dridex | 7a93f3128c40b8a042fd7e59a59969aff208817d621beafc0c69e6b7d22cd726

Analysis

max time kernel
116s
max time network
117s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:00

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General

Target

7a93f3128c40b8a042fd7e59a59969aff208817d621beafc0c69e6b7d22cd726.dll
Size

157KB
MD5

d46392017c7fd03a1559800080aa09f8
SHA1

992899ceb2a3ad8a7ad34b768ffdf28d2041e6e7
SHA256

7a93f3128c40b8a042fd7e59a59969aff208817d621beafc0c69e6b7d22cd726
SHA512

808ea6cd5b8a9ee779c3e60b06bec4221e1b8e1d07eb616bf1990e790dc18e578040ce579d861593a7ee391eff1579049e25eb9d8ef92b7a7dc5242deee84141

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1920-115-0x0000000073660000-0x000000007368D000-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 4008 wrote to memory of 1920	4008	rundll32.exe	rundll32.exe
PID 4008 wrote to memory of 1920	4008	rundll32.exe	rundll32.exe
PID 4008 wrote to memory of 1920	4008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a93f3128c40b8a042fd7e59a59969aff208817d621beafc0c69e6b7d22cd726.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a93f3128c40b8a042fd7e59a59969aff208817d621beafc0c69e6b7d22cd726.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1920

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/1920-114-0x0000000000000000-mapping.dmp

Download
memory/1920-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/1920-117-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download