Analysis
- max time kernel
63s - max time network
60s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
17/04/2023, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
2ca34c70583ee9f2d4c7bb83ac5b2da2.exe
Resource
win7-20230220-en
11 signatures
150 seconds
General
- Target 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe
- Size 212KB
- Sample230417-qv874sed39
- SHA256 46f66b6376c7b9466019e3e6b23e46edf488ab96f99b1f6ec0b7ff0a35d02793
- MD5 2ca34c70583ee9f2d4c7bb83ac5b2da2
- SHA1 80f42f481b7665bd48b8d304831ec351177ad03f
- SHA512 b12f638ab8c14ff5430742d5e6abf2edc93bbb755612d4062a45ec7ee4da105e10acd3227afaf3793902bd597d120dfac8ee3b6bd526332c744da64339d98d02
- SSDEEP 3072:o3CDW8B5cxlbmpjIDlwzwTtQpbX1wP0RFn9iq4l5go1gaXI7iMO:qSzcxlbaj+lwzBKPgFnA/oRa47iM
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Downloads MZ/PE file
- Deletes itself 1 IoCs
pid Process 1088 cmd.exe - Loads dropped DLL 2 IoCs
pid Process 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1632 timeout.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1088 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe 28 PID 1144 wrote to memory of 1088 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe 28 PID 1144 wrote to memory of 1088 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe 28 PID 1144 wrote to memory of 1088 1144 2ca34c70583ee9f2d4c7bb83ac5b2da2.exe 28 PID 1088 wrote to memory of 1632 1088 cmd.exe 30 PID 1088 wrote to memory of 1632 1088 cmd.exe 30 PID 1088 wrote to memory of 1632 1088 cmd.exe 30 PID 1088 wrote to memory of 1632 1088 cmd.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ca34c70583ee9f2d4c7bb83ac5b2da2.exe"C:\Users\Admin\AppData\Local\Temp\2ca34c70583ee9f2d4c7bb83ac5b2da2.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2ca34c70583ee9f2d4c7bb83ac5b2da2.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1632
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path \ProgramData\mozglue.dll
- Size 593KB
- SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
- MD5 c8fd9be83bc728cc04beffafc2907fe9
- SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
- SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
- SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
- MD5 SHA1 SHA512 SSDEEP
- Path \ProgramData\nss3.dll
- Size 2.0MB
- SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
- MD5 1cc453cdf74f31e4d913ff9c10acdde2
- SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
- SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
- SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
- MD5 SHA1 SHA512 SSDEEP