dridex | 8cf7fdd6fd1e97349dc0e358b45572dfa02b5dd47560b8f23fc15fbc806c1c59

Analysis

max time kernel
115s
max time network
120s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

8cf7fdd6fd1e97349dc0e358b45572dfa02b5dd47560b8f23fc15fbc806c1c59.dll
Size

154KB
MD5

ecc43be3a5b5e8416b248abf29c71f82
SHA1

d8b47eadb26bc60390e3a608bc6c7f44bb6bdb6b
SHA256

8cf7fdd6fd1e97349dc0e358b45572dfa02b5dd47560b8f23fc15fbc806c1c59
SHA512

d49eb721a84c0c6be358eb39a2ba66a7ae84ba18d8c9432b150f408b7e9a954a99446cbb434ffe4534053d5db0938470259f448576e1b501a0ff1013fa100b27

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral1/memory/3964-115-0x0000000073620000-0x000000007364D000-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 584 wrote to memory of 3964	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 3964	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 3964	584	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cf7fdd6fd1e97349dc0e358b45572dfa02b5dd47560b8f23fc15fbc806c1c59.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cf7fdd6fd1e97349dc0e358b45572dfa02b5dd47560b8f23fc15fbc806c1c59.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3964

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/3964-114-0x0000000000000000-mapping.dmp

Download
memory/3964-115-0x0000000073620000-0x000000007364D000-memory.dmp

Filesize
180KB

Download
memory/3964-117-0x0000000003120000-0x0000000003126000-memory.dmp

Filesize
24KB

Download