dridex | 8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d

General

Target

8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll
Size

196KB
MD5

0e2d51ae06f990cb927e7fa8bfb2e3f3
SHA1

fcb4c03c752d778ac1e09f6a1f55cc92a3d632a8
SHA256

8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d
SHA512

f5c4ecc80211a402144222c7d582dd81dffd724478e6155019a3d03fbef7fc2c0bc266f059a6cbb8ad68ca56f4e46ead05e62b465169d2d07ccb8a52756d7a6b

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1168-4-0x0000000074A10000-0x0000000074A43000-memory.dmp	dridex_ldr
behavioral1/memory/1168-6-0x0000000074A10000-0x0000000074A2F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

6 1168 rundll32.exe
8 1168 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
6	1168	rundll32.exe
8	1168	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 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 1168	1596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8230fa8e285de94d91f14bd97c437262fea073866329c6324b29de276c040e8d.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1168

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/1168-2-0x0000000000000000-mapping.dmp

Download
memory/1168-3-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1168-4-0x0000000074A10000-0x0000000074A43000-memory.dmp

Filesize
204KB

Download
memory/1168-5-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1168-6-0x0000000074A10000-0x0000000074A2F000-memory.dmp

Filesize
124KB

Download
memory/1756-7-0x000007FEF7540000-0x000007FEF77BA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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