dridex | 18ebf41311a7d7263a0f23bb85177952ca8d88ec3cc5e4f14a645ca070d3cf4f

Analysis

max time kernel
26s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 12:04

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General

Target

bd313955_by_Libranalysis.dll
Size

160KB
MD5

bd3139556943f62299b7d880e01fbda2
SHA1

820efb3e61524354e58da1cc1e1ef3748d92032b
SHA256

18ebf41311a7d7263a0f23bb85177952ca8d88ec3cc5e4f14a645ca070d3cf4f
SHA512

c0dbb54852e7f7080a7066bd597ea9077524d324a300e52ddd9c646e20ed4197018d43b4726036f17712cab4abee116d63b2db3badfd5577515d602f6e02f021

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1276-61-0x0000000074E30000-0x0000000074E5E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe
PID 1096 wrote to memory of 1276	1096	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd313955_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd313955_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1276

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/1276-59-0x0000000000000000-mapping.dmp

Download
memory/1276-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1276-61-0x0000000074E30000-0x0000000074E5E000-memory.dmp

Filesize
184KB

Download
memory/1276-63-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download