dridex | 38aecec6e5cdea2cc3ce8c509a0f5dde1f7e7d19e985fbc98e2cd3d79d53b201

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 01:02

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General

Target
38aecec6e5cdea2cc3ce8c509a0f5dde1f7e7d19e985fbc98e2cd3d79d53b201.dll
Size 162KB
Sample210417-pcfwlfh96a
SHA256 38aecec6e5cdea2cc3ce8c509a0f5dde1f7e7d19e985fbc98e2cd3d79d53b201
MD5 0aa68ae6b4f5086c23ef32528520b3c7
SHA1 1f1143095f2eccf3453261accdc0f3b7d801e02d
SHA512 d7275f57ad0e0d1998032b466f6427cf0003f97080e4a0b58b95b62e848ea08d82787b7a9da29f8add833def41c845fbd6b28c5fc62220c9e153a9ed3ca23c87
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/804-115-0x0000000073860000-0x000000007388E000-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 2204 wrote to memory of 804	2204	rundll32.exe	72
PID 2204 wrote to memory of 804	2204	rundll32.exe	72
PID 2204 wrote to memory of 804	2204	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38aecec6e5cdea2cc3ce8c509a0f5dde1f7e7d19e985fbc98e2cd3d79d53b201.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38aecec6e5cdea2cc3ce8c509a0f5dde1f7e7d19e985fbc98e2cd3d79d53b201.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:804

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/804-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/804-117-0x0000000003EF0000-0x0000000003EF6000-memory.dmp