dridex | 128e6b7a5a382c6fb0e2f4abec9d9b2382c86906be8d452e27ad9219381081c3

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 18:26

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General

Target

128e6b7a5a382c6fb0e2f4abec9d9b2382c86906be8d452e27ad9219381081c3.dll
Size

158KB
MD5

95680765378b3a3e6cd14e57a5a92d32
SHA1

dd0a356ca036aa9d4399e974a08c6f6643208e53
SHA256

128e6b7a5a382c6fb0e2f4abec9d9b2382c86906be8d452e27ad9219381081c3
SHA512

b3f1323f682de82a7058239447e70ad4d120c1de3cac7cb8fb87c4bca11044725f149cc7c73c0eb85e5dbfb3cf36d8fa040da050cea45604524d2b71903da82d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/3232-115-0x0000000073B70000-0x0000000073B9D000-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 3908 wrote to memory of 3232	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 3232	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 3232	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\128e6b7a5a382c6fb0e2f4abec9d9b2382c86906be8d452e27ad9219381081c3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\128e6b7a5a382c6fb0e2f4abec9d9b2382c86906be8d452e27ad9219381081c3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3232

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/3232-114-0x0000000000000000-mapping.dmp

Download
memory/3232-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp

Filesize
180KB

Download
memory/3232-117-0x0000000002930000-0x0000000002A7A000-memory.dmp

Filesize
1.3MB

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