Overview
overview
8Static
static
7Crusher.bat
windows7-x64
8Crusher.bat
windows10-2004-x64
8freddurstpayload.bat
windows7-x64
8freddurstpayload.bat
windows10-2004-x64
8laughpayload.bat
windows7-x64
8laughpayload.bat
windows10-2004-x64
8lol.vbs
windows7-x64
1lol.vbs
windows10-2004-x64
1nircmd.exe
windows7-x64
7nircmd.exe
windows10-2004-x64
7windowpayload.bat
windows7-x64
8windowpayload.bat
windows10-2004-x64
8Behavioral task
behavioral1
Sample
Crusher.bat
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
Crusher.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
freddurstpayload.bat
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
freddurstpayload.bat
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
laughpayload.bat
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
laughpayload.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
lol.vbs
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
lol.vbs
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
nircmd.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
nircmd.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral11
Sample
windowpayload.bat
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
windowpayload.bat
Resource
win10v2004-20240508-en
General
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Target
Crusher.zip
-
Size
20.8MB
-
MD5
05c3c22bcf1e3132fa613060371f14aa
-
SHA1
812828415b9b83f4f24584dc19aa44c78394e459
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SHA256
a799783600bfc7c93074b7eace12f1ba2aed930e2beb67388e5b2158fe0b5ef6
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SHA512
b6f8004ef7800f4fb847bc5f1dfa4cef2df9039d3644c429499e1dacaef6a278cd78fc4ae6df613bfe64852977412cafd607c79c9306e369f8e9e79c5aa325c3
-
SSDEEP
393216:zun/86YQXECB1405XVMPxzNc8+M8FOKfefC1Cpjg5gkWk4tuJ:i/86YFO1b5XVMjLh8FP2p0nituJ
Malware Config
Signatures
-
resource yara_rule static1/unpack001/nircmd.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/nircmd.exe unpack002/out.upx
Files
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Crusher.zip.zip
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Crusher.bat
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freddurstpayload.bat.bat .vbs
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input.jpg.jpg
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laugh.mp3
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laughpayload.bat
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lol.vbs
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nircmd.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 41KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 18KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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windowpayload.bat