dridex | 0ff6479176d48af508d6c49bfcf4f95e0fd51552d6e1e42bbcabe5dd943c573e

Analysis

max time kernel
23s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
09/05/2021, 11:02

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General

Target
c577fb78_by_Libranalysis.dll
Size 162KB
Sample210509-benj28cx7e
SHA256 0ff6479176d48af508d6c49bfcf4f95e0fd51552d6e1e42bbcabe5dd943c573e
MD5 c577fb789f08e1e4df667d7477524254
SHA1 270223356702c166aa9c43e41f0040bb06fad824
SHA512 7130e85bac8f60c7605a6622682d2e966030c7a5f8c4bf888598dbf15b4edf31d3366714ef04375be9e5b95e362b4d74d8b885d916aa55640223edc74e880cb5
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/4060-115-0x0000000073860000-0x000000007388E000-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 4064 wrote to memory of 4060	4064	rundll32.exe	23
PID 4064 wrote to memory of 4060	4064	rundll32.exe	23
PID 4064 wrote to memory of 4060	4064	rundll32.exe	23

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c577fb78_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c577fb78_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4060

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/4060-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/4060-117-0x0000000004B40000-0x0000000004B46000-memory.dmp