dridex | 3b2e2bb0852d0a073bfeef66b5096b37a201d981005334578fbec15d8224d846

Analysis

max time kernel
85s
max time network
97s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 12:02

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General

Target

1f6900cf_by_Libranalysis.dll
Size

162KB
MD5

1f6900cf5529c273d9ec7c4cf4bc4f37
SHA1

05eec96c67baaf31578dc036acb40ea2a21387c6
SHA256

3b2e2bb0852d0a073bfeef66b5096b37a201d981005334578fbec15d8224d846
SHA512

65994e6af8ad54828c67aa1b5fe471d04d79efb3bbd7a8a07ce4ac6b409f4623fe4f78dcc50016c12ef8389f97511fa30227f6f6275678d8facb6d52ebccd76b

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/2008-61-0x0000000074C90000-0x0000000074CBE000-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 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe
PID 1100 wrote to memory of 2008	1100	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f6900cf_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f6900cf_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2008

Network

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/2008-59-0x0000000000000000-mapping.dmp

Download
memory/2008-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/2008-61-0x0000000074C90000-0x0000000074CBE000-memory.dmp

Filesize
184KB

Download
memory/2008-63-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download