dridex | a6a5ca04c772b59646b61be7d090ba008f3b68ee58a84e724160c8beebc1d93c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
04-05-2021 13:37

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General

Target

a6a5ca04c772b59646b61be7d090ba008f3b68ee58a84e724160c8beebc1d93c.dll
Size

162KB
MD5

c6f60c0553871d810c82cf042e818ad2
SHA1

b063a2349b1e20ed4325c60406e99817d1efea8f
SHA256

a6a5ca04c772b59646b61be7d090ba008f3b68ee58a84e724160c8beebc1d93c
SHA512

132b370bc8a67ebd0d91bc75ec4c7949f4bbf7ff7c983b1eff70804913663731fa756d9fc0a91ec82861a429d0101dcbf1def739856d3ec2d63c9aacdff4a479

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/1928-61-0x0000000074700000-0x000000007472E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1928	1748	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6a5ca04c772b59646b61be7d090ba008f3b68ee58a84e724160c8beebc1d93c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6a5ca04c772b59646b61be7d090ba008f3b68ee58a84e724160c8beebc1d93c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1928

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/1928-59-0x0000000000000000-mapping.dmp

Download
memory/1928-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1928-61-0x0000000074700000-0x000000007472E000-memory.dmp

Filesize
184KB

Download
memory/1928-63-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download