dridex | f4599551f589dfea6cde9934f51d4308db0a2e8696688ddcc5b526c0d390ee46

Analysis

max time kernel
43s
max time network
50s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:08

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General

Target

f4599551f589dfea6cde9934f51d4308db0a2e8696688ddcc5b526c0d390ee46.dll
Size

154KB
MD5

fa6b0138f3cca403e028b02c7c427b90
SHA1

9ce0a39e6f7b77a7ed8ed23d6fcf90b1bbd27e99
SHA256

f4599551f589dfea6cde9934f51d4308db0a2e8696688ddcc5b526c0d390ee46
SHA512

af2ccf06ad6dc829ffcca50aaa7a7a4c3783078f63e055f39bd5e1dc69380f2d5665fe1e6f656bfab79ff83e7efe81f21156120f3ccffb32b2fd85bc0fbd4e94

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2760-115-0x0000000073860000-0x000000007388D000-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 1824 wrote to memory of 2760	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2760	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2760	1824	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4599551f589dfea6cde9934f51d4308db0a2e8696688ddcc5b526c0d390ee46.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4599551f589dfea6cde9934f51d4308db0a2e8696688ddcc5b526c0d390ee46.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2760

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/2760-114-0x0000000000000000-mapping.dmp

Download
memory/2760-115-0x0000000073860000-0x000000007388D000-memory.dmp

Filesize
180KB

Download
memory/2760-117-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download