dridex | e2f8bb31bcbab31512b24064674de43b9e22ce0fefbc7434b49c081c023e4353

Analysis

max time kernel
80s
max time network
92s
platform
windows7_x64
resource
win7v20201028
submitted
03-04-2021 08:22

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General

Target

e2f8bb31bcbab31512b24064674de43b9e22ce0fefbc7434b49c081c023e4353.dll
Size

192KB
MD5

64a6c29bbc0eb14bc17519120c476a02
SHA1

de6c27ab6ab8f7c8e570e63c179ff077ce834ca1
SHA256

e2f8bb31bcbab31512b24064674de43b9e22ce0fefbc7434b49c081c023e4353
SHA512

59045a507eb05252c692292267fd6d8b1feb1c072aa0e45590943bc81545ef57865134306d25318c0a318e4d03d62a79353d8ed5491a7609b148b6b0db1f329d

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

77.220.64.135:443

107.180.90.10:6601

31.24.158.56:7275

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/1844-4-0x0000000075390000-0x00000000753C2000-memory.dmp	dridex_ldr
behavioral1/memory/1844-6-0x0000000075390000-0x00000000753B1000-memory.dmp	dridex_ldr

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

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 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1844	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f8bb31bcbab31512b24064674de43b9e22ce0fefbc7434b49c081c023e4353.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2f8bb31bcbab31512b24064674de43b9e22ce0fefbc7434b49c081c023e4353.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1844

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1844-2-0x0000000000000000-mapping.dmp

Download
memory/1844-3-0x0000000076C21000-0x0000000076C23000-memory.dmp

Filesize
8KB

Download
memory/1844-4-0x0000000075390000-0x00000000753C2000-memory.dmp

Filesize
200KB

Download
memory/1844-5-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1844-6-0x0000000075390000-0x00000000753B1000-memory.dmp

Filesize
132KB

Download