Analysis
- max time kernel
96s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
12/10/2024, 04:30
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe
Resource
win7-20241010-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe
Resource
win10v2004-20241007-en
13 signatures
150 seconds
General
- Target f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe
- Size 1.9MB
- Sample241012-e4wslatcpb
- SHA256 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d
- MD5 5bb9a352877dd0438446eae73f2800cd
- SHA1 d7a9241110c75af5bf2652523ddfbab4b78f2455
- SHA512 eb98b24ccd6932cf2b6abbe7e7b65c39b5ef1b794f1bf06c81c09dcb2dba352367b5ae4f720375298c16063111277f759284bd46d07e66544dc9d7a0ef2a0e91
- SSDEEP 24576:Wtb20pkaCqT5TBWgNjVYa0VdjzKJ9TtrRRBHRWQMwTTOFzQJ9TtFKeWHRmBMwklj:DVg5tjVYaUs5xMwp5jMww5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- RevengeRAT
Remote-access trojan with a wide range of capabilities.
- RevengeRat Executable 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023c9a-5.dat revengerat - 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe - Executes dropped EXE 1 IoCs
pid Process 4140 dmr_72.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4140 dmr_72.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4140 dmr_72.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4140 dmr_72.exe 4140 dmr_72.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4936 wrote to memory of 4140 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 86 PID 4936 wrote to memory of 4140 4936 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54463312 -chipderedesign -d1bc0f921fb049d084bd2a2d646fc458 - -BLUB2 -tdrlgbbkfiesyeku -49362⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4140
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
- Size 540KB
- SHA256 458e218e53e172ba75cca0b33702bfce16301559b1696ae013ce032d5edf1c71
- MD5 de035f243e20e91864efdb82bf72a82b
- SHA1 f6d43c5cd3b5031df1ea87c857dcd392af164054
- SHA512 f22c65b0904ec368de33459d765c1b430af8a34ffc627e2bd9af5f1efe7488ddaca2262d60507753cdbf244d1f071c25bcc29fcde148acedf2e8d20fe686db63
- SSDEEP 12288:qFzOFJ2+l9AlstfWEVKtuHVWHRqBVAcCaMwkls:qFzQJ9TtFKeWHRmBMwkls
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\DMR\tdrlgbbkfiesyeku.dat
- Size 159B
- SHA256 4467ce19fdcf47f876e619f7e64fbf33288569c86d04a50cdabe7b35b4d69ead
- MD5 ceceeb6d621221bd20e6335857b646d6
- SHA1 538c103aac674d78f679e4fb34dbed561e761e18
- SHA512 e18278e5a5ac6ba537c14d7b48e5aa6e546b954655a729995045982961b517d4a56ada4823fa6bb3f3357f3219e922e9e0b091d2aafc46e5ef7a8d78f9e6d87c
- MD5 SHA1 SHA512