Overview
overview
7Static
static
3Sulfoxide ...de.exe
windows7-x64
install_all.bat
windows7-x64
7vcredist2005_x64.exe
windows7-x64
7vcredist2005_x86.exe
windows7-x64
7vcredist2008_x64.exe
windows7-x64
7vcredist2008_x86.exe
windows7-x64
7vcredist2010_x64.exe
windows7-x64
7vcredist2010_x86.exe
windows7-x64
7vcredist2012_x64.exe
windows7-x64
7vcredist2012_x86.exe
windows7-x64
7vcredist2013_x64.exe
windows7-x64
7vcredist2013_x86.exe
windows7-x64
7vcredist20...64.exe
windows7-x64
7vcredist20...86.exe
windows7-x64
7Analysis
-
max time kernel
1563s -
max time network
1569s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08-07-2024 19:58
Static task
static1
Behavioral task
behavioral1
Sample
Sulfoxide 1.1/Sulfoxide.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
install_all.bat
Resource
win7-20240705-en
Behavioral task
behavioral3
Sample
vcredist2005_x64.exe
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
vcredist2005_x86.exe
Resource
win7-20240704-en
Behavioral task
behavioral5
Sample
vcredist2008_x64.exe
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
vcredist2008_x86.exe
Resource
win7-20240705-en
Behavioral task
behavioral7
Sample
vcredist2010_x64.exe
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
vcredist2010_x86.exe
Resource
win7-20240705-en
Behavioral task
behavioral9
Sample
vcredist2012_x64.exe
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
vcredist2012_x86.exe
Resource
win7-20240705-en
Behavioral task
behavioral11
Sample
vcredist2013_x64.exe
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
vcredist2013_x86.exe
Resource
win7-20240708-en
Behavioral task
behavioral13
Sample
vcredist2015_2017_2019_2022_x64.exe
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
vcredist2015_2017_2019_2022_x86.exe
Resource
win7-20240705-en
General
-
Target
vcredist2015_2017_2019_2022_x64.exe
-
Size
24.1MB
-
MD5
cdce5d5ee259d8071fa82f522c5c7d6e
-
SHA1
d4f9181e70e3f1aa6c8edffcc15b3c3d4babe36b
-
SHA256
ce6593a1520591e7dea2b93fd03116e3fc3b3821a0525322b0a430faa6b3c0b4
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SHA512
8f86693bf9fb4ee0ba021b826663028158d580a0424417a30d8f95ef8853fcd224b5a213beba5d99b48be0607a0a6870158bf1899fe1445da9ca19a208608527
-
SSDEEP
393216:JBCFpXQn0ZIoLTNOqMJgrBrIIvsHCwmMziQUv4qXvscamEZF/N4fsdx/78YHVkEv:JWpXDWoLTNOqMJcdyDz81Xv//MYkl
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exepid process 2532 vcredist2015_2017_2019_2022_x64.exe -
Loads dropped DLL 2 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exevcredist2015_2017_2019_2022_x64.exepid process 1940 vcredist2015_2017_2019_2022_x64.exe 2532 vcredist2015_2017_2019_2022_x64.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of WriteProcessMemory 7 IoCs
Processes:
vcredist2015_2017_2019_2022_x64.exedescription pid process target process PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe PID 1940 wrote to memory of 2532 1940 vcredist2015_2017_2019_2022_x64.exe vcredist2015_2017_2019_2022_x64.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe"C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\Temp\{35FBAACE-6CE6-4F8E-B4B1-0E635EAA2081}\.cr\vcredist2015_2017_2019_2022_x64.exe"C:\Windows\Temp\{35FBAACE-6CE6-4F8E-B4B1-0E635EAA2081}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=1882⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
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Filesize
635KB
MD5d940ea062ed6e99f6d873c2f5f09d1c9
SHA16abec3341d3bca045542c7b812947b55ddaf6b64
SHA256a0fce2b6c865ae4f00145c9b366c39484daf3160b526c77005e59f6f65adb202
SHA512e4069e41311e8bd4599de0a1bdf0ee0b76316359a0c83ac663c23da8833e5dc0effa260fe8d0e47f4befa94c87fc7bf93bce2b79792abe8befc59acf5401cfe1
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Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2