Analysis
- max time kernel
22s - max time network
24s - platform
windows7_x64 - resource
win7v20210410 - submitted
04/08/2021, 23:16
Static task
static1
Behavioral task
behavioral1
Sample
13572ac4e7c7e18d60d9590ccef66950.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
13572ac4e7c7e18d60d9590ccef66950.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target 13572ac4e7c7e18d60d9590ccef66950.exe
- Size 40KB
- Sample210804-4a656hefts
- SHA256 ddb3ea989aeba953c5e62ab710371b75bd78eaee4dff5facf08ef65cd07e9bdf
- MD5 13572ac4e7c7e18d60d9590ccef66950
- SHA1 a3f50640b0b4fc5985f621f17b5d6f05d58ef13a
- SHA512 9fd4e6a375507b6498a1948ad048ea2a54c59454a8f0cd8d80efa717ab09220a3045398207eca8b293b129c03ae810501fc760bce6b5324486c3e68abae99353
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
redline
Botnet
-
forinstalls
C2
-
77.220.213.35:52349
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 3 IoCs
resource yara_rule behavioral1/files/0x00040000000130da-62.dat family_redline behavioral1/files/0x00040000000130da-64.dat family_redline behavioral1/files/0x00040000000130da-65.dat family_redline - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 1648 31d1e0r1.fug.exe - Loads dropped DLL 1 IoCs
pid Process 1996 13572ac4e7c7e18d60d9590ccef66950.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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1648 31d1e0r1.fug.exe 1648 31d1e0r1.fug.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1996 13572ac4e7c7e18d60d9590ccef66950.exe Token: SeDebugPrivilege 1648 31d1e0r1.fug.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1648 1996 13572ac4e7c7e18d60d9590ccef66950.exe 29 PID 1996 wrote to memory of 1648 1996 13572ac4e7c7e18d60d9590ccef66950.exe 29 PID 1996 wrote to memory of 1648 1996 13572ac4e7c7e18d60d9590ccef66950.exe 29 PID 1996 wrote to memory of 1648 1996 13572ac4e7c7e18d60d9590ccef66950.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe"C:\Users\Admin\AppData\Local\Temp\13572ac4e7c7e18d60d9590ccef66950.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\31d1e0r1.fug.exe"C:\Users\Admin\AppData\Local\Temp\31d1e0r1.fug.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648
-