dridex | 962920e3bbd29ef66c0b0495bc535d8f123a06599c01955678f1f2f3f3f950f6

Analysis

max time kernel
42s
max time network
50s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:02

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General

Target

962920e3bbd29ef66c0b0495bc535d8f123a06599c01955678f1f2f3f3f950f6.dll
Size

157KB
MD5

7df93c910d4c00709b2e6dbc246cfe35
SHA1

382dd835060a8f7a933b422cb117c20d4e3c4851
SHA256

962920e3bbd29ef66c0b0495bc535d8f123a06599c01955678f1f2f3f3f950f6
SHA512

5c424e1c5d8e42604264e1ec716e71a5d6d05dc9aa02578ae7acffe22e7399adf27a99885ecaed0402533ae188995b36fca83f1f6009f5676284e2f04115a24d

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/3532-115-0x0000000073860000-0x000000007388D000-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 1824 wrote to memory of 3532	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 3532	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 3532	1824	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\962920e3bbd29ef66c0b0495bc535d8f123a06599c01955678f1f2f3f3f950f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\962920e3bbd29ef66c0b0495bc535d8f123a06599c01955678f1f2f3f3f950f6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3532

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/3532-114-0x0000000000000000-mapping.dmp

Download
memory/3532-115-0x0000000073860000-0x000000007388D000-memory.dmp

Filesize
180KB

Download
memory/3532-117-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download