Overview
overview
10Static
static
7Chappo_temp.rar
windows7-x64
7Chappo_temp.rar
windows10-2004-x64
3Chappo tem...po.exe
windows7-x64
7Chappo tem...po.exe
windows10-2004-x64
7Chappo tem...ll.bat
windows7-x64
1Chappo tem...ll.bat
windows10-2004-x64
1Chappo tem...an.bat
windows7-x64
10Chappo tem...an.bat
windows10-2004-x64
10Chappo tem...AN.bat
windows7-x64
10Chappo tem...AN.bat
windows10-2004-x64
10Chappo tem...RP.bat
windows7-x64
1Chappo tem...RP.bat
windows10-2004-x64
1Chappo tem...er.exe
windows7-x64
9Chappo tem...er.exe
windows10-2004-x64
9Behavioral task
behavioral1
Sample
Chappo_temp.rar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Chappo_temp.rar
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Chappo temp/Chappo.exe
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
Chappo temp/Chappo.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
Chappo temp/Cleaning/Clean all.bat
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
Chappo temp/Cleaning/Clean all.bat
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
Chappo temp/Cleaning/DeepClean.bat
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
Chappo temp/Cleaning/DeepClean.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
Chappo temp/Cleaning/FNCLEAN.bat
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
Chappo temp/Cleaning/FNCLEAN.bat
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
Chappo temp/Cleaning/FlushARP.bat
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
Chappo temp/Cleaning/FlushARP.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
Chappo temp/Cleaning/applecleaner.exe
Resource
win7-20240508-en
General
-
Target
Chappo_temp.rar
-
Size
15.6MB
-
MD5
bda7bdcb9e1b84cb39428284f9023687
-
SHA1
4d798291da9dff71b01ffd8e849e6da3c50e4616
-
SHA256
a34a51b5b36625e38afa01dd08ea807d1e97351d4792659fcf8faf51c1fe69ce
-
SHA512
61870aad01791fc84c7f3b2dc41be984968f573114ea08dba1e1d1f04bcde95ab15f2c648033b549f151c9e66c8ecc4d67930502386bc705426838c9ac403953
-
SSDEEP
393216:3qIvZiibv5sEVqcPqN5okIXyscugiCSP3iDDm4H2ExgZI5AFq:bvZb5qcPzib7w8DTWxZI5AFq
Malware Config
Signatures
-
resource yara_rule static1/unpack001/Chappo temp/Chappo.exe themida static1/unpack001/Chappo temp/Cleaning/applecleaner.exe themida -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Chappo temp/Chappo.exe unpack001/Chappo temp/Cleaning/applecleaner.exe
Files
-
Chappo_temp.rar.rar
-
Chappo temp/Chappo.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 623KB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 144KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 7.4MB - Virtual size: 8.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 32KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 6.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.6MB - Virtual size: 3.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
-
Chappo temp/Cleaning/Clean all.bat
-
Chappo temp/Cleaning/DeepClean.bat.bat .vbs
-
Chappo temp/Cleaning/FNCLEAN.bat.bat .vbs
-
Chappo temp/Cleaning/FlushARP.bat.bat .vbs
-
Chappo temp/Cleaning/applecleaner.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 54KB - Virtual size: 142KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 12KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 300B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 49KB - Virtual size: 49KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.5MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ