dridex | 1fa0625798c3d9042acf8dc0f1ac523b1dc5f2a2334f2432a556a3df6624c4d9

Analysis

max time kernel
114s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:07

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General

Target

1fa0625798c3d9042acf8dc0f1ac523b1dc5f2a2334f2432a556a3df6624c4d9.dll
Size

154KB
MD5

3059deb7232f190cee5b9586f2f0b912
SHA1

d8312885852c61f36b5ffec23fe0c992a41c5ca9
SHA256

1fa0625798c3d9042acf8dc0f1ac523b1dc5f2a2334f2432a556a3df6624c4d9
SHA512

e3a438cc8651c721a317a7bcaaf733c0ad53482ec4429a38e1db0c1d6b90bcc63dfe107d6ff4a3837b17051e36b96e4f963349a8b9fb8676dd1379cf8e9479db

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/1832-115-0x0000000073620000-0x000000007364D000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 584 wrote to memory of 1832	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 1832	584	rundll32.exe	rundll32.exe
PID 584 wrote to memory of 1832	584	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fa0625798c3d9042acf8dc0f1ac523b1dc5f2a2334f2432a556a3df6624c4d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fa0625798c3d9042acf8dc0f1ac523b1dc5f2a2334f2432a556a3df6624c4d9.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1832

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1832-114-0x0000000000000000-mapping.dmp

Download
memory/1832-115-0x0000000073620000-0x000000007364D000-memory.dmp

Filesize
180KB

Download
memory/1832-117-0x0000000003480000-0x0000000003486000-memory.dmp

Filesize
24KB

Download