dridex | a1654ed72e64dda94118fa5784026892ea9b04c78513f8b171193d8b825fd98a

Analysis

max time kernel
21s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 02:06

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General

Target

a1654ed72e64dda94118fa5784026892ea9b04c78513f8b171193d8b825fd98a.dll
Size

160KB
MD5

d598e5f6bad58b843eca56284d4683d4
SHA1

ec25d08693074cbfa52282249e7b4a5cb2575488
SHA256

a1654ed72e64dda94118fa5784026892ea9b04c78513f8b171193d8b825fd98a
SHA512

bdcda0e032db1af9bd43f7f7982aa3d67c662a659660ad0e2e1194042787c364e389b80bef1364d7d80e6ee75a90851508c6cc84d89f39d3bd87eeb4e1efa6db

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/1880-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 1880	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1880	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1880	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1654ed72e64dda94118fa5784026892ea9b04c78513f8b171193d8b825fd98a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1654ed72e64dda94118fa5784026892ea9b04c78513f8b171193d8b825fd98a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1880

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/1880-114-0x0000000000000000-mapping.dmp

Download
memory/1880-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Filesize
184KB

Download
memory/1880-117-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download