dridex | 88f0bcde68a5aed74c7abc99a381cbfd75196b40dbca1ab3ec4a15a590c716cd

Analysis

max time kernel
33s
max time network
21s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:43

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General

Target

88f0bcde68a5aed74c7abc99a381cbfd75196b40dbca1ab3ec4a15a590c716cd.dll
Size

154KB
MD5

75fd5df5c1b5101d4ea2b72bd82e23fe
SHA1

2f93f9025301faff937a99d515a49e5c06227726
SHA256

88f0bcde68a5aed74c7abc99a381cbfd75196b40dbca1ab3ec4a15a590c716cd
SHA512

6b010cac6aec9ae9393ab5e1e70b67f6685c82a17c32bd4eda4da5e6690a6ffe21d04c4e9b31015b58e89a058367d1d5b2b91bbe94dbbfee69baff941ba3301a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1936-62-0x00000000754B0000-0x00000000754DD000-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 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 1936	1104	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88f0bcde68a5aed74c7abc99a381cbfd75196b40dbca1ab3ec4a15a590c716cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\88f0bcde68a5aed74c7abc99a381cbfd75196b40dbca1ab3ec4a15a590c716cd.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1936

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/1936-60-0x0000000000000000-mapping.dmp

Download
memory/1936-61-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1936-62-0x00000000754B0000-0x00000000754DD000-memory.dmp

Filesize
180KB

Download
memory/1936-64-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download