dridex | c2b0e6051167a85365418b56adbc86f968fbdefa526908767e79c52fdf737d4d

Analysis

max time kernel
38s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
13-05-2021 12:58

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General

Target

c2b0e6051167a85365418b56adbc86f968fbdefa526908767e79c52fdf737d4d.dll
Size

162KB
MD5

c49a0ae86efe0d5516f6bdf0f2b64ad5
SHA1

e65c273c7d85c684e061d5f506e04f2547d1c9d4
SHA256

c2b0e6051167a85365418b56adbc86f968fbdefa526908767e79c52fdf737d4d
SHA512

53099340ae1b8b90d2445bce85d0ce7924acba5309ae80e71b34a1948d5ef2f2f6cca8db36d0cf72fd4b45538da4f162d0484406fdb5f479916262e3b98a0118

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

Processes:

resource	yara_rule
behavioral1/memory/4800-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4656 wrote to memory of 4800	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4800	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4800	4656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2b0e6051167a85365418b56adbc86f968fbdefa526908767e79c52fdf737d4d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2b0e6051167a85365418b56adbc86f968fbdefa526908767e79c52fdf737d4d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4800

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/4800-114-0x0000000000000000-mapping.dmp

Download
memory/4800-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4800-117-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

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