dridex | 946a18c2ce963d116306d4ee8ff262a0e6e96041ad5e4b26bcd8def7fba5ce67

Analysis

max time kernel
135s
max time network
138s
platform
windows10_x64
resource
win10v20210408
submitted
28/04/2021, 16:09

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General

Target
57e2ca4e_by_Libranalysis.dll
Size 162KB
Sample210428-gmf5qt4gex
SHA256 946a18c2ce963d116306d4ee8ff262a0e6e96041ad5e4b26bcd8def7fba5ce67
MD5 57e2ca4e03b912979274d953ac2d29b7
SHA1 37bb5e8e5d83f04fb9e20f6cdcd0b14ef3ce38f4
SHA512 29bb8c83eb73cba6bb1aef7afe6cfcfbae284be086238163adaec279d1647ed6f791b3d295c03ec35a99e8f464f587bf448c32a42b3af0e3cc01d9646c975215
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/604-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 604	644	rundll32.exe	69
PID 644 wrote to memory of 604	644	rundll32.exe	69
PID 644 wrote to memory of 604	644	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e2ca4e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\57e2ca4e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:604

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/604-115-0x0000000074310000-0x000000007433E000-memory.dmp

Download

memory/604-117-0x0000000002C00000-0x0000000002C06000-memory.dmp