dridex | 4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770

Analysis

max time kernel
41s
max time network
49s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 15:41

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General

Target

4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll
Size

162KB
MD5

a1146ee2ab0de29d4919eff3b30007c0
SHA1

8235c7a0ed39889275b171daa3b9f006db80f660
SHA256

4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770
SHA512

e1775fc651833e5e68d4bf8107845e96431b06c244071754b71931411f81d157032a0ff8d68e5cf153789d0274542962660703e08ed3c2720edb13cb7fae670b

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/772-115-0x0000000073BF0000-0x0000000073C1E000-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 3152 wrote to memory of 772	3152	rundll32.exe	rundll32.exe
PID 3152 wrote to memory of 772	3152	rundll32.exe	rundll32.exe
PID 3152 wrote to memory of 772	3152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4cdbc562377e1e144c9f337a7f0663a97c02f0fc3600bf651ad3f6725df70770.dll,#1
2⤵
- Checks whether UAC is enabled
PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/772-114-0x0000000000000000-mapping.dmp

Download
memory/772-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/772-117-0x00000000027F0000-0x00000000027F6000-memory.dmp

Filesize
24KB

Download