Overview
overview
10Static
static
10Bullet-main/build.py
windows7-x64
3Bullet-main/build.py
windows10-2004-x64
3Bullet-main/main.py
windows7-x64
3Bullet-main/main.py
windows10-2004-x64
3Bullet-main/start.bat
windows7-x64
10Bullet-main/start.bat
windows10-2004-x64
10Bullet-mai...gen.py
windows7-x64
3Bullet-mai...gen.py
windows10-2004-x64
3Bullet-mai...dez.py
windows7-x64
3Bullet-mai...dez.py
windows10-2004-x64
3Bullet-mai...ter.py
windows7-x64
3Bullet-mai...ter.py
windows10-2004-x64
3Bullet-mai...yer.py
windows7-x64
5Bullet-mai...yer.py
windows10-2004-x64
3Bullet-mai...er.exe
windows7-x64
10Bullet-mai...er.exe
windows10-2004-x64
10Bullet-mai...kup.py
windows7-x64
3Bullet-mai...kup.py
windows10-2004-x64
3Bullet-mai...kup.py
windows7-x64
3Bullet-mai...kup.py
windows10-2004-x64
3Bullet-mai...sdm.py
windows7-x64
3Bullet-mai...sdm.py
windows10-2004-x64
3Bullet-mai...kup.py
windows7-x64
3Bullet-mai...kup.py
windows10-2004-x64
3Bullet-mai...ker.py
windows7-x64
3Bullet-mai...ker.py
windows10-2004-x64
3Bullet-mai...pam.py
windows7-x64
3Bullet-mai...pam.py
windows10-2004-x64
3Behavioral task
behavioral1
Sample
Bullet-main/build.py
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Bullet-main/build.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
Bullet-main/main.py
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Bullet-main/main.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
Bullet-main/start.bat
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
Bullet-main/start.bat
Resource
win10v2004-20240704-en
Behavioral task
behavioral7
Sample
Bullet-main/util/ccgen.py
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
Bullet-main/util/ccgen.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
Bullet-main/util/codez.py
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
Bullet-main/util/codez.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
Bullet-main/util/deleter.py
Resource
win7-20240705-en
Behavioral task
behavioral12
Sample
Bullet-main/util/deleter.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
Bullet-main/util/destroyer.py
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
Bullet-main/util/destroyer.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
Bullet-main/util/installer.exe
Resource
win7-20240704-en
Behavioral task
behavioral16
Sample
Bullet-main/util/installer.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral17
Sample
Bullet-main/util/iplookup.py
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
Bullet-main/util/iplookup.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
Bullet-main/util/lookup.py
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
Bullet-main/util/lookup.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
Bullet-main/util/massdm.py
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
Bullet-main/util/massdm.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral23
Sample
Bullet-main/util/slookup.py
Resource
win7-20240704-en
Behavioral task
behavioral24
Sample
Bullet-main/util/slookup.py
Resource
win10v2004-20240709-en
Behavioral task
behavioral25
Sample
Bullet-main/util/snuker.py
Resource
win7-20240705-en
Behavioral task
behavioral26
Sample
Bullet-main/util/snuker.py
Resource
win10v2004-20240704-en
Behavioral task
behavioral27
Sample
Bullet-main/util/spam.py
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
Bullet-main/util/spam.py
Resource
win10v2004-20240709-en
General
-
Target
Bullet-main.zip
-
Size
66KB
-
MD5
ff8ed9ebbf942ff4667b3979335f6ebf
-
SHA1
62cc5951a4d1f1bee3f154fb1ba42d464b867512
-
SHA256
ab4fd06868bb9afd2ffb601a4f6294333ea5b9377d08285a1ef616fe73064618
-
SHA512
b34bec5f4a9814ca69111bd7ed70a72ebf896f40e4a1f46ed9d2b33dbc9aa0cca90b4e0368a95d9f2fb39f1a20cbb86810bd9c05a0665b65fbc53353ecd96b4f
-
SSDEEP
1536:sfCt5FrmDlkw1rJd+PMGicxQwGVshYBlMwXJOXEFqRhX:hqDlk+FG/xQwG+mM68XEQZ
Malware Config
Extracted
xworm
bulletingmarrano-45523.portmap.host:45523
-
Install_directory
%AppData%
-
install_file
RuntimeBroker.exe
Signatures
-
Detect Xworm Payload 1 IoCs
resource yara_rule static1/unpack001/Bullet-main/util/installer.exe family_xworm -
Xworm family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Bullet-main/util/installer.exe
Files
-
Bullet-main.zip.zip
-
Bullet-main/README.md
-
Bullet-main/build.py
-
Bullet-main/main.py
-
Bullet-main/requirements.txt
-
Bullet-main/start.bat
-
Bullet-main/util/ccgen.py
-
Bullet-main/util/codez.py
-
Bullet-main/util/deleter.py
-
Bullet-main/util/destroyer.py
-
Bullet-main/util/installer.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 83KB - Virtual size: 82KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
Bullet-main/util/iplookup.py
-
Bullet-main/util/lookup.py
-
Bullet-main/util/massdm.py
-
Bullet-main/util/slookup.py
-
Bullet-main/util/snuker.py
-
Bullet-main/util/spam.py