dridex | a89a870762f42c10dc1928f30158630e19cbaf7905abd77d338de3432c785de6

Analysis

max time kernel
119s
max time network
120s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 16:02

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General

Target
6bbae39c_by_Libranalysis.dll
Size 162KB
Sample210508-k4aejktfp6
SHA256 a89a870762f42c10dc1928f30158630e19cbaf7905abd77d338de3432c785de6
MD5 6bbae39c5f50caa182aae31b37faa09d
SHA1 b3e93ab3633ff474724fd22ce9ea738c651ed2e8
SHA512 2972311555c8b397f5502f0ce65dafb692b12abc03e64ed07ad134b7a1ef95b7ec4fba2279a06354ed738d847602fbdbe3971138abe493e8788523c1616f2e06
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/980-115-0x0000000074420000-0x000000007444E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 980	2116	rundll32.exe	41
PID 2116 wrote to memory of 980	2116	rundll32.exe	41
PID 2116 wrote to memory of 980	2116	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbae39c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bbae39c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/980-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/980-117-0x0000000002ED0000-0x0000000002ED6000-memory.dmp