dridex | 1a796f4eef9666bbf13e5717f09fc251d61ac26dc2be0256fa1214bd1547a680

Analysis

max time kernel
41s
max time network
51s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:17

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General

Target

1a796f4eef9666bbf13e5717f09fc251d61ac26dc2be0256fa1214bd1547a680.dll
Size

154KB
MD5

278d8ef3a71c9b8730dc4cf20e3ebf47
SHA1

7fd09a7692d51bb0314418b1cefd4e0ec27c88c3
SHA256

1a796f4eef9666bbf13e5717f09fc251d61ac26dc2be0256fa1214bd1547a680
SHA512

88fa335675d5ff1c25ddf35ac5dbf9eba7381411d8d845fa14a2c481db98a9980c05900191cd4e9fe9827fd503ee3fa4f39898f411f276c3da2a6a48155f8ba6

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/3264-115-0x0000000073EE0000-0x0000000073F0D000-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 3232 wrote to memory of 3264	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 3264	3232	rundll32.exe	rundll32.exe
PID 3232 wrote to memory of 3264	3232	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a796f4eef9666bbf13e5717f09fc251d61ac26dc2be0256fa1214bd1547a680.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a796f4eef9666bbf13e5717f09fc251d61ac26dc2be0256fa1214bd1547a680.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3264

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/3264-114-0x0000000000000000-mapping.dmp

Download
memory/3264-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

Filesize
180KB

Download
memory/3264-117-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download