dridex | de3ca380694d6b8bb1a24802438ed2bbee64a3ce0a3df77a0c2ed08db23ffb22

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 08:02

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General

Target
8d65e6b6_by_Libranalysis.dll
Size 162KB
Sample210429-eeqfr7rslx
SHA256 de3ca380694d6b8bb1a24802438ed2bbee64a3ce0a3df77a0c2ed08db23ffb22
MD5 8d65e6b6a04e91592361ecb2b5ab6ad7
SHA1 098bdcb1221f75892fa7d639d272bdb0708d57e1
SHA512 615dccbccdc348c943a46a6519b3fea6839ad14355fc4101a702dec85f9ff8f074ca8a144ac9007035d16c62ff06d0e7afa73d044ccebe206340767656d24f27
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/376-115-0x00000000736D0000-0x00000000736FE000-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 796 wrote to memory of 376	796	rundll32.exe	69
PID 796 wrote to memory of 376	796	rundll32.exe	69
PID 796 wrote to memory of 376	796	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d65e6b6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d65e6b6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:376

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/376-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/376-117-0x00000000027F0000-0x00000000027F6000-memory.dmp