dridex | 15ec7fe708c8dc9f01b07c423edb6c9e475b42a13b6e352c7c0cf7abd62435cb

Analysis

max time kernel
28s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 17:52

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General

Target

15ec7fe708c8dc9f01b07c423edb6c9e475b42a13b6e352c7c0cf7abd62435cb.dll
Size

160KB
MD5

4a8a46223992313e342faab7b6477ad8
SHA1

3fe37d9be9626b5b8c7e0d2bdb13deada5729864
SHA256

15ec7fe708c8dc9f01b07c423edb6c9e475b42a13b6e352c7c0cf7abd62435cb
SHA512

3ca50231d6cd86ad0e55eafff1c597586eb9a84882ea36d55d17ed48bbb7ef8a030b9049148497c818f429c9eb3ecca0183c44f0b14dea0a2684ab5e4909b07a

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/2032-61-0x0000000074BE0000-0x0000000074C0E000-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 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe
PID 1824 wrote to memory of 2032	1824	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15ec7fe708c8dc9f01b07c423edb6c9e475b42a13b6e352c7c0cf7abd62435cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15ec7fe708c8dc9f01b07c423edb6c9e475b42a13b6e352c7c0cf7abd62435cb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2032

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

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Downloads

memory/2032-59-0x0000000000000000-mapping.dmp

Download
memory/2032-60-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/2032-61-0x0000000074BE0000-0x0000000074C0E000-memory.dmp

Filesize
184KB

Download
memory/2032-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download