dridex | 714464efaf77c4ed7ef4432f37e73eaf69bdbe5f9652fbc2b2eb1d21eef1f8e8

Analysis

max time kernel
67s
max time network
69s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:03

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General

Target

714464efaf77c4ed7ef4432f37e73eaf69bdbe5f9652fbc2b2eb1d21eef1f8e8.dll
Size

157KB
MD5

3ec05e419ae2dcd82b1d29d42c772917
SHA1

a4eaba8a66844ec81444f3035b27cb2476efa503
SHA256

714464efaf77c4ed7ef4432f37e73eaf69bdbe5f9652fbc2b2eb1d21eef1f8e8
SHA512

a1d9fb53e0f2973808fa616d48fe1b3c66763cdb642d33e3ca7f84e3e4009e038b4ea8c06e77a6c39122428319c789c50eaae4a509d6fbff4315eb4240a8f733

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/3296-115-0x0000000073B80000-0x0000000073BAD000-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 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3296	3984	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\714464efaf77c4ed7ef4432f37e73eaf69bdbe5f9652fbc2b2eb1d21eef1f8e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\714464efaf77c4ed7ef4432f37e73eaf69bdbe5f9652fbc2b2eb1d21eef1f8e8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3296

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/3296-114-0x0000000000000000-mapping.dmp

Download
memory/3296-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp

Filesize
180KB

Download
memory/3296-117-0x0000000003310000-0x000000000345A000-memory.dmp

Filesize
1.3MB

Download