dridex | 59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9

Analysis

max time kernel
51s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
11-11-2020 11:05

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General

Target

59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll
Size

1.2MB
MD5

ff65be4cf611293ec463d7902335d2e5
SHA1

a6c0295c1146db9ec0e5f206687891eeff94a4a8
SHA256

59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9
SHA512

e69927547ca0326938a948c4215512100aeccd6d53c35906c4f8f4837063c23fde5896d2908715ea94d3ed0c7023984f57785db63ec55672077300c4cf706602

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

94.126.8.2:443

37.187.161.206:33443

209.59.199.129:4443

157.245.130.146:3786

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
behavioral2/memory/1040-1-0x0000000073CC0000-0x0000000073CFD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

19 1040 rundll32.exe
21 1040 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
19	1040	rundll32.exe
21	1040	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 412 wrote to memory of 1040	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 1040	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 1040	412	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:412

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1040-0-0x0000000000000000-mapping.dmp

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memory/1040-1-0x0000000073CC0000-0x0000000073CFD000-memory.dmp

Filesize
244KB

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