dridex | 7028e4b5491a00737fb9c428d353b3eb8bd4f83fb3836cad29345d22f57b5287

Analysis

max time kernel
26s
max time network
68s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 11:23

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General

Target

7028e4b5491a00737fb9c428d353b3eb8bd4f83fb3836cad29345d22f57b5287.dll
Size

162KB
MD5

62e854f1a658ea5461aa60322fb77745
SHA1

63a32a6f7217f7af1918e6df64f5512d4cbd505b
SHA256

7028e4b5491a00737fb9c428d353b3eb8bd4f83fb3836cad29345d22f57b5287
SHA512

e075cda16f5fe065470469cf49fef4b37ae695ec7bc73733c5ae15597ab75016d0e04ed4e316660f1787591ed5114893b1e14579f6fc99d4da364ba5eef2c35e

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/496-115-0x0000000074160000-0x000000007418E000-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 904 wrote to memory of 496	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 496	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 496	904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7028e4b5491a00737fb9c428d353b3eb8bd4f83fb3836cad29345d22f57b5287.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7028e4b5491a00737fb9c428d353b3eb8bd4f83fb3836cad29345d22f57b5287.dll,#1
2⤵
- Checks whether UAC is enabled
PID:496

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/496-114-0x0000000000000000-mapping.dmp

Download
memory/496-115-0x0000000074160000-0x000000007418E000-memory.dmp

Filesize
184KB

Download
memory/496-117-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

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