Analysis
- max time kernel
50s - max time network
134s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/03/2021, 17:55
Static task
static1
Behavioral task
behavioral1
Sample
ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll
Resource
win7v20201028
0 signatures
0 seconds
General
- Target ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll
- Size 208KB
- Sample210317-7ln3am2ej2
- SHA256 ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281
- MD5 bb3794c2101eab8b3993eb9eda475500
- SHA1 626d0aa5894cf5d9fc31c5d4a6a9ce35da0bc345
- SHA512 3e0318be60ac5520b7146e91270c0a2f4e92fae282e93cb23d2356902efd4983b6438b015f9627e443e558d973a41961d560e0622af2965c35702f67c7d2ee75
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
111
C2
-
77.220.64.137:443
-
66.228.134.180:6601
-
199.204.214.26:7073
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/1212-3-0x00000000738B0000-0x00000000738E6000-memory.dmp dridex_ldr behavioral2/memory/1212-5-0x00000000738B0000-0x00000000738D1000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1148 wrote to memory of 1212 1148 rundll32.exe 46 PID 1148 wrote to memory of 1212 1148 rundll32.exe 46 PID 1148 wrote to memory of 1212 1148 rundll32.exe 46
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ffff680f92e981760123b6a1efe0b810a970a0f39a1de5d57c3a5f230a5ff281.dll,#12⤵
- Checks whether UAC is enabled
PID:1212
-