Overview
overview
10Static
static
10da298e4d09...78.zip
windows7-x64
1da298e4d09...78.zip
windows10-2004-x64
1oleObject1.exe
windows7-x64
10oleObject1.exe
windows10-2004-x64
10ppt\embedd...3.pptx
windows7-x64
1ppt\embedd...3.pptx
windows10-2004-x64
1ppt\vbaProject.doc
windows7-x64
1ppt\vbaProject.doc
windows10-2004-x64
1Behavioral task
behavioral1
Sample
da298e4d09a9e151c6bf60e8ebfdd8fc2e633d078c705db768e3284acdad0678.zip
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
da298e4d09a9e151c6bf60e8ebfdd8fc2e633d078c705db768e3284acdad0678.zip
Resource
win10v2004-20231127-en
Behavioral task
behavioral3
Sample
oleObject1.exe
Resource
win7-20231201-en
Behavioral task
behavioral4
Sample
oleObject1.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral5
Sample
ppt\embeddings\oleObject3.pptx
Resource
win7-20231130-en
Behavioral task
behavioral6
Sample
ppt\embeddings\oleObject3.pptx
Resource
win10v2004-20231130-en
Behavioral task
behavioral7
Sample
ppt\vbaProject.doc
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
ppt\vbaProject.doc
Resource
win10v2004-20231127-en
General
-
Target
e05cfdcd11105776fb13edd620795551.bin
-
Size
3.6MB
-
MD5
d8029452fd5c4f3d37810cf48344f50a
-
SHA1
cfc2911ddeb3ac6051f194a5086f94b4ed1b2a1b
-
SHA256
a3e76ecc8bb072355f3007af38d7645b880c9c9572cf7873bacefa6376d6495c
-
SHA512
a65e8fda4e4b160fcd53c1690f966bccc7ee36ec2e68bc32a3ad607e3a778550da94b38a4fa353c841e6e37a632738ad2ca221a4e489fa1cb49169ac3cdf2b87
-
SSDEEP
49152:+MFBGH5UUt9KPUKgPbjcwbAvH8iJ67euEPxKddjh9dYYSRyflvpOksHAv1e2e/HN:+M/SKifPb4wbAzJ3wF001y/1HP
Malware Config
Extracted
crimsonrat
204.44.124.81
Signatures
-
Crimsonrat family
-
Office macro that triggers on suspicious action 1 IoCs
Office document macro which triggers in special circumstances - often malicious.
resource yara_rule static1/unpack002/ppt\vbaProject.bin office_macro_on_action -
resource static1/unpack002/ppt\vbaProject.bin -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack004/oleObject1.bin
Files
-
e05cfdcd11105776fb13edd620795551.bin.zip
Password: infected
-
da298e4d09a9e151c6bf60e8ebfdd8fc2e633d078c705db768e3284acdad0678.zip.ppam .zip office2007
Password: infected
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[Content_Types].xml.xml
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_rels\.rels.xml
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ppt\_rels\presentation.xml.rels.xml
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ppt\embeddings\oleObject1.bin.zip
Password: infected
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oleObject1.zip.zip
Password: infected
-
oleObject1.bin.exe windows:4 windows x86 arch:x86
Password: infected
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 16.9MB - Virtual size: 16.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
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
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ppt\embeddings\oleObject3.bin.pptx office2007
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ppt\vbaProject.bin.doc windows office2003
Module1