dridex | a9e8ef17a3b68666d33f02573bad4b23a3a3a97d620787611c78e5b0f7467408

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 22:30

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General

Target

a9e8ef17a3b68666d33f02573bad4b23a3a3a97d620787611c78e5b0f7467408.dll
Size

162KB
MD5

fdca58465f2ed35a71ee826c034182f3
SHA1

dc9f96d50832b447e66721ec5b71b56d4f9a2b47
SHA256

a9e8ef17a3b68666d33f02573bad4b23a3a3a97d620787611c78e5b0f7467408
SHA512

606890baf3cfcb2c1f76469568f48e96db437c44acc861d7755b939abb71b732ef0370b71aabb6f74fa37cb63abf9e59189aa2f17c28f27f1391f60d22e5d03e

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/1796-115-0x00000000755E0000-0x000000007560E000-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 4048 wrote to memory of 1796	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 1796	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 1796	4048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9e8ef17a3b68666d33f02573bad4b23a3a3a97d620787611c78e5b0f7467408.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9e8ef17a3b68666d33f02573bad4b23a3a3a97d620787611c78e5b0f7467408.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1796

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/1796-114-0x0000000000000000-mapping.dmp

Download
memory/1796-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Filesize
184KB

Download
memory/1796-117-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download