Analysis
-
max time kernel
18s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
29-06-2021 04:11
Static task
static1
General
-
Target
fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll
-
Size
162KB
-
MD5
2ea402be17b1ad3cf3e92031eda1eabf
-
SHA1
aacf375368f3884a64573478ea4d258a3a952c10
-
SHA256
fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2
-
SHA512
7c1c17abed3d96fc000c57cbe061104e468b196574907e54cfbf2e0c548297c27c284a90d302c6db0acf6cdbca3a0c37415b9b939a5cded5dc40a7d583dfc631
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/4016-115-0x00000000736B0000-0x00000000736DE000-memory.dmp dridex_ldr -
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 2752 wrote to memory of 4016 2752 rundll32.exe rundll32.exe PID 2752 wrote to memory of 4016 2752 rundll32.exe rundll32.exe PID 2752 wrote to memory of 4016 2752 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll,#12⤵
- Checks whether UAC is enabled
PID:4016