dridex | 18769d4763e50eb1c03cb403499e2438ab9245a1f3cecc26ab4828aa3e66ffa8

Analysis

max time kernel
135s
max time network
136s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:03

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General

Target

18769d4763e50eb1c03cb403499e2438ab9245a1f3cecc26ab4828aa3e66ffa8.dll
Size

158KB
MD5

36b98eb3f1e266495b3fdd75c9f8e2b1
SHA1

7e1ca8430cf7e5f04bafd7ffc256524f19a75801
SHA256

18769d4763e50eb1c03cb403499e2438ab9245a1f3cecc26ab4828aa3e66ffa8
SHA512

12eebde43c2129ccad1cebe393d382fe8389687b2a9ca1aed33cf70a726c3b0d0e97ca5d7b6f36b49c81f9e18167bd5d9a8f249866642e245b56c9aed0a6f912

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1504-61-0x0000000074750000-0x000000007477D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1504	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18769d4763e50eb1c03cb403499e2438ab9245a1f3cecc26ab4828aa3e66ffa8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18769d4763e50eb1c03cb403499e2438ab9245a1f3cecc26ab4828aa3e66ffa8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1504

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/1504-59-0x0000000000000000-mapping.dmp

Download
memory/1504-60-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/1504-61-0x0000000074750000-0x000000007477D000-memory.dmp

Filesize
180KB

Download
memory/1504-63-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download