dridex | 604197a2332a0cba7bc7cb1dd981cd9b6ee08d7a9e9abe6bbd5ae37f83f95513

Analysis

max time kernel
31s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

604197a2332a0cba7bc7cb1dd981cd9b6ee08d7a9e9abe6bbd5ae37f83f95513.dll
Size

157KB
MD5

a42994b30648bb8f8b6011486f8a29d5
SHA1

5b80aab2ba54acf786073d34cbf8bbc9a1839be7
SHA256

604197a2332a0cba7bc7cb1dd981cd9b6ee08d7a9e9abe6bbd5ae37f83f95513
SHA512

97e8890e2c1ad763c766f0981c7b723d46d84a177fdb7b8c01c1eac52675742806017804d8778cfbc81edbf22e95fcd8e33f7f5ba041194d0db3d1738fae2a5b

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1648-62-0x0000000074A40000-0x0000000074A6D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe
PID 540 wrote to memory of 1648	540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\604197a2332a0cba7bc7cb1dd981cd9b6ee08d7a9e9abe6bbd5ae37f83f95513.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\604197a2332a0cba7bc7cb1dd981cd9b6ee08d7a9e9abe6bbd5ae37f83f95513.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1648

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/1648-60-0x0000000000000000-mapping.dmp

Download
memory/1648-61-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1648-62-0x0000000074A40000-0x0000000074A6D000-memory.dmp

Filesize
180KB

Download
memory/1648-64-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download