dridex | 49c48ee0386bb21cfc39effe5a7e6f06398921ffda0f65864d66ae883808731c

General

Target

43a7af68ffc6179746706607b89fc996.dll
Size

750KB
MD5

43a7af68ffc6179746706607b89fc996
SHA1

706cef2b7cd473da26b35306dd3e5533741d603e
SHA256

49c48ee0386bb21cfc39effe5a7e6f06398921ffda0f65864d66ae883808731c
SHA512

83c1e5ab86aab3ad5f1d9b76ae382f675a41138ce2b8e5277461c751d333fb3dca01d371411506ebd1aed1ff6e97861ab85aa487f1efca511223392bd6cfe632

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 1668 rundll32.exe
6 1668 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
3	1668	rundll32.exe
6	1668	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 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1668	1704	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43a7af68ffc6179746706607b89fc996.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43a7af68ffc6179746706607b89fc996.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1668-55-0x0000000000000000-mapping.dmp

Download
memory/1668-56-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1668-57-0x0000000074B30000-0x0000000074BF9000-memory.dmp

Filesize
804KB

Download
memory/1668-58-0x0000000074B30000-0x0000000074B6D000-memory.dmp

Filesize
244KB

Download
memory/1668-59-0x0000000074B30000-0x0000000074BF9000-memory.dmp

Filesize
804KB

Download
memory/1668-61-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

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