Analysis
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max time kernel
136s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 19:51
Static task
static1
Behavioral task
behavioral1
Sample
13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe
Resource
win10v2004-20241007-en
General
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Target
13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe
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Size
415KB
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MD5
838d656c7016ba0359635e522e67fbf9
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SHA1
8046de4afdd14c0ad740c11b9bd58a24ab93c40d
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SHA256
13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1
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SHA512
eecfd9ac76d8b9ed945fa37b7c134df8844581fc581a46d805b806dcafd43567ac59153c248d48c244ed675f3732b0d01ba691abc365110f989b9001383691cf
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SSDEEP
6144:EWa1OEXyUoC1RkhRAdv7weEZ3FpTo3Gt3q7Z+r8vkDHz9APLcLYo6aMzyFs30T:EWt/UoMiVB3FpgGVqcr8voO8
Malware Config
Extracted
redline
norm
77.91.124.145:4125
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auth_value
1514e6c0ec3d10a36f68f61b206f5759
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 3 IoCs
resource yara_rule behavioral2/memory/1036-2089-0x0000000005540000-0x0000000005572000-memory.dmp family_redline behavioral2/files/0x000500000001e56e-2094.dat family_redline behavioral2/memory/1148-2103-0x00000000009E0000-0x0000000000A10000-memory.dmp family_redline -
Redline family
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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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe -
Executes dropped EXE 1 IoCs
pid Process 1148 1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4080 1036 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1036 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1036 wrote to memory of 1148 1036 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe 86 PID 1036 wrote to memory of 1148 1036 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe 86 PID 1036 wrote to memory of 1148 1036 13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe"C:\Users\Admin\AppData\Local\Temp\13d1f935241448c376ea354e8a8b5f9591cde49d60786b4e95054a09ecce9da1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 13082⤵
- Program crash
PID:4080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1036 -ip 10361⤵PID:2708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0