Overview
overview
7Static
static
3KRNL-REBOR....3.dll
windows7-x64
1KRNL-REBOR....3.dll
windows10-2004-x64
1KRNL-REBOR...ET.dll
windows7-x64
1KRNL-REBOR...ET.dll
windows10-2004-x64
1KRNL-REBOR...ec.lnk
windows7-x64
3KRNL-REBOR...ec.lnk
windows10-2004-x64
3KRNL-REBOR...rn.dll
windows7-x64
1KRNL-REBOR...rn.dll
windows10-2004-x64
3KRNL-REBOR...ss.exe
windows7-x64
7KRNL-REBOR...ss.exe
windows10-2004-x64
7cstealer.pyc
windows7-x64
3cstealer.pyc
windows10-2004-x64
3KRNL-REBOR...xe.xml
windows7-x64
1KRNL-REBOR...xe.xml
windows10-2004-x64
1KRNL-REBOR...ce.lnk
windows7-x64
3KRNL-REBOR...ce.lnk
windows10-2004-x64
3Analysis
-
max time kernel
132s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 06:14
Behavioral task
behavioral1
Sample
KRNL-REBORN/KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
KRNL-REBORN/KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
KRNL-REBORN/KRNL-REBORN/ScintillaNET.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
KRNL-REBORN/KRNL-REBORN/ScintillaNET.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
KRNL-REBORN/KRNL-REBORN/autoexec.lnk
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
KRNL-REBORN/KRNL-REBORN/autoexec.lnk
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
KRNL-REBORN/KRNL-REBORN/krnl-reborn.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
KRNL-REBORN/KRNL-REBORN/krnl-reborn.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral11
Sample
cstealer.pyc
Resource
win7-20240611-en
Behavioral task
behavioral12
Sample
cstealer.pyc
Resource
win10v2004-20240611-en
Behavioral task
behavioral13
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe.xml
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
KRNL-REBORN/KRNL-REBORN/krnlss.exe.xml
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
KRNL-REBORN/KRNL-REBORN/workspace.lnk
Resource
win7-20240611-en
Behavioral task
behavioral16
Sample
KRNL-REBORN/KRNL-REBORN/workspace.lnk
Resource
win10v2004-20240611-en
General
-
Target
cstealer.pyc
-
Size
39KB
-
MD5
b474c8d4816b8cd7121c7b9cdccbcb52
-
SHA1
3f7ddc51d1c2744100390a868ee1f43a5855ed32
-
SHA256
ddbc32ef2e1a4db02c5ddb38d652114c84bba50498b99b217dd5f1062bf88b1e
-
SHA512
44afad8a03901280b34cdd1a459acf083734ef24f0ceedfa538522f6a3844f9d915f93a4a86479ee83b0f4ff56fbe60d18df379578ae0f9e555b07516db69613
-
SSDEEP
768:tKIi8SYkpLWnJssvnTjKmKBbqbQ6WpEASsE5BHHANd4CW8jE7w6DelEYLQ2GPZgj:ezpgJssvnTOHpEASsE5BHHAN/W4E7sLB
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2516 OpenWith.exe