Overview
overview
8Static
static
1CmdLine.exe
windows7-x64
5CmdLine.exe
windows10-2004-x64
6Common.dll
windows7-x64
5Common.dll
windows10-2004-x64
5DropBoxExe.exe
windows7-x64
1DropBoxExe.exe
windows10-2004-x64
1StarBurn.dll
windows7-x64
3StarBurn.dll
windows10-2004-x64
3StuffIt14.url
windows7-x64
6StuffIt14.url
windows10-2004-x64
8StuffItConnect.dll
windows7-x64
3StuffItConnect.dll
windows10-2004-x64
3StuffItEngine.dll
windows7-x64
5StuffItEngine.dll
windows10-2004-x64
5Analysis
-
max time kernel
27s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07-02-2023 02:08
Static task
static1
Behavioral task
behavioral1
Sample
CmdLine.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
CmdLine.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
Common.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
Common.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
DropBoxExe.exe
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
DropBoxExe.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
StarBurn.dll
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
StarBurn.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
StuffIt14.url
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
StuffIt14.url
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
StuffItConnect.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
StuffItConnect.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
StuffItEngine.dll
Resource
win7-20221111-en
Behavioral task
behavioral14
Sample
StuffItEngine.dll
Resource
win10v2004-20220812-en
General
-
Target
Common.dll
-
Size
897KB
-
MD5
40fd316520f0573077aacb60aff0fbc6
-
SHA1
4b1e23ba91a049fdc4c97caebc57cac15cb3e9b0
-
SHA256
0d757ca61be427e699d570364fdd5ec6f5fbeb7654dc67b34bb4b46c69466de5
-
SHA512
c5cad12ed7b9fc4b6af099a973438e07c0a994084cad893d34eadcc186559560d728a663054c9cfc49864fa52f88d38428088baae853fd887169be46bee8524c
-
SSDEEP
12288:E6CK1dk6NxNlea9vVBpKZZhYQ6hH6YcSoaZbVAIaJNO:J1d3NlxvVBkOQ6huSoaZbiS
Malware Config
Signatures
-
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
rundll32.exepid process 1764 rundll32.exe 1764 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
rundll32.exepid process 1764 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe PID 1980 wrote to memory of 1764 1980 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Common.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Common.dll,#12⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1764
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1764-54-0x0000000000000000-mapping.dmp
-
memory/1764-55-0x0000000075891000-0x0000000075893000-memory.dmpFilesize
8KB
-
memory/1764-56-0x00000000020A0000-0x00000000066B9000-memory.dmpFilesize
70.1MB
-
memory/1764-57-0x0000000000350000-0x00000000003F2000-memory.dmpFilesize
648KB
-
memory/1764-58-0x00000000020A0000-0x00000000066B9000-memory.dmpFilesize
70.1MB
-
memory/1764-60-0x00000000020A0000-0x00000000066B9000-memory.dmpFilesize
70.1MB
-
memory/1764-59-0x00000000020A0000-0x00000000066B9000-memory.dmpFilesize
70.1MB
-
memory/1764-63-0x00000000020A0000-0x00000000066B9000-memory.dmpFilesize
70.1MB