dridex | 20a1c5385ea0a0d17d861774d4e4b9e6f255663d73d59cdb2f74ba902ef454f6

Analysis

max time kernel
24s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
10/05/2021, 11:02

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General

Target
7d45b89e_by_Libranalysis.dll
Size 162KB
Sample210510-ldewwv82fa
SHA256 20a1c5385ea0a0d17d861774d4e4b9e6f255663d73d59cdb2f74ba902ef454f6
MD5 7d45b89e1ee2ddd18da9440e5d243573
SHA1 eff2ee7cbe90dc074fa2ac0b3bb92f33f10495a8
SHA512 44d5c71d6b21dc3d76039ed6ca7d9b1a3c43d21066c5e46f40ab4fda2dae82ed90691ab273634163e22eaec901cace114f306ab020ccb8a333dea1d21207f8e6
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/1496-115-0x00000000735E0000-0x000000007360E000-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 3968 wrote to memory of 1496	3968	rundll32.exe	47
PID 3968 wrote to memory of 1496	3968	rundll32.exe	47
PID 3968 wrote to memory of 1496	3968	rundll32.exe	47

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d45b89e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d45b89e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1496

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/1496-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Download

memory/1496-117-0x0000000000A00000-0x0000000000B4A000-memory.dmp