dridex | 4e15d93335451a9e73e6a0ab9b2416279a739e2587f5c7563ed0f4a23266f6b4

Analysis

max time kernel
25s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
27-06-2021 13:32

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General

Target

4e15d93335451a9e73e6a0ab9b2416279a739e2587f5c7563ed0f4a23266f6b4.dll
Size

158KB
MD5

e64ecd35e0dab5b540a8ac2cf41ee762
SHA1

573ddb2846f425a0bdc1ef4568c6b79dca46c3c5
SHA256

4e15d93335451a9e73e6a0ab9b2416279a739e2587f5c7563ed0f4a23266f6b4
SHA512

e9b21a18859adc02c81e3ea21b216c57a33c81f4cc9c44cdd657ca1efb0ca25ebc5bdb09009e55610f08edc3af9540d04f900d95cf3e1ca54d3690448d8113fc

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1600-115-0x0000000073530000-0x000000007355D000-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 4000 wrote to memory of 1600	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 1600	4000	rundll32.exe	rundll32.exe
PID 4000 wrote to memory of 1600	4000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e15d93335451a9e73e6a0ab9b2416279a739e2587f5c7563ed0f4a23266f6b4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e15d93335451a9e73e6a0ab9b2416279a739e2587f5c7563ed0f4a23266f6b4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1600

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/1600-114-0x0000000000000000-mapping.dmp

Download
memory/1600-115-0x0000000073530000-0x000000007355D000-memory.dmp

Filesize
180KB

Download
memory/1600-117-0x00000000006A0000-0x000000000074E000-memory.dmp

Filesize
696KB

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