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
144s -
max time network
149s -
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/api-ms-win-crt-utility-l1-1-0.dll
-
Size
18KB
-
MD5
d6abf5c056d80592f8e2439e195d61ac
-
SHA1
33f793fd6a28673e766ad11ee1cf8eb8ef351bc0
-
SHA256
8858d883d180cea63e3bf4a3f5bc9e0f9fa16c9a35a84c4efe65308cea13a364
-
SHA512
6678f17f2274aabba5279ba40a0159ff8a54241d811845a48d845172f4aa6f7397cfd07bf2368299a613df1f3ff12e06c0e62c26683dfb08d82122609c3a3f62
-
SSDEEP
192:XY9fHQduPWVghW/EgbXH9YOCAs/nGfe4pBjSfbxaWNArXVWQ4mW0qnajMHxxBNTM:ef5W2hWcgbCA0GftpBjuYDlI663UD
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3600 wrote to memory of 4916 3600 rundll32.exe 81 PID 3600 wrote to memory of 4916 3600 rundll32.exe 81 PID 3600 wrote to memory of 4916 3600 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\api-ms-win-crt-utility-l1-1-0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\api-ms-win-crt-utility-l1-1-0.dll,#12⤵PID:4916
-