dridex | 966c7f400a53e65c818d9c41363cb59fda2b0a1f2d22f8958436f6bdba6d1464

Analysis

max time kernel
36s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 03:02

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General

Target
604a51fe_by_Libranalysis.dll
Size 162KB
Sample210507-nglr2mdlqa
SHA256 966c7f400a53e65c818d9c41363cb59fda2b0a1f2d22f8958436f6bdba6d1464
MD5 604a51fe328b5ee20b49d76ce7b8639f
SHA1 3c245a9f9803c30b75d1a4ce5809b884bec0e9a9
SHA512 c8eac9fce9a4db211736b925aa861dc4dccce2ca964fb5924fd147d911801c6086cf224ebb2ea8e0d875873377affe2f759804d135d7bcbaf76259847810c8a9
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/3704-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 3704	4044	rundll32.exe	71
PID 4044 wrote to memory of 3704	4044	rundll32.exe	71
PID 4044 wrote to memory of 3704	4044	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\604a51fe_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\604a51fe_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3704

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/3704-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3704-117-0x0000000000830000-0x0000000000836000-memory.dmp