dridex | f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90

Analysis

max time kernel
99s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:01

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General

Target

f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll
Size

162KB
MD5

72e631c2930bf8ae585b85f1ea16e2ba
SHA1

54af46cf0613396acce3aab43d30f97526f44700
SHA256

f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90
SHA512

37e137a8fa22a9bf8ad8a426596c39f3156d653fba7437bb7b0f7b80621eff59d845c973a393e32d24ced0fef76a55159d84dbd58e95f1c7b78f6b1f8a03f4b3

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
behavioral2/memory/4464-115-0x0000000073820000-0x000000007384E000-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 4452 wrote to memory of 4464	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4464	4452	rundll32.exe	rundll32.exe
PID 4452 wrote to memory of 4464	4452	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5244f6dd238f874d7f9bacd7d94e1e004e1a14249e789c6613eca5e245a3d90.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4464

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/4464-114-0x0000000000000000-mapping.dmp

Download
memory/4464-115-0x0000000073820000-0x000000007384E000-memory.dmp

Filesize
184KB

Download
memory/4464-117-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download