dridex | 6461e8668994d9f6cd0df8229362808401c050d4991af5fd85c7dfef6a10a710

Analysis

max time kernel
116s
max time network
117s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:11

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General

Target

6461e8668994d9f6cd0df8229362808401c050d4991af5fd85c7dfef6a10a710.dll
Size

157KB
MD5

08c2a92c32b7910b4b9ea08ae38db620
SHA1

d3a4fb2a2d892f4c4e7d6f39d8acb6f86b885b0a
SHA256

6461e8668994d9f6cd0df8229362808401c050d4991af5fd85c7dfef6a10a710
SHA512

73b598b4e1130c48e56af1127c74cb39f447b454e7cb127da87a765b3119efbe4db0c411dd56e36ec8870a4929bdee23f453b23b818b370b55c44e435a7fcae4

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
behavioral2/memory/4052-115-0x0000000073A70000-0x0000000073A9D000-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 660 wrote to memory of 4052	660	rundll32.exe	rundll32.exe
PID 660 wrote to memory of 4052	660	rundll32.exe	rundll32.exe
PID 660 wrote to memory of 4052	660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6461e8668994d9f6cd0df8229362808401c050d4991af5fd85c7dfef6a10a710.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:660

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6461e8668994d9f6cd0df8229362808401c050d4991af5fd85c7dfef6a10a710.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4052

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/4052-114-0x0000000000000000-mapping.dmp

Download
memory/4052-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

Filesize
180KB

Download
memory/4052-117-0x00000000027C0000-0x000000000290A000-memory.dmp

Filesize
1.3MB

Download