dridex | 2ca3107248ddc46686cf3a32a707bb3807d64e5e7a4755c2822c5d00172abab4

Analysis

max time kernel
103s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 21:04

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General

Target
91a8faea_by_Libranalysis.dll
Size 162KB
Sample210503-27965gybpj
SHA256 2ca3107248ddc46686cf3a32a707bb3807d64e5e7a4755c2822c5d00172abab4
MD5 91a8faea52888f32d45c2182a519c5e0
SHA1 259a12704a97e385275a3e70702d478cde6516dc
SHA512 361b5bc11a241a8a73d7c4c8253229d1f00b545bb4f4b7e5b7a9b42a0d0fc681d88051e66d8456df48e869f9a850b2b8b2b4c52dfd206b5d007a2288a59a9c50
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/988-115-0x0000000074300000-0x000000007432E000-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 564 wrote to memory of 988	564	rundll32.exe	68
PID 564 wrote to memory of 988	564	rundll32.exe	68
PID 564 wrote to memory of 988	564	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91a8faea_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91a8faea_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:988

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/988-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/988-117-0x0000000000C40000-0x0000000000C46000-memory.dmp