dridex | 5056bc36d347281f5d29217093219dd073266eede0e1525c62e43bdf6a279c18

Analysis

max time kernel
35s
max time network
8s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

5056bc36d347281f5d29217093219dd073266eede0e1525c62e43bdf6a279c18.dll
Size

157KB
MD5

080b33d471f01a056d01818ac11189a0
SHA1

a936fa269bc773ea3b55bd243a17f41952adba3f
SHA256

5056bc36d347281f5d29217093219dd073266eede0e1525c62e43bdf6a279c18
SHA512

022b4ab08efbba48eb0007b8167547e969154bb9612042ec172b1df760c5d4c9e99d7b1a4187c98220b31d39d6b0320c9b63bd76e0eef6f114237c4ea1f98611

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1304-62-0x0000000074510000-0x000000007453D000-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 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe
PID 1840 wrote to memory of 1304	1840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5056bc36d347281f5d29217093219dd073266eede0e1525c62e43bdf6a279c18.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5056bc36d347281f5d29217093219dd073266eede0e1525c62e43bdf6a279c18.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1304

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/1304-60-0x0000000000000000-mapping.dmp

Download
memory/1304-61-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1304-62-0x0000000074510000-0x000000007453D000-memory.dmp

Filesize
180KB

Download
memory/1304-64-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download