dridex | 061c0badfed02c38f958df75d521e1e56874793d0d2a29317f1c625a405de85f

Analysis

max time kernel
132s
max time network
136s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 17:03

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General

Target

061c0badfed02c38f958df75d521e1e56874793d0d2a29317f1c625a405de85f.dll
Size

162KB
MD5

e33b2cf3c4a0a8202f64138cfef8ee39
SHA1

01e0f49c874f65daf308a578ae1ea610883540e2
SHA256

061c0badfed02c38f958df75d521e1e56874793d0d2a29317f1c625a405de85f
SHA512

038894e3d972a07de49914435244b69552b871b71c345e19d2e5963929e0882ad4f84169326278ac5a254a83ac4a6bc4ef391c21271826256a715cd0bd8a1f13

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/1984-62-0x0000000074D70000-0x0000000074D9E000-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 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 1984	1820	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\061c0badfed02c38f958df75d521e1e56874793d0d2a29317f1c625a405de85f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\061c0badfed02c38f958df75d521e1e56874793d0d2a29317f1c625a405de85f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1984

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/1984-60-0x0000000000000000-mapping.dmp

Download
memory/1984-61-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1984-62-0x0000000074D70000-0x0000000074D9E000-memory.dmp

Filesize
184KB

Download
memory/1984-64-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download