dridex | ca027dd59197262307bf32680dfcb1e3b2050e796915e075f392cfd0a73ef5c4

Analysis

max time kernel
18s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 01:13

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General

Target

ca027dd59197262307bf32680dfcb1e3b2050e796915e075f392cfd0a73ef5c4.dll
Size

162KB
MD5

9e8ad61d0ba6bc08d37191bb0ab22db5
SHA1

8b6f380c6d5ebd1874d7c70a2d730f389d71613f
SHA256

ca027dd59197262307bf32680dfcb1e3b2050e796915e075f392cfd0a73ef5c4
SHA512

450feedbc5c924924f6ed01f74d98086ef58f6d6bd885d8c87dc48f8f2e571dafbe06a6f0ae66d3b63cd34fd9a99ad75fda7fe8730ae47de2f1339f939af77d9

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/4492-115-0x0000000074290000-0x00000000742BE000-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 4436 wrote to memory of 4492	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4492	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4492	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca027dd59197262307bf32680dfcb1e3b2050e796915e075f392cfd0a73ef5c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca027dd59197262307bf32680dfcb1e3b2050e796915e075f392cfd0a73ef5c4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4492

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/4492-114-0x0000000000000000-mapping.dmp

Download
memory/4492-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Filesize
184KB

Download
memory/4492-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download