dridex | e29b7f0563baa453cb38d94e5a36b593c54e951a9acc0321d97812cd9b5eca68

Analysis

max time kernel
25s
max time network
120s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 14:12

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General

Target

e29b7f0563baa453cb38d94e5a36b593c54e951a9acc0321d97812cd9b5eca68.dll
Size

160KB
MD5

bff68e7f38f68da57ba3d9f6ecfad411
SHA1

2066ec9c775dd3c1c65c2ce22cb18739cef4a6e7
SHA256

e29b7f0563baa453cb38d94e5a36b593c54e951a9acc0321d97812cd9b5eca68
SHA512

fc36f1125739cbdafa527464f7c22e1b2dbd2cbc52d6fa60e60a9b8aec21fe9c5a58fe06922f004c85002ebf952780cf93dcecda6ae60a82c4a95972c9f722a8

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/396-115-0x0000000074440000-0x000000007446E000-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 656 wrote to memory of 396	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 396	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 396	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e29b7f0563baa453cb38d94e5a36b593c54e951a9acc0321d97812cd9b5eca68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e29b7f0563baa453cb38d94e5a36b593c54e951a9acc0321d97812cd9b5eca68.dll,#1
2⤵
- Checks whether UAC is enabled
PID:396

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/396-114-0x0000000000000000-mapping.dmp

Download
memory/396-115-0x0000000074440000-0x000000007446E000-memory.dmp

Filesize
184KB

Download
memory/396-117-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

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