dridex | 4885e853ccfefeb9376d1b664c751c5e9b5e63514c02149115fe679431fa9755

Analysis

max time kernel
116s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:00

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General

Target

4885e853ccfefeb9376d1b664c751c5e9b5e63514c02149115fe679431fa9755.dll
Size

157KB
MD5

c3df1d90d35b4ca0e96f477784aa7ca1
SHA1

d22498c63800978c8192f1388d7f7b1bc651852f
SHA256

4885e853ccfefeb9376d1b664c751c5e9b5e63514c02149115fe679431fa9755
SHA512

6bdfc20caec6afda42788f3f3d496a22f598a7b251cb372be8cda0766135e9c17e22cda5af71cf1d6b37843b7dfd3b53400da5b8823794df3c5d9619c4ce06df

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/3924-115-0x0000000073F20000-0x0000000073F4D000-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 3916 wrote to memory of 3924	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3924	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3924	3916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4885e853ccfefeb9376d1b664c751c5e9b5e63514c02149115fe679431fa9755.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4885e853ccfefeb9376d1b664c751c5e9b5e63514c02149115fe679431fa9755.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3924

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/3924-114-0x0000000000000000-mapping.dmp

Download
memory/3924-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

Filesize
180KB

Download
memory/3924-117-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download