dridex | 15d29220e8ffcf58c96aed0a24677822d7976edbe4dd2e2cd63f31ae3a813d16

Analysis

max time kernel
54s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 19:17

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General

Target
b58f5a0d_by_Libranalysis.dll
Size 162KB
Sample210505-43v2f8b2s6
SHA256 15d29220e8ffcf58c96aed0a24677822d7976edbe4dd2e2cd63f31ae3a813d16
MD5 b58f5a0d326ec4fd501192ccf6a511fb
SHA1 649139bfaf10b2e5b4aa39306b94eae53f116599
SHA512 6e23a52c06ec7437f522de40935f772802517013af4e946d484512d7f094e2cd29f61180f3754b78906a53f9ab16937f48fd920b0b501ff8dbdd7ed7adfcd35f
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/3308-115-0x0000000073660000-0x000000007368E000-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 1828 wrote to memory of 3308	1828	rundll32.exe	71
PID 1828 wrote to memory of 3308	1828	rundll32.exe	71
PID 1828 wrote to memory of 3308	1828	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b58f5a0d_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b58f5a0d_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3308

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/3308-115-0x0000000073660000-0x000000007368E000-memory.dmp

Download

memory/3308-117-0x0000000000950000-0x0000000000956000-memory.dmp