dridex | 35f6267d7e4a52e6e22655f534e7e6c4e7551d5ecb7ef65c42691739028ebbc0

Analysis

max time kernel
92s
max time network
94s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:33

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General

Target

35f6267d7e4a52e6e22655f534e7e6c4e7551d5ecb7ef65c42691739028ebbc0.dll
Size

158KB
MD5

eed60e9d8cdb3668c35cda45f16559f7
SHA1

11b7b105291f17edcac3e415463ebc641b548680
SHA256

35f6267d7e4a52e6e22655f534e7e6c4e7551d5ecb7ef65c42691739028ebbc0
SHA512

82d57a8d7708f4503ad5c7ecda8b9e256c9cbab9d22f61d30f4218be0e841370386a5f5f6f1a786a07110e3059683aeecb847c9ba1d19767c1c20eca65fc3b07

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/1476-115-0x0000000073F10000-0x0000000073F3D000-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 408 wrote to memory of 1476	408	rundll32.exe	rundll32.exe
PID 408 wrote to memory of 1476	408	rundll32.exe	rundll32.exe
PID 408 wrote to memory of 1476	408	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35f6267d7e4a52e6e22655f534e7e6c4e7551d5ecb7ef65c42691739028ebbc0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:408

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35f6267d7e4a52e6e22655f534e7e6c4e7551d5ecb7ef65c42691739028ebbc0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1476

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/1476-114-0x0000000000000000-mapping.dmp

Download
memory/1476-115-0x0000000073F10000-0x0000000073F3D000-memory.dmp

Filesize
180KB

Download
memory/1476-117-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download