dridex | 146b91a5759aaac4619af9ce08b7b25d404e4957897e0e5268bbff218d1d5a40

General

Target

146b91a5759aaac4619af9ce08b7b25d404e4957897e0e5268bbff218d1d5a40.dll
Size

750KB
MD5

9d845b25c16aa6ce9217f13f5b06f6e9
SHA1

477f18e3945663cc41a9ac6c04a3b4d5ad159624
SHA256

146b91a5759aaac4619af9ce08b7b25d404e4957897e0e5268bbff218d1d5a40
SHA512

6276ded6bb6912ac043ea6d7dd90560705fcf6707947ea96cfbdfad87c1e7518be2e1b3376c7fe0906aaf649f45d27bd81de1b33d6f562a89ba327ba15931a3a

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

26 1488 rundll32.exe
27 1488 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
26	1488	rundll32.exe
27	1488	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 1376 wrote to memory of 1488	1376	rundll32.exe	rundll32.exe
PID 1376 wrote to memory of 1488	1376	rundll32.exe	rundll32.exe
PID 1376 wrote to memory of 1488	1376	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\146b91a5759aaac4619af9ce08b7b25d404e4957897e0e5268bbff218d1d5a40.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\146b91a5759aaac4619af9ce08b7b25d404e4957897e0e5268bbff218d1d5a40.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1488

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/1488-115-0x0000000000000000-mapping.dmp

Download
memory/1488-116-0x0000000073C50000-0x0000000073D19000-memory.dmp

Filesize
804KB

Download
memory/1488-118-0x0000000073C50000-0x0000000073D19000-memory.dmp

Filesize
804KB

Download
memory/1488-117-0x0000000073C50000-0x0000000073C8D000-memory.dmp

Filesize
244KB

Download
memory/1488-120-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/1488-121-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/1488-122-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/1488-600-0x0000000002870000-0x0000000002871000-memory.dmp

Filesize
4KB

Download

Analysis

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