dridex | 3b1086187949d125a1f39fe271a01cd85afbe9800dce13398a85b74e710d4efa

Analysis

max time kernel
70s
max time network
70s
platform
windows10_x64
resource
win10v20210408
submitted
02/05/2021, 22:01

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General

Target
4ece64d2_by_Libranalysis.dll
Size 162KB
Sample210502-8xdstv5pms
SHA256 3b1086187949d125a1f39fe271a01cd85afbe9800dce13398a85b74e710d4efa
MD5 4ece64d239043b4a3386e9d0736e2a42
SHA1 2a22e2ab259a8eb8beae34460818e0f8699c6df6
SHA512 e3bf595ae2d3d559b2021a12795d35423833f1c1ab6e6efaba879b7dc3e8cefec6afcf60058e9c2127f68c9feb2e16059f0948a71cc2ab07272ab2370236d04b
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1152-115-0x00000000738F0000-0x000000007391E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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 856 wrote to memory of 1152	856	rundll32.exe	69
PID 856 wrote to memory of 1152	856	rundll32.exe	69
PID 856 wrote to memory of 1152	856	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ece64d2_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ece64d2_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1152-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1152-117-0x00000000029F0000-0x00000000029F6000-memory.dmp