dridex | 5d5555ebf3e54a2d77ff66047a1bce9fe91e63a3dc7e6686a29eb26cb6cfd6b0

Analysis

max time kernel
94s
max time network
95s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 20:31

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General

Target
5d5555ebf3e54a2d77ff66047a1bce9fe91e63a3dc7e6686a29eb26cb6cfd6b0.dll
Size 162KB
Sample210419-a3c8e6p5d2
SHA256 5d5555ebf3e54a2d77ff66047a1bce9fe91e63a3dc7e6686a29eb26cb6cfd6b0
MD5 ffcbdc94f8f57d689d32cf8b44fc6172
SHA1 8d719de83947dd57795e7e1f224793e7e8361b62
SHA512 67a471a4a8d499eec68c798f8d32b09758d350934a4713e23615416f42e8a9a41547c97c5ec6fd489baff631b3216af5d65215a9e10e8ba12b26e01376b31a6e
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/1136-115-0x00000000738F0000-0x000000007391E000-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 860 wrote to memory of 1136	860	rundll32.exe	69
PID 860 wrote to memory of 1136	860	rundll32.exe	69
PID 860 wrote to memory of 1136	860	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d5555ebf3e54a2d77ff66047a1bce9fe91e63a3dc7e6686a29eb26cb6cfd6b0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d5555ebf3e54a2d77ff66047a1bce9fe91e63a3dc7e6686a29eb26cb6cfd6b0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1136

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/1136-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1136-117-0x0000000001300000-0x0000000001306000-memory.dmp