dridex | a66f401e247950ebd1e933dbf9e3faaaf384952ce4610f52bc39a0db4c790445

Analysis

max time kernel
25s
max time network
70s
platform
windows10_x64
resource
win10v20210408
submitted
26-06-2021 23:57

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General

Target

a66f401e247950ebd1e933dbf9e3faaaf384952ce4610f52bc39a0db4c790445.dll
Size

160KB
MD5

4cc5205292171878563ba950d535ed37
SHA1

6b35363284be7a28a75cb700ec8d53a115b49ea2
SHA256

a66f401e247950ebd1e933dbf9e3faaaf384952ce4610f52bc39a0db4c790445
SHA512

d12c15ce5b6999c5981f4086aaa39f2b98613a957c9d6aa4847bd2abb55d8c947fecf0bd26aebcd1149c9cba55c560f1ec07f926ebba06847cb32e5c73dda395

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/8-115-0x00000000744D0000-0x00000000744FE000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 628 wrote to memory of 8	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 8	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 8	628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a66f401e247950ebd1e933dbf9e3faaaf384952ce4610f52bc39a0db4c790445.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a66f401e247950ebd1e933dbf9e3faaaf384952ce4610f52bc39a0db4c790445.dll,#1
2⤵
- Checks whether UAC is enabled
PID:8

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/8-114-0x0000000000000000-mapping.dmp

Download
memory/8-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

Filesize
184KB

Download
memory/8-117-0x0000000002FD0000-0x0000000002FD6000-memory.dmp

Filesize
24KB

Download