dridex | 99c858813d1d1e96580816af9b097ecf29f639a77c7129ed7787016fd86860a1

Analysis

max time kernel
106s
max time network
106s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:02

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General

Target

99c858813d1d1e96580816af9b097ecf29f639a77c7129ed7787016fd86860a1.dll
Size

157KB
MD5

c9af043b5c8a6bddefd06ec76e8a771f
SHA1

63357c79b93eaabeb238182283731eea109ac245
SHA256

99c858813d1d1e96580816af9b097ecf29f639a77c7129ed7787016fd86860a1
SHA512

535cde69ff22dcd6b9ff544bd01f1d7ecd79fcdc0893d033a437b98a65fc26565a4284877c308172c3f45b7804aa1590e3b829341d9487278d1284750282c0c5

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/3908-115-0x0000000073AA0000-0x0000000073ACD000-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 3016 wrote to memory of 3908	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3908	3016	rundll32.exe	rundll32.exe
PID 3016 wrote to memory of 3908	3016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c858813d1d1e96580816af9b097ecf29f639a77c7129ed7787016fd86860a1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c858813d1d1e96580816af9b097ecf29f639a77c7129ed7787016fd86860a1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3908

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/3908-114-0x0000000000000000-mapping.dmp

Download
memory/3908-115-0x0000000073AA0000-0x0000000073ACD000-memory.dmp

Filesize
180KB

Download
memory/3908-117-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download