dridex | 5b7f5d11be442ed9859e310d644907de08de4fef18ce1cf1a4cc746f05a57451

Analysis

max time kernel
26s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
10-08-2021 06:48

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General

Target

5b7f5d11be442ed9859e310d644907de08de4fef18ce1cf1a4cc746f05a57451.dll
Size

184KB
MD5

bd2adb50ee688e5b28ceb7a0cdc087ed
SHA1

a35fbc6df7151260ae0d7bcae0581e3fd8a0662d
SHA256

5b7f5d11be442ed9859e310d644907de08de4fef18ce1cf1a4cc746f05a57451
SHA512

ddbe5b849aeac8d164acaaaa60e5e7a55727cbfa2a8446e6ca992cdd1e5c19ce9014249f509145cdcfd766286afe8091d0d971a2bcfb4e741b94551630bc3240

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/1548-115-0x0000000074160000-0x0000000074190000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

936 1548 WerFault.exe rundll32.exe

pid	pid_target	process	target process
936	1548	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 936 WerFault.exe
Token: SeBackupPrivilege 936 WerFault.exe
Token: SeDebugPrivilege 936 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	936	WerFault.exe
Token: SeBackupPrivilege	936	WerFault.exe
Token: SeDebugPrivilege	936	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 860 wrote to memory of 1548	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1548	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 1548	860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b7f5d11be442ed9859e310d644907de08de4fef18ce1cf1a4cc746f05a57451.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b7f5d11be442ed9859e310d644907de08de4fef18ce1cf1a4cc746f05a57451.dll,#1
2⤵
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936

MITRE ATT&CK Matrix

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Downloads

memory/1548-114-0x0000000000000000-mapping.dmp

Download
memory/1548-115-0x0000000074160000-0x0000000074190000-memory.dmp

Filesize
192KB

Download
memory/1548-117-0x0000000002E50000-0x0000000002EFE000-memory.dmp

Filesize
696KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads