dridex | 3ca8f27b17a4dfe6b6ad4a7d5f99041e27e96e7c1e305871852811a002859627

Analysis

max time kernel
41s
max time network
49s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 23:22

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General

Target

3ca8f27b17a4dfe6b6ad4a7d5f99041e27e96e7c1e305871852811a002859627.dll
Size

162KB
MD5

793e9a3edc4baac011de93030264926c
SHA1

5417e78cfcfff2b14dfba0b058fdef5704fd8175
SHA256

3ca8f27b17a4dfe6b6ad4a7d5f99041e27e96e7c1e305871852811a002859627
SHA512

3775e27b8d94a02799651293fdb2e8def477b6af180a1a1457d20c56fa10509162bef354a9a3db6f465ac2e8aa3c624e3a52330d9437f3161ec8c481538b0372

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3264-115-0x0000000073EE0000-0x0000000073F0E000-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 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3264	4060	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ca8f27b17a4dfe6b6ad4a7d5f99041e27e96e7c1e305871852811a002859627.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ca8f27b17a4dfe6b6ad4a7d5f99041e27e96e7c1e305871852811a002859627.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3264

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/3264-114-0x0000000000000000-mapping.dmp

Download
memory/3264-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Filesize
184KB

Download
memory/3264-117-0x0000000002C30000-0x0000000002C36000-memory.dmp

Filesize
24KB

Download