dridex | 714a36b3b7235c53b5f89d45b8498ac2ec63a3c3c348331779a9ebe1ec3dffd6

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 08:23

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General

Target

714a36b3b7235c53b5f89d45b8498ac2ec63a3c3c348331779a9ebe1ec3dffd6.dll
Size

160KB
MD5

ac6d4abb7aa4c0ddb5592780b8ed25c8
SHA1

50a0206d97c9a0c859220c1978627e2324284d35
SHA256

714a36b3b7235c53b5f89d45b8498ac2ec63a3c3c348331779a9ebe1ec3dffd6
SHA512

de94371fb953df103191af5adcbf0e5624ffcc0e0110ec8792acdaa22cb68c841aab0b688da3045e773e84fe71943c5ce841f094f55caa0d1415d1ca3580eda2

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/796-115-0x00000000742B0000-0x00000000742DE000-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 3424 wrote to memory of 796	3424	rundll32.exe	rundll32.exe
PID 3424 wrote to memory of 796	3424	rundll32.exe	rundll32.exe
PID 3424 wrote to memory of 796	3424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\714a36b3b7235c53b5f89d45b8498ac2ec63a3c3c348331779a9ebe1ec3dffd6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\714a36b3b7235c53b5f89d45b8498ac2ec63a3c3c348331779a9ebe1ec3dffd6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:796

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/796-114-0x0000000000000000-mapping.dmp

Download
memory/796-115-0x00000000742B0000-0x00000000742DE000-memory.dmp

Filesize
184KB

Download
memory/796-117-0x0000000003240000-0x000000000338A000-memory.dmp

Filesize
1.3MB

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