dridex | d8ff42f0bdc59bb5fd1f3134c7cb56a5cd1e055638c676760c903dd395fa2c36

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 02:28

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General

Target

d8ff42f0bdc59bb5fd1f3134c7cb56a5cd1e055638c676760c903dd395fa2c36.dll
Size

162KB
MD5

57050946346651021b41024cf0a611b6
SHA1

3a04cf483dbc155a4f0e03617897f989546695d2
SHA256

d8ff42f0bdc59bb5fd1f3134c7cb56a5cd1e055638c676760c903dd395fa2c36
SHA512

82297f9da2fcaedc7d4db3c8234ea66c4e641e659582c69993079eb5468ff25b2fcd1388bcae30213b2a15c6bac319ab2dca0578faa2b2c5f48c7d8a0b7c8604

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/4700-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4700	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4700	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4700	4656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8ff42f0bdc59bb5fd1f3134c7cb56a5cd1e055638c676760c903dd395fa2c36.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8ff42f0bdc59bb5fd1f3134c7cb56a5cd1e055638c676760c903dd395fa2c36.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4700

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/4700-114-0x0000000000000000-mapping.dmp

Download
memory/4700-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4700-117-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download