dridex | 9475437e7dab319211228bf7981b9108e9e17e59dd9fb4d2dc2e42471e5df0f7

Analysis

max time kernel
39s
max time network
48s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 15:19

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General

Target

9475437e7dab319211228bf7981b9108e9e17e59dd9fb4d2dc2e42471e5df0f7.dll
Size

162KB
MD5

23b48f808cc466bc3c7dd82a1fabf77e
SHA1

b118a2255d9d1cff31884561c9fa83c6aecd4532
SHA256

9475437e7dab319211228bf7981b9108e9e17e59dd9fb4d2dc2e42471e5df0f7
SHA512

835285ed1ed89bf8b83d9460845bba0c77e4d517edd50caa31a7ee2db3d544d2269c1f8ff5589cb58ed612398dace22db3617546f87686bbb64802c3f3221d02

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/1796-115-0x0000000073F50000-0x0000000073F7E000-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 1040 wrote to memory of 1796	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 1796	1040	rundll32.exe	rundll32.exe
PID 1040 wrote to memory of 1796	1040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9475437e7dab319211228bf7981b9108e9e17e59dd9fb4d2dc2e42471e5df0f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9475437e7dab319211228bf7981b9108e9e17e59dd9fb4d2dc2e42471e5df0f7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1796

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/1796-114-0x0000000000000000-mapping.dmp

Download
memory/1796-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Filesize
184KB

Download
memory/1796-117-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download