dridex | 5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e

General

Target

5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll
Size

196KB
MD5

355b6a54bc488d9423a0b3423447c5e5
SHA1

ae84f2f32f02e204d1498946e530a2575bafd284
SHA256

5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e
SHA512

5f6c9e58d6155ab1718ac726e1aef77ff6efe8e95d20806f5e138a60a86d20368b485966dc240d38ad72f3ff00d7fd1814dd5efdd6954537604ccc42c426b84b

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/1892-4-0x0000000075360000-0x0000000075393000-memory.dmp	dridex_ldr
behavioral1/memory/1892-6-0x0000000075360000-0x000000007537F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1892 rundll32.exe
7 1892 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
5	1892	rundll32.exe
7	1892	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 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe
PID 324 wrote to memory of 1892	324	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:324

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1892

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/1456-7-0x000007FEF7D30000-0x000007FEF7FAA000-memory.dmp

Filesize
2.5MB

Download
memory/1892-2-0x0000000000000000-mapping.dmp

Download
memory/1892-3-0x00000000766C1000-0x00000000766C3000-memory.dmp

Filesize
8KB

Download
memory/1892-4-0x0000000075360000-0x0000000075393000-memory.dmp

Filesize
204KB

Download
memory/1892-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1892-6-0x0000000075360000-0x000000007537F000-memory.dmp

Filesize
124KB

Download

Analysis

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