Overview
overview
7Static
static
7malzero/#.bat
windows11-21h2-x64
1malzero/Go...ro.url
windows11-21h2-x64
1malzero/Go...ty.url
windows11-21h2-x64
1malzero/abs.bat
windows11-21h2-x64
1malzero/to...sc.exe
windows11-21h2-x64
1malzero/to...kg.exe
windows11-21h2-x64
1malzero/to...sh.exe
windows11-21h2-x64
1malzero/to...ff.exe
windows11-21h2-x64
1malzero/to...ep.exe
windows11-21h2-x64
1malzero/to...ep.exe
windows11-21h2-x64
1malzero/to...jq.exe
windows11-21h2-x64
1malzero/to...ox.exe
windows11-21h2-x64
1malzero/to...ep.exe
windows11-21h2-x64
7malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-1.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
3malzero/to...-0.dll
windows11-21h2-x64
3malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
3malzero/to...-0.dll
windows11-21h2-x64
3malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to...-0.dll
windows11-21h2-x64
1malzero/to..._1.dll
windows11-21h2-x64
3malzero/to..._1.dll
windows11-21h2-x64
1Analysis
-
max time kernel
145s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/02/2024, 16:38
Behavioral task
behavioral1
Sample
malzero/#.bat
Resource
win11-20240214-en
Behavioral task
behavioral2
Sample
malzero/Go to Malware Zero.url
Resource
win11-20240214-en
Behavioral task
behavioral3
Sample
malzero/Go to Virus Zero - Security Community.url
Resource
win11-20240214-en
Behavioral task
behavioral4
Sample
malzero/abs.bat
Resource
win11-20240214-en
Behavioral task
behavioral5
Sample
malzero/tools/binasc/binasc.exe
Resource
win11-20240214-en
Behavioral task
behavioral6
Sample
malzero/tools/cmdbkg/cmdbkg.exe
Resource
win11-20240214-en
Behavioral task
behavioral7
Sample
malzero/tools/dirhash/DirHash.exe
Resource
win11-20240214-en
Behavioral task
behavioral8
Sample
malzero/tools/doff/doff.exe
Resource
win11-20240214-en
Behavioral task
behavioral9
Sample
malzero/tools/grep/x64/grep.exe
Resource
win11-20240214-en
Behavioral task
behavioral10
Sample
malzero/tools/grep/x86/grep.exe
Resource
win11-20240214-en
Behavioral task
behavioral11
Sample
malzero/tools/jq/jq.exe
Resource
win11-20240214-en
Behavioral task
behavioral12
Sample
malzero/tools/messagebox/MessageBox.exe
Resource
win11-20240214-en
Behavioral task
behavioral13
Sample
malzero/tools/nosleep/NoSleep.exe
Resource
win11-20240214-en
Behavioral task
behavioral14
Sample
malzero/tools/openssl/api-ms-win-core-file-l1-2-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral15
Sample
malzero/tools/openssl/api-ms-win-core-file-l2-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral16
Sample
malzero/tools/openssl/api-ms-win-core-localization-l1-2-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral17
Sample
malzero/tools/openssl/api-ms-win-core-processthreads-l1-1-1.dll
Resource
win11-20240214-en
Behavioral task
behavioral18
Sample
malzero/tools/openssl/api-ms-win-core-synch-l1-2-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral19
Sample
malzero/tools/openssl/api-ms-win-core-timezone-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral20
Sample
malzero/tools/openssl/api-ms-win-crt-convert-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral21
Sample
malzero/tools/openssl/api-ms-win-crt-environment-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral22
Sample
malzero/tools/openssl/api-ms-win-crt-filesystem-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral23
Sample
malzero/tools/openssl/api-ms-win-crt-heap-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral24
Sample
malzero/tools/openssl/api-ms-win-crt-locale-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral25
Sample
malzero/tools/openssl/api-ms-win-crt-math-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral26
Sample
malzero/tools/openssl/api-ms-win-crt-runtime-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral27
Sample
malzero/tools/openssl/api-ms-win-crt-stdio-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral28
Sample
malzero/tools/openssl/api-ms-win-crt-string-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral29
Sample
malzero/tools/openssl/api-ms-win-crt-time-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral30
Sample
malzero/tools/openssl/api-ms-win-crt-utility-l1-1-0.dll
Resource
win11-20240214-en
Behavioral task
behavioral31
Sample
malzero/tools/openssl/libcrypto-1_1.dll
Resource
win11-20240214-en
Behavioral task
behavioral32
Sample
malzero/tools/openssl/libssl-1_1.dll
Resource
win11-20240214-en
General
-
Target
malzero/tools/openssl/libcrypto-1_1.dll
-
Size
2.2MB
-
MD5
81fe785349c1a2dce0a66d291503fea9
-
SHA1
ccac6ca60283905b926d6d71702bcc7748623eec
-
SHA256
7d9fef300aa78c812e1849e89a6a25a5f2e235b597b54fe0d776a6c8ccdf688c
-
SHA512
6080d9010357a5bea7094207a72b1a99c25a81ad3e323e63e40c61059714b8036c37209b2bd6555d401028b73a3feee6f772e8a265b38b7d711835ba6bf79e91
-
SSDEEP
49152:Fp3rA+xv5r0bDpddDtv0K8EGzLH1CPwDv3uFV5ns:HTx0dD6K8Lb1CPwDv3uFV5ns
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4120 4508 WerFault.exe 77 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1676 wrote to memory of 4508 1676 rundll32.exe 77 PID 1676 wrote to memory of 4508 1676 rundll32.exe 77 PID 1676 wrote to memory of 4508 1676 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\libcrypto-1_1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\libcrypto-1_1.dll,#12⤵PID:4508
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 5203⤵
- Program crash
PID:4120
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4508 -ip 45081⤵PID:2128