Analysis
-
max time kernel
97s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2023, 03:49
Static task
static1
Behavioral task
behavioral1
Sample
deflated-rufus_Installer.exe
Resource
win7-20220812-en
General
-
Target
deflated-rufus_Installer.exe
-
Size
2.6MB
-
MD5
9814a046255e18128a7605b718efca93
-
SHA1
5d83e5f3931720fce6ccb43186391f3114124679
-
SHA256
047528fe2e0b207d93b51f21109eea05ece9bec290c8ddf22a09301bf262735a
-
SHA512
bf2f9346bc2296542ae6818df770ad922034e40eb35928c513189edb81df52a7f6b8f53b0b645785902c8ed30f2f578a5361d8bb6ebb8883d5d5f794d3bb20f0
-
SSDEEP
49152:3mJQWFAlO5SRY8mYzbNKrFtbrR4S2EypQ2QbQQ69cE:2HAOTYvYbDypQ2QbOF
Malware Config
Extracted
redline
new
194.87.71.146:49144
-
auth_value
4c1607b6fe3d7ff96ea7cf54c0ad912c
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation deflated-rufus_Installer.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.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4940 set thread context of 3552 4940 deflated-rufus_Installer.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1240 powershell.exe 1240 powershell.exe 3552 deflated-rufus_Installer.exe 3552 deflated-rufus_Installer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4940 deflated-rufus_Installer.exe Token: SeDebugPrivilege 1240 powershell.exe Token: SeDebugPrivilege 3552 deflated-rufus_Installer.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1240 4940 deflated-rufus_Installer.exe 81 PID 4940 wrote to memory of 1240 4940 deflated-rufus_Installer.exe 81 PID 4940 wrote to memory of 1240 4940 deflated-rufus_Installer.exe 81 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89 PID 4940 wrote to memory of 3552 4940 deflated-rufus_Installer.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\deflated-rufus_Installer.exe"C:\Users\Admin\AppData\Local\Temp\deflated-rufus_Installer.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240
-
-
C:\Users\Admin\AppData\Local\Temp\deflated-rufus_Installer.exeC:\Users\Admin\AppData\Local\Temp\deflated-rufus_Installer.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5c61622c508fb5668245f178cd2f9da9e
SHA17f5476c0bf937674de3724629db92ab932b5e690
SHA256150522caec3cb958b51d267dca946b3449fe21a5bd12eee64b4f8fe8029fa877
SHA51238d21503a249be8b36f4424c8378ef2f68b4f8497f110ec332a5024f4f67b8b5f26cfdcda8d4fa5373fd587f951d5c82e6880d7884caefc6ebf6d1565edf1a48