dridex | 9d07e2b0957012911e89f2427deba72c384187d97f0756c2f1751372f44d825b

Analysis

max time kernel
104s
max time network
106s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

9d07e2b0957012911e89f2427deba72c384187d97f0756c2f1751372f44d825b.dll
Size

154KB
MD5

27b54423ea030486452b0694e56e9cfa
SHA1

779c24cbec79586e5e3a534f3ad253fece9bfd58
SHA256

9d07e2b0957012911e89f2427deba72c384187d97f0756c2f1751372f44d825b
SHA512

df4a66ea5281f55ab9529acf6619b166ed402060867ae1d14373d2240b94fc3246d76b0d322a3d662ccbf2586320769d747d391d08447ab85d28a2e185d1927c

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1816-115-0x0000000073990000-0x00000000739BD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1456 wrote to memory of 1816	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1816	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1816	1456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d07e2b0957012911e89f2427deba72c384187d97f0756c2f1751372f44d825b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d07e2b0957012911e89f2427deba72c384187d97f0756c2f1751372f44d825b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1816

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1816-114-0x0000000000000000-mapping.dmp

Download
memory/1816-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/1816-117-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download