Analysis
-
max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
15-11-2022 06:53
Static task
static1
Behavioral task
behavioral1
Sample
bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe
Resource
win10v2004-20220812-en
General
-
Target
bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe
-
Size
368KB
-
MD5
a8b5a827e530c0eccd598e882c45ee16
-
SHA1
56b7d4c0b5022a504696ca5ac17218e88d7869e3
-
SHA256
bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef
-
SHA512
091100a2200e910fad098246cfbb151672074a3b5b32b4facf759e7541cc19b13411cf619730e6befc4aa2b13255de33c48ed23f1adabcd1a167e3a52a2cb5fe
-
SSDEEP
6144:2TouKrWBEu3/Z2lpGDHU3ykJotX+t41/pJ1FBPoWPJ8:2ToPWBv/cpGrU3yVtX+t4Vp/FBgeC
Malware Config
Extracted
redline
5
95.217.102.105:23728
-
auth_value
296895f62ea120f06c6fcec4dcc5ed5b
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\2423.exe family_redline C:\Users\Admin\AppData\Local\Temp\2423.exe family_redline behavioral1/memory/5044-135-0x0000000000E80000-0x0000000000EA8000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
2423.exepid process 5044 2423.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exedescription pid process target process PID 4648 wrote to memory of 5044 4648 bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe 2423.exe PID 4648 wrote to memory of 5044 4648 bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe 2423.exe PID 4648 wrote to memory of 5044 4648 bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe 2423.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe"C:\Users\Admin\AppData\Local\Temp\bc5104f33b5a19b048ddb58e9bae390514d78631341acd9e098ffdb7114dbeef.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2423.exe"C:\Users\Admin\AppData\Local\Temp\2423.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\2423.exeFilesize
137KB
MD5adc399546530652e758999013f00367b
SHA160a843608baf23cc7789c68fc426f20b6dc29b41
SHA25654d46f61cafb33d18862e4045a20d3dd802db35445be84c255bb62a50f5fcb65
SHA5124dcc9a01e98aac84d44d3aa604809438903f2a4d004e01f07ce54a2ac01c55091015567019648c825140a33b4653b38ba9bf13ef1a9ef314c33cb0f18e1c5ad6
-
C:\Users\Admin\AppData\Local\Temp\2423.exeFilesize
137KB
MD5adc399546530652e758999013f00367b
SHA160a843608baf23cc7789c68fc426f20b6dc29b41
SHA25654d46f61cafb33d18862e4045a20d3dd802db35445be84c255bb62a50f5fcb65
SHA5124dcc9a01e98aac84d44d3aa604809438903f2a4d004e01f07ce54a2ac01c55091015567019648c825140a33b4653b38ba9bf13ef1a9ef314c33cb0f18e1c5ad6
-
memory/5044-132-0x0000000000000000-mapping.dmp
-
memory/5044-135-0x0000000000E80000-0x0000000000EA8000-memory.dmpFilesize
160KB
-
memory/5044-136-0x0000000005D90000-0x00000000063A8000-memory.dmpFilesize
6.1MB
-
memory/5044-137-0x0000000005900000-0x0000000005A0A000-memory.dmpFilesize
1.0MB
-
memory/5044-138-0x0000000005830000-0x0000000005842000-memory.dmpFilesize
72KB
-
memory/5044-139-0x00000000058A0000-0x00000000058DC000-memory.dmpFilesize
240KB