dridex | dcbfee966da3941a49280b6acaf88bcd7ed43a08a754e866e4a34363525e7fc4

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 21:46

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General

Target

dcbfee966da3941a49280b6acaf88bcd7ed43a08a754e866e4a34363525e7fc4.dll
Size

160KB
MD5

1395f65e83fe311075f2220686ea3c34
SHA1

49a4cc2b541072668ad48ca9de74b57c5d6e1e05
SHA256

dcbfee966da3941a49280b6acaf88bcd7ed43a08a754e866e4a34363525e7fc4
SHA512

0b93f50560780080d51c9ae06f17e65ff5c4b339a1e45f12c6b688126b26663bdd071ce41cdfdc4e53d32993651a197a83e04d32f003b392c25a8bf625963f48

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/476-115-0x00000000739B0000-0x00000000739DE000-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 1808 wrote to memory of 476	1808	rundll32.exe	rundll32.exe
PID 1808 wrote to memory of 476	1808	rundll32.exe	rundll32.exe
PID 1808 wrote to memory of 476	1808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcbfee966da3941a49280b6acaf88bcd7ed43a08a754e866e4a34363525e7fc4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dcbfee966da3941a49280b6acaf88bcd7ed43a08a754e866e4a34363525e7fc4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:476

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/476-114-0x0000000000000000-mapping.dmp

Download
memory/476-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Filesize
184KB

Download
memory/476-117-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download