Analysis
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max time kernel
19s -
max time network
115s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-01-2021 07:41
Static task
static1
Behavioral task
behavioral1
Sample
DHL_Jan 2021 at 13M_9B7290_PDF.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
DHL_Jan 2021 at 13M_9B7290_PDF.exe
Resource
win10v20201028
General
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Target
DHL_Jan 2021 at 13M_9B7290_PDF.exe
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Size
715KB
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MD5
4cdf11f1b7678c63efd99d4b280d2f70
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SHA1
6d9bab79cd3daaf832a7236bb0db30f1b5bc3732
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SHA256
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
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SHA512
713b6e06f9a0093e95880be6ebac97ea897608383702db814148ba568ffe338e4e0f7ae545d2fdf6b4c1875775187cc4964f01a6b5a5da3f7ab1e7d06e6ae398
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2040-7-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/2040-8-0x0000000000481E9E-mapping.dmp family_masslogger behavioral1/memory/2040-9-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/2040-10-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation DHL_Jan 2021 at 13M_9B7290_PDF.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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exedescription pid process target process PID 1088 set thread context of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exepid process 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exepid process 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exedescription pid process Token: SeDebugPrivilege 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exepid process 2040 DHL_Jan 2021 at 13M_9B7290_PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
DHL_Jan 2021 at 13M_9B7290_PDF.exedescription pid process target process PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe PID 1088 wrote to memory of 2040 1088 DHL_Jan 2021 at 13M_9B7290_PDF.exe DHL_Jan 2021 at 13M_9B7290_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 13M_9B7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 13M_9B7290_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 13M_9B7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 13M_9B7290_PDF.exe"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1088-2-0x0000000074CC0000-0x00000000753AE000-memory.dmpFilesize
6.9MB
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memory/1088-3-0x00000000009A0000-0x00000000009A1000-memory.dmpFilesize
4KB
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memory/1088-5-0x0000000002090000-0x000000000213E000-memory.dmpFilesize
696KB
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memory/1088-6-0x00000000002D0000-0x00000000002DF000-memory.dmpFilesize
60KB
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memory/2040-7-0x0000000000400000-0x0000000000486000-memory.dmpFilesize
536KB
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memory/2040-8-0x0000000000481E9E-mapping.dmp
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memory/2040-9-0x0000000000400000-0x0000000000486000-memory.dmpFilesize
536KB
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memory/2040-10-0x0000000000400000-0x0000000000486000-memory.dmpFilesize
536KB
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memory/2040-11-0x0000000074CC0000-0x00000000753AE000-memory.dmpFilesize
6.9MB