dridex | f8bd22557e4a2c7f57d02fe91db9aed950facd6d3955d38314c5d695bce79971

Analysis

max time kernel
104s
max time network
104s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 13:34

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General

Target

f8bd22557e4a2c7f57d02fe91db9aed950facd6d3955d38314c5d695bce79971.dll
Size

162KB
MD5

c430c9f67c72cb24cfa49db425e32a1b
SHA1

8386935c370566270bb609f43846a0f974d67535
SHA256

f8bd22557e4a2c7f57d02fe91db9aed950facd6d3955d38314c5d695bce79971
SHA512

cc827cbedcd057ae4d95797b5b9626333357c57b82700b8235254e111daa1d4d42c914319104ac5e34f003363bb439d5b3d038482c85e0838154977ffae51a45

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/740-115-0x0000000073BF0000-0x0000000073C1E000-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 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bd22557e4a2c7f57d02fe91db9aed950facd6d3955d38314c5d695bce79971.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bd22557e4a2c7f57d02fe91db9aed950facd6d3955d38314c5d695bce79971.dll,#1
2⤵
- Checks whether UAC is enabled
PID:740

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/740-114-0x0000000000000000-mapping.dmp

Download
memory/740-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/740-117-0x0000000001020000-0x0000000001026000-memory.dmp

Filesize
24KB

Download