Analysis
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max time kernel
4294212s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
14-04-2022 13:34
Static task
static1
Behavioral task
behavioral1
Sample
72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe
Resource
win10v2004-en-20220113
General
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Target
72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe
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Size
1.7MB
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MD5
9520964aa4f84e6e16f1df161ce79479
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SHA1
eb054288a6f5dbbfcdb2038030bb38eb11d3dda9
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SHA256
72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55
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SHA512
9bf36414a94daa5943d73988ac20495315ba8ec525a99816e417ef0b6ea023d7b7413632c5bf1e3a3623c792524454ce0b523f414f15fd52df5328706689b9d2
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 6 IoCs
resource yara_rule behavioral1/memory/1744-60-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1744-61-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1744-63-0x0000000000481D6E-mapping.dmp family_masslogger behavioral1/memory/1744-62-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1744-65-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger behavioral1/memory/1744-67-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Control Panel\International\Geo\Nation 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1080 set thread context of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1744 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 1744 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 1744 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe Token: SeDebugPrivilege 1744 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29 PID 1080 wrote to memory of 1744 1080 72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744
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