dridex | 347c5122557dc8e24fb0851b60b8bb03217e968173dd9d5f1c75b5d850758de9

Analysis

max time kernel
21s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 21:23

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General

Target

347c5122557dc8e24fb0851b60b8bb03217e968173dd9d5f1c75b5d850758de9.dll
Size

160KB
MD5

2466434d2aeac8156c54b49a84fbb359
SHA1

0bb70679c117747f2147038836139435fb21ad9a
SHA256

347c5122557dc8e24fb0851b60b8bb03217e968173dd9d5f1c75b5d850758de9
SHA512

a7461d427afebdf119f5473b297b4ca2b0c39edc6c9d1c5977da26ac59b21e1dd95c8a2d8e633f5ba81f129eb160197c6cacabbd6a3ae0a799c18b483ffd0dab

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/748-115-0x0000000073B70000-0x0000000073B9E000-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 3908 wrote to memory of 748	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 748	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 748	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\347c5122557dc8e24fb0851b60b8bb03217e968173dd9d5f1c75b5d850758de9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\347c5122557dc8e24fb0851b60b8bb03217e968173dd9d5f1c75b5d850758de9.dll,#1
2⤵
- Checks whether UAC is enabled
PID:748

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/748-114-0x0000000000000000-mapping.dmp

Download
memory/748-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Filesize
184KB

Download
memory/748-117-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download