dridex | e09b52d4e80262baa79ac1c4af5250dc405836223a7f85850e52479203b23e73

Analysis

max time kernel
88s
max time network
89s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

e09b52d4e80262baa79ac1c4af5250dc405836223a7f85850e52479203b23e73.dll
Size

154KB
MD5

c4a52604f60d05c98f698bd247f10928
SHA1

82f0b3a993c79dfd68a3b5efbac2f0f140e0aada
SHA256

e09b52d4e80262baa79ac1c4af5250dc405836223a7f85850e52479203b23e73
SHA512

68256918688460ecaccdf0cc08207be604c09c2f257ed962ddb8d5bb633f84f7f1e9481da8777021720f5490e2b0b1d26ea5b4051c9e69e941d7e6211d1d7179

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1908-61-0x0000000074C90000-0x0000000074CBD000-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 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1908	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e09b52d4e80262baa79ac1c4af5250dc405836223a7f85850e52479203b23e73.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e09b52d4e80262baa79ac1c4af5250dc405836223a7f85850e52479203b23e73.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1908

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/1908-59-0x0000000000000000-mapping.dmp

Download
memory/1908-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1908-61-0x0000000074C90000-0x0000000074CBD000-memory.dmp

Filesize
180KB

Download
memory/1908-63-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download