Analysis
-
max time kernel
103s -
max time network
103s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-03-2021 19:06
Static task
static1
Behavioral task
behavioral1
Sample
39668b9a757b8630bb93a262b37d28af4f93149c4e58fc0f5867ab8a6b02dce0.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
-
Target
39668b9a757b8630bb93a262b37d28af4f93149c4e58fc0f5867ab8a6b02dce0.dll
-
Size
188KB
-
MD5
8c2873ff2254cfcb93d99e6624a42faa
-
SHA1
35ae7607ba170492222d3b7ead312e3454d9434e
-
SHA256
39668b9a757b8630bb93a262b37d28af4f93149c4e58fc0f5867ab8a6b02dce0
-
SHA512
7ee00ec031591f8894ddb3fd2ff0f24cd233b4b2770d50de63754d53546c1a79784833be5631334d3bba6bd6a353f00657f3e55b47b793ad3c5f2d91a3895aae
Malware Config
Extracted
Family
dridex
Botnet
111
C2
116.251.211.158:443
216.10.242.142:6601
37.247.35.137:6601
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/1192-3-0x00000000743E0000-0x0000000074411000-memory.dmp dridex_ldr behavioral2/memory/1192-5-0x00000000743E0000-0x00000000743FF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 14 1192 rundll32.exe 16 1192 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 636 wrote to memory of 1192 636 rundll32.exe rundll32.exe PID 636 wrote to memory of 1192 636 rundll32.exe rundll32.exe PID 636 wrote to memory of 1192 636 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39668b9a757b8630bb93a262b37d28af4f93149c4e58fc0f5867ab8a6b02dce0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39668b9a757b8630bb93a262b37d28af4f93149c4e58fc0f5867ab8a6b02dce0.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1192-2-0x0000000000000000-mapping.dmp
-
memory/1192-3-0x00000000743E0000-0x0000000074411000-memory.dmpFilesize
196KB
-
memory/1192-4-0x0000000002FF0000-0x0000000002FF6000-memory.dmpFilesize
24KB
-
memory/1192-5-0x00000000743E0000-0x00000000743FF000-memory.dmpFilesize
124KB