dridex | 288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f

Analysis

max time kernel
19s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
22/06/2021, 05:42

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General

Target
288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.dll
Size 162KB
Sample210622-13xkseybcj
SHA256 288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f
MD5 5fbd07feeec86f824beede4a50425709
SHA1 c3041d95525cccfa2f1ff2de4031889c1cf44733
SHA512 f4d478d6184bf3d1037a4ccbe57af024e1364093d9de9e5796418063c1606249032411b2fb19078d594c913f160afdf40ca37ab6a08a8fb01ca27135c29e5a89
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
behavioral1/memory/1628-115-0x00000000736D0000-0x00000000736FE000-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 3172 wrote to memory of 1628	3172	rundll32.exe	70
PID 3172 wrote to memory of 1628	3172	rundll32.exe	70
PID 3172 wrote to memory of 1628	3172	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\288db44cd5ee49b67422dbe47d45a5ca0ed00b1112993437b4a156de14c90c3f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1628

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/1628-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1628-117-0x0000000003200000-0x000000000334A000-memory.dmp