dridex | a9ca9c117e1e1e21a1171945a692b66e3f608dcb6bd20a9f8ece898d21b6157e

Analysis

max time kernel
39s
max time network
75s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 23:52

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General

Target

a9ca9c117e1e1e21a1171945a692b66e3f608dcb6bd20a9f8ece898d21b6157e.dll
Size

161KB
MD5

0b093f120751919c403d869b95ca926e
SHA1

284c13638a7df734fb48deef6d0f93933e6563b6
SHA256

a9ca9c117e1e1e21a1171945a692b66e3f608dcb6bd20a9f8ece898d21b6157e
SHA512

625ae653f857f106a1130c60265e838ba4b2ad30ca234c204ddfa6f792102296d22ba73368b0afa2c54af55f80bd9a8f0fb9df6b773e50543da2f8abb011b5ce

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2992-115-0x00000000742E0000-0x000000007430E000-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 3972 wrote to memory of 2992	3972	rundll32.exe	rundll32.exe
PID 3972 wrote to memory of 2992	3972	rundll32.exe	rundll32.exe
PID 3972 wrote to memory of 2992	3972	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9ca9c117e1e1e21a1171945a692b66e3f608dcb6bd20a9f8ece898d21b6157e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9ca9c117e1e1e21a1171945a692b66e3f608dcb6bd20a9f8ece898d21b6157e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2992

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/2992-114-0x0000000000000000-mapping.dmp

Download
memory/2992-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Filesize
184KB

Download
memory/2992-117-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download