dridex | 975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855

Analysis

max time kernel
101s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:43

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General

Target

975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll
Size

157KB
MD5

1a4633486f77527226b062ed3a431ed9
SHA1

c2bc1e46ea60f03020e2e806471ba3e46510d4e9
SHA256

975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855
SHA512

221fa9ed7a5f32eeb7b20505e50fc389efa8b0a2efc94c2097e4e36ae9e886798aa8252c62660f95e4ff3d6f131316078fcf6a131eb512079bad9318205795cc

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
behavioral2/memory/1792-115-0x00000000739B0000-0x00000000739DD000-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 508 wrote to memory of 1792	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 1792	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 1792	508	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\975089a524ea3e94bc598efcb6f566452b63af822e00f2f4792c91b7e931e855.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1792

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/1792-114-0x0000000000000000-mapping.dmp

Download
memory/1792-115-0x00000000739B0000-0x00000000739DD000-memory.dmp

Filesize
180KB

Download
memory/1792-117-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download