Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
24-10-2021 05:39
Static task
static1
Behavioral task
behavioral1
Sample
Stumpers.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Stumpers.exe
Resource
win10-en-20211014
General
-
Target
Stumpers.exe
-
Size
389KB
-
MD5
600a6843f8c555c0d54de21596daf2f5
-
SHA1
0cb686583dacfa4d6e5e7309ad323b02df723c16
-
SHA256
a059841f9de1c6f01abf02a6f111f871185ff8cfcbfb8a841bb2401164960fe8
-
SHA512
3bc3ec7ebd5847c88a706cc8fa0b2d741bd2b1ec59de92611e0207791f764e8b29e2f47c391e3827e56c020931e1643ecf1e59939e35111b52fe0c2293ca792f
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/628-121-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral2/memory/628-122-0x0000000000418D66-mapping.dmp family_redline -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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
Processes:
Stumpers.exedescription pid process target process PID 2696 set thread context of 628 2696 Stumpers.exe Stumpers.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Stumpers.exepid process 628 Stumpers.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Stumpers.exedescription pid process Token: SeDebugPrivilege 628 Stumpers.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Stumpers.exedescription pid process target process PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe PID 2696 wrote to memory of 628 2696 Stumpers.exe Stumpers.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Stumpers.exe"C:\Users\Admin\AppData\Local\Temp\Stumpers.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Stumpers.exeC:\Users\Admin\AppData\Local\Temp\Stumpers.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Stumpers.exe.logMD5
41fbed686f5700fc29aaccf83e8ba7fd
SHA15271bc29538f11e42a3b600c8dc727186e912456
SHA256df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437
SHA512234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034
-
memory/628-131-0x0000000006760000-0x0000000006761000-memory.dmpFilesize
4KB
-
memory/628-133-0x00000000067A0000-0x00000000067A1000-memory.dmpFilesize
4KB
-
memory/628-129-0x0000000005A10000-0x0000000005A11000-memory.dmpFilesize
4KB
-
memory/628-130-0x0000000005B50000-0x0000000005B51000-memory.dmpFilesize
4KB
-
memory/628-121-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
-
memory/628-122-0x0000000000418D66-mapping.dmp
-
memory/628-128-0x0000000005930000-0x0000000005931000-memory.dmpFilesize
4KB
-
memory/628-127-0x0000000006840000-0x0000000006841000-memory.dmpFilesize
4KB
-
memory/628-139-0x00000000095C0000-0x00000000095C1000-memory.dmpFilesize
4KB
-
memory/628-138-0x0000000008EC0000-0x0000000008EC1000-memory.dmpFilesize
4KB
-
memory/628-137-0x0000000008B60000-0x0000000008B61000-memory.dmpFilesize
4KB
-
memory/628-136-0x00000000086A0000-0x00000000086A1000-memory.dmpFilesize
4KB
-
memory/628-132-0x0000000005830000-0x0000000005D2E000-memory.dmpFilesize
5.0MB
-
memory/2696-118-0x0000000002860000-0x0000000002861000-memory.dmpFilesize
4KB
-
memory/2696-115-0x00000000005F0000-0x00000000005F1000-memory.dmpFilesize
4KB
-
memory/2696-120-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
-
memory/2696-119-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
-
memory/2696-117-0x0000000004EA0000-0x0000000004EA1000-memory.dmpFilesize
4KB