Analysis
- max time kernel
60s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
30/07/2021, 23:42
Static task
static1
Behavioral task
behavioral1
Sample
MAN/Engine.js
Resource
win7v20210410
Behavioral task
behavioral2
Sample
MAN/Engine.js
Resource
win10v20210408
Behavioral task
behavioral3
Sample
MAN/Installer.exe
Resource
win7v20210410
Behavioral task
behavioral4
Sample
MAN/Installer.exe
Resource
win10v20210410
Behavioral task
behavioral5
Sample
MAN/xNet.dll
Resource
win7v20210408
Behavioral task
behavioral6
Sample
MAN/xNet.dll
Resource
win10v20210410
General
- Target MAN/Installer.exe
- Size 1.6MB
- Sample210730-flyceenazx
- SHA256 2040517dac0b553d4a589bb8c14ca4329022e0ce5e5d0ef0f2c08a2deb10fb5b
- MD5 8a1995805ad65999ec546a1074ac9887
- SHA1 11d5589ca5ebb127ea57b89ee5da89e0b64fa4c6
- SHA512 cad4e187956e4db24d291ea725caf89439440eb97ebe9fa76438b76ada66ecc01a4143bf688c6506ec5148c79338e7f581305d2cb8ad17552c558c62706ae777
- MD5 SHA1 SHA512
Malware Config
Extracted
-
redline
-
mastif
-
91.121.146.23:9519
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral4/memory/680-125-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral4/memory/680-126-0x0000000000418E3A-mapping.dmp family_redline - CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
resource yara_rule behavioral4/memory/1016-122-0x0000000005000000-0x000000000500B000-memory.dmp CustAttr - 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1016 set thread context of 680 1016 Installer.exe 80 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1016 Installer.exe 1016 Installer.exe 680 Installer.exe 680 Installer.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1016 Installer.exe Token: SeDebugPrivilege 680 Installer.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1016 wrote to memory of 3160 1016 Installer.exe 79 PID 1016 wrote to memory of 3160 1016 Installer.exe 79 PID 1016 wrote to memory of 3160 1016 Installer.exe 79 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80 PID 1016 wrote to memory of 680 1016 Installer.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"2⤵PID:3160
-
-
C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"C:\Users\Admin\AppData\Local\Temp\MAN\Installer.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:680
-