dridex | 690f3ed8b746c0e8d41374997edd1a3594d10e68913270c25b046493cb07fc8e

Analysis

max time kernel
26s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 22:55

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General

Target

690f3ed8b746c0e8d41374997edd1a3594d10e68913270c25b046493cb07fc8e.dll
Size

160KB
MD5

ad682140e2ebcc6228a63273ee3b2b3e
SHA1

efa1754230fcb440f422d03b9d94fbca7f775d2f
SHA256

690f3ed8b746c0e8d41374997edd1a3594d10e68913270c25b046493cb07fc8e
SHA512

333ca09386739604122de6bd3a28a2fe54c1704a81938f4fa8c0476f581f34df9eb49c004f46f7e4c78f91f816bcfb31879af29523628dac50f34c81420fe0f6

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/792-115-0x0000000073ED0000-0x0000000073EFE000-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 900 wrote to memory of 792	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 792	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 792	900	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\690f3ed8b746c0e8d41374997edd1a3594d10e68913270c25b046493cb07fc8e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\690f3ed8b746c0e8d41374997edd1a3594d10e68913270c25b046493cb07fc8e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:792

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/792-114-0x0000000000000000-mapping.dmp

Download
memory/792-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/792-117-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

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