dridex | 9b939f0d1dabceba231ab0ca036818ef10a813775d9a12cfc3e854819d7a7cc3

Analysis

max time kernel
41s
max time network
70s
platform
windows7_x64
resource
win7v20201028
submitted
20-11-2020 07:15

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General

Target

ed15f59b17a7ef869377647bbf500718.dll
Size

551KB
MD5

ed15f59b17a7ef869377647bbf500718
SHA1

72a2b09a4cd4c517ab6897386149d6aca291a509
SHA256

9b939f0d1dabceba231ab0ca036818ef10a813775d9a12cfc3e854819d7a7cc3
SHA512

63728cd6cfbbb15256bea25d48855e7ffe8eb83efca81d126863abe3ba2132e2292a35aafd18b827b1b47e48932272724ef65b0eda5a23a993165e632cab77e3

Score

10^/10

dridex 10555 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

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/288-1-0x0000000000310000-0x000000000034D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 288 rundll32.exe
7 288 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
4	288	rundll32.exe
7	288	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 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe
PID 364 wrote to memory of 288	364	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed15f59b17a7ef869377647bbf500718.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed15f59b17a7ef869377647bbf500718.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:288

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/288-0-0x0000000000000000-mapping.dmp

Download
memory/288-1-0x0000000000310000-0x000000000034D000-memory.dmp

Filesize
244KB

Download
memory/1716-2-0x000007FEF5BD0000-0x000007FEF5E4A000-memory.dmp

Filesize
2.5MB

Download