dridex | 9a516ebd41131bbd56e636b260ab8665dd30c7b994c9c2f36435d38d30b6f039

Analysis

max time kernel
40s
max time network
48s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:02

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General

Target

9a516ebd41131bbd56e636b260ab8665dd30c7b994c9c2f36435d38d30b6f039.dll
Size

157KB
MD5

54db0ebd77849a2726fa1633f10dd9e0
SHA1

4f62a6317b35c97429a93ece8d5d9c0da5a00a23
SHA256

9a516ebd41131bbd56e636b260ab8665dd30c7b994c9c2f36435d38d30b6f039
SHA512

8e5f1040ae520820a730324177c32e3425b403cb024c7a8275bdeeda44514ce5fada133348806d893f70e8515aa24475339e2082858881bae57b80d52c4b0403

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/3700-115-0x0000000073EE0000-0x0000000073F0D000-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 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a516ebd41131bbd56e636b260ab8665dd30c7b994c9c2f36435d38d30b6f039.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a516ebd41131bbd56e636b260ab8665dd30c7b994c9c2f36435d38d30b6f039.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3700

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/3700-114-0x0000000000000000-mapping.dmp

Download
memory/3700-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

Filesize
180KB

Download
memory/3700-117-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download