dridex | 86ba59778708098bff4cdc8e4ff629b5e8990bb5c1c97a2ec6f9a79e599492ca

Analysis

max time kernel
108s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:11

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General

Target

86ba59778708098bff4cdc8e4ff629b5e8990bb5c1c97a2ec6f9a79e599492ca.dll
Size

154KB
MD5

1e840a161dd5086d5235515599f4017b
SHA1

fe01bd18027ddd37837e6e95cd6a881efd87af35
SHA256

86ba59778708098bff4cdc8e4ff629b5e8990bb5c1c97a2ec6f9a79e599492ca
SHA512

ec3aaaa265bd54dd40988a94ca9dbc6e932db6334ff5fbf36a08fb66c4ee8efacf45139a3f812f4500fbf32c9e9acf19196f23788df87482c08dd6756adaefd4

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/1264-115-0x0000000074260000-0x000000007428D000-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 1000 wrote to memory of 1264	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1264	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1264	1000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86ba59778708098bff4cdc8e4ff629b5e8990bb5c1c97a2ec6f9a79e599492ca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86ba59778708098bff4cdc8e4ff629b5e8990bb5c1c97a2ec6f9a79e599492ca.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1264

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/1264-114-0x0000000000000000-mapping.dmp

Download
memory/1264-115-0x0000000074260000-0x000000007428D000-memory.dmp

Filesize
180KB

Download
memory/1264-117-0x0000000000E50000-0x0000000000F9A000-memory.dmp

Filesize
1.3MB

Download