dridex | 1d0f43618c0fb8d669b7440cb8ef3112c07b60cab2d62cd170d32d4841211d3b

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
09/05/2021, 13:02

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General

Target
f5c1e4be_by_Libranalysis.dll
Size 162KB
Sample210509-k38syflyca
SHA256 1d0f43618c0fb8d669b7440cb8ef3112c07b60cab2d62cd170d32d4841211d3b
MD5 f5c1e4be429d2d951b4720ce2cbea1ae
SHA1 0023ff0d58cebcf47e168bb0e81661fdc5123a76
SHA512 52ecf8a7fbf62148916f5fef892c4189e8fff8400ceb1a022e6ae387cd5426690cfc11c6a74ddee47d37e3b2fedbfdfaad95f0d12b93c118372bcce9767bcdd9
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/3960-115-0x00000000742E0000-0x000000007430E000-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 4084 wrote to memory of 3960	4084	rundll32.exe	37
PID 4084 wrote to memory of 3960	4084	rundll32.exe	37
PID 4084 wrote to memory of 3960	4084	rundll32.exe	37

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5c1e4be_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5c1e4be_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3960

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/3960-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Download

memory/3960-117-0x00000000029C0000-0x00000000029C6000-memory.dmp