dridex | 098ab4cf81dc93d4c45fccbd7b8dbac0927096403197f427dfde293800918c1d

Analysis

max time kernel
145s
max time network
146s
platform
windows10_x64
resource
win10v20210410
submitted
13/05/2021, 16:06

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General

Target
4a9309a4_by_Libranalysis.dll
Size 162KB
Sample210513-ty3669f4j6
SHA256 098ab4cf81dc93d4c45fccbd7b8dbac0927096403197f427dfde293800918c1d
MD5 4a9309a47868c41264b166b69e2e5b3e
SHA1 dc5f6230ebab9cb2c9c3888c3a01800771a9e288
SHA512 bd8865bbf4c41a378346e9d309fb39c781101a312e67d93c36d391a5cd14be993532649e60b24e8fb3b313c49dbf6d683736d54c1a0722a5051a933a3d88c0ce
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/3192-115-0x0000000073E80000-0x0000000073EAE000-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 1852 wrote to memory of 3192	1852	rundll32.exe	28
PID 1852 wrote to memory of 3192	1852	rundll32.exe	28
PID 1852 wrote to memory of 3192	1852	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a9309a4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a9309a4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3192

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/3192-115-0x0000000073E80000-0x0000000073EAE000-memory.dmp

Download

memory/3192-117-0x0000000002F80000-0x00000000030CA000-memory.dmp