dridex | d55ecfe1dc687fc0e7a01e459685c3d25e4d9a280ece82da7dc6e7838fe1121a

Analysis

max time kernel
108s
max time network
109s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:40

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General

Target

d55ecfe1dc687fc0e7a01e459685c3d25e4d9a280ece82da7dc6e7838fe1121a.dll
Size

162KB
MD5

e167a98b81366d62a7267b5ff6f37c7e
SHA1

e2daaee7694e3c997b49427de30a28ce11f085af
SHA256

d55ecfe1dc687fc0e7a01e459685c3d25e4d9a280ece82da7dc6e7838fe1121a
SHA512

308c94d846147ff167fe0d03489ddea2ec8848d607def324584cb1c661be07164359294d84390db3c1af8f2e122e732bfae9b23360923f9ddc429e55a8aaa966

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/4716-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4716	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4716	4656	rundll32.exe	rundll32.exe
PID 4656 wrote to memory of 4716	4656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55ecfe1dc687fc0e7a01e459685c3d25e4d9a280ece82da7dc6e7838fe1121a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55ecfe1dc687fc0e7a01e459685c3d25e4d9a280ece82da7dc6e7838fe1121a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4716

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/4716-114-0x0000000000000000-mapping.dmp

Download
memory/4716-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4716-117-0x0000000002F50000-0x0000000002FFE000-memory.dmp

Filesize
696KB

Download