dridex | 2b92520965d33b5feb3f3e8dcc99bdab480011306ef614c8ec9649e2b3c8c926

Analysis

max time kernel
20s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 13:13

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General

Target
2b92520965d33b5feb3f3e8dcc99bdab480011306ef614c8ec9649e2b3c8c926.dll
Size 162KB
Sample210421-flbchw67sn
SHA256 2b92520965d33b5feb3f3e8dcc99bdab480011306ef614c8ec9649e2b3c8c926
MD5 7d32fac1b8fc5f36e9e7aed4354542dd
SHA1 892dabed0035b90838403516e482892ba7a7e40d
SHA512 13c20f9606d8fa2919899a1113788fdf74b4676fce0a5850fbb0427e2f725a3ba7bd7f38beed67fdff70e280f27c4f3e3ba79c5c7faf3da67e54334f4084ab8c
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/4092-115-0x00000000735E0000-0x000000007360E000-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 3980 wrote to memory of 4092	3980	rundll32.exe	70
PID 3980 wrote to memory of 4092	3980	rundll32.exe	70
PID 3980 wrote to memory of 4092	3980	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b92520965d33b5feb3f3e8dcc99bdab480011306ef614c8ec9649e2b3c8c926.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b92520965d33b5feb3f3e8dcc99bdab480011306ef614c8ec9649e2b3c8c926.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4092

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/4092-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Download

memory/4092-117-0x0000000002BD0000-0x0000000002BD6000-memory.dmp