dridex | 7791b7ea541bd6620a8755f0550d0f395ecf3d233b527755750de24fabc641b5

Analysis

max time kernel
66s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 16:40

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General

Target

7791b7ea541bd6620a8755f0550d0f395ecf3d233b527755750de24fabc641b5.dll
Size

162KB
MD5

c7974067fdb128d30d89ad7dcf8c3351
SHA1

645b1d2f4140462dca26557a511e286be4ff18d3
SHA256

7791b7ea541bd6620a8755f0550d0f395ecf3d233b527755750de24fabc641b5
SHA512

a72b218ea6046e58530ebb69666751c3d60422c9d79bfd78d25024e7376fd9a6bccd24740805d429fbabba5d668bc47b85ae943950ca823bebbb2deec8650c92

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/3988-115-0x0000000074390000-0x00000000743BE000-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 572 wrote to memory of 3988	572	rundll32.exe	rundll32.exe
PID 572 wrote to memory of 3988	572	rundll32.exe	rundll32.exe
PID 572 wrote to memory of 3988	572	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7791b7ea541bd6620a8755f0550d0f395ecf3d233b527755750de24fabc641b5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7791b7ea541bd6620a8755f0550d0f395ecf3d233b527755750de24fabc641b5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3988

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/3988-114-0x0000000000000000-mapping.dmp

Download
memory/3988-115-0x0000000074390000-0x00000000743BE000-memory.dmp

Filesize
184KB

Download
memory/3988-117-0x00000000001F0000-0x000000000029E000-memory.dmp

Filesize
696KB

Download