dridex | 9fe1f304e14c9f1ff1a44c2c54cc9264f8eb6317e02ed38c52f8457eba8f7d02

Analysis

max time kernel
137s
max time network
142s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 17:05

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General

Target
f55aca2c_by_Libranalysis.dll
Size 162KB
Sample210508-7rdc8w1l32
SHA256 9fe1f304e14c9f1ff1a44c2c54cc9264f8eb6317e02ed38c52f8457eba8f7d02
MD5 f55aca2c1c015d727625e044babd7e2d
SHA1 6089266c7a371f7bc3c4f9024d59c646fe1ae8ba
SHA512 a63d71846757beedd1357adebd9d35ee210817ef2c0f5164ddcde14dfabba0f42ac07fcfba7ec335ef6e3eca86e7c30885803c836bac0386123963393e4b8735
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/1412-115-0x0000000074300000-0x000000007432E000-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 624 wrote to memory of 1412	624	rundll32.exe	70
PID 624 wrote to memory of 1412	624	rundll32.exe	70
PID 624 wrote to memory of 1412	624	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55aca2c_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55aca2c_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1412

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/1412-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/1412-117-0x0000000002C00000-0x0000000002CAE000-memory.dmp