dridex | 260eb41d6b91067463a91d3adfe632e8a894c2a42fbb2c0b03b0860964c7bff8

General

Target

2eb65a8ce173d88e886f8333c300c92f.dll
Size

750KB
MD5

2eb65a8ce173d88e886f8333c300c92f
SHA1

8e58167cab24be18c890420f8c5f3b77f21ce465
SHA256

260eb41d6b91067463a91d3adfe632e8a894c2a42fbb2c0b03b0860964c7bff8
SHA512

3396498de9270a223cfb7319b5d201aee38a5444c8b616e56ec1de6715d2e1f05a9a464452b204ddad9bc59380026e14346a8c60b03db347bc4a92dd01b81715

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 1248 rundll32.exe
6 1248 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	1248	rundll32.exe
6	1248	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 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe
PID 1452 wrote to memory of 1248	1452	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2eb65a8ce173d88e886f8333c300c92f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2eb65a8ce173d88e886f8333c300c92f.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1248

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/1248-54-0x0000000000000000-mapping.dmp

Download
memory/1248-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1248-56-0x0000000074E00000-0x0000000074EC9000-memory.dmp

Filesize
804KB

Download
memory/1248-57-0x0000000074E00000-0x0000000074E3D000-memory.dmp

Filesize
244KB

Download
memory/1248-58-0x0000000074E00000-0x0000000074EC9000-memory.dmp

Filesize
804KB

Download
memory/1248-60-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download

Analysis

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