dridex | 8b7cde526a71291686d94254b5b5474f54f97b5f5b1a514eec32536ac05f15a8

Analysis

max time kernel
96s
max time network
98s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:09

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General

Target

8b7cde526a71291686d94254b5b5474f54f97b5f5b1a514eec32536ac05f15a8.dll
Size

157KB
MD5

fb1ef6dc28c04ce2b0cb73157702dbca
SHA1

8270fb29c7298156df43364e641cddaf41e36f9b
SHA256

8b7cde526a71291686d94254b5b5474f54f97b5f5b1a514eec32536ac05f15a8
SHA512

50d11aba85a967b01a45a91b18d50d722779f730d5c1e6c2777ffb7d7ffbdc1cfb0480d4b732c5629a94ede2b6babbeb13a9d04efb36ed15c4f5ad7943bd36cf

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/3300-115-0x0000000073B80000-0x0000000073BAD000-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 1840 wrote to memory of 3300	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 3300	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 3300	1840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b7cde526a71291686d94254b5b5474f54f97b5f5b1a514eec32536ac05f15a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b7cde526a71291686d94254b5b5474f54f97b5f5b1a514eec32536ac05f15a8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3300

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/3300-114-0x0000000000000000-mapping.dmp

Download
memory/3300-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Filesize
180KB

Download
memory/3300-117-0x0000000002F00000-0x000000000304A000-memory.dmp

Filesize
1.3MB

Download