dridex | f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc

Analysis

max time kernel
136s
max time network
137s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 17:25

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General

Target

f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll
Size

158KB
MD5

9ce82e399c787d2371560175c0beb54c
SHA1

482456ccc01b3128ac157cb8d902b73c2e57d2a3
SHA256

f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc
SHA512

2352d680117fa55c3372633d6f856b878277ed1fdcb2d704deb04219a999821f734c33a552d06abe791735298fd8907d959d71f4c7afe404df19cb19da076eee

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/2012-61-0x0000000074C90000-0x0000000074CBD000-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 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 2012	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2012

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/2012-59-0x0000000000000000-mapping.dmp

Download
memory/2012-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/2012-61-0x0000000074C90000-0x0000000074CBD000-memory.dmp

Filesize
180KB

Download
memory/2012-63-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download