bc7e2304512c1d80d0183d
SHA1feb422df606fe854cba115059d3d23bd46fdbfa0
SHA2563a98bdcdbb6e63a51334f825c7b4024ce5f773f28423a5a2a41b6b5ec45d1afd
SHA51297965bb30621d2afa058a2ab834b1df764d082f47a442bee2cfa68190730462da470d355ce6bb392a2f1d16736c7b090110193d142cc7248d670da2db799296f
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Filesize
125KB
MD5e60d23b478bc7e2304512c1d80d0183d
SHA1feb422df606fe854cba115059d3d23bd46fdbfa0
SHA2563a98bdcdbb6e63a51334f825c7b4024ce5f773f28423a5a2a41b6b5ec45d1afd
SHA51297965bb30621d2afa058a2ab834b1df764d082f47a442bee2cfa68190730462da470d355ce6bb392a2f1d16736c7b090110193d142cc7248d670da2db799296f
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Filesize
125KB
MD5e60d23b478bc7e2304512c1d80d0183d
SHA1feb422df606fe854cba115059d3d23bd46fdbfa0
SHA2563a98bdcdbb6e63a51334f825c7b4024ce5f773f28423a5a2a41b6b5ec45d1afd
SHA51297965bb30621d2afa058a2ab834b1df764d082f47a442bee2cfa68190730462da470d355ce6bb392a2f1d16736c7b090110193d142cc7248d670da2db799296f
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Filesize
125KB
MD5e60d23b478bc7e2304512c1d80d0183d
SHA1feb422df606fe854cba115059d3d23bd46fdbfa0
SHA2563a98bdcdbb6e63a51334f825c7b4024ce5f773f28423a5a2a41b6b5ec45d1afd
SHA51297965bb30621d2afa058a2ab834b1df764d082f47a442bee2cfa68190730462da470d355ce6bb392a2f1d16736c7b090110193d142cc7248d670da2db799296f
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Filesize
125KB
MD5e60d23b478bc7e2304512c1d80d0183d
SHA1feb422df606fe854cba115059d3d23bd46fdbfa0
SHA2563a98bdcdbb6e63a51334f825c7b4024ce5f773f28423a5a2a41b6b5ec45d1afd
SHA51297965bb30621d2afa058a2ab834b1df764d082f47a442bee2cfa68190730462da470d355ce6bb392a2f1d16736c7b090110193d142cc7248d670da2db799296f