dridex | be0a9fa858dd29e55f16885c0ee9a9b5dc7fd1c7b3f5c84cc263501fc63671e3

Analysis

max time kernel
23s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:28

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General

Target

be0a9fa858dd29e55f16885c0ee9a9b5dc7fd1c7b3f5c84cc263501fc63671e3.dll
Size

174KB
MD5

2ec65013271edd1a1ed9442899f80351
SHA1

ed0fd43e5a8de78fbf1fe2d6d6a9318400e68b94
SHA256

be0a9fa858dd29e55f16885c0ee9a9b5dc7fd1c7b3f5c84cc263501fc63671e3
SHA512

05819968f36d3047ea4b6de6bd45fcad6ef6b7bb162bf461409cf20919118d008733ee9c014bcd5be478884b8a755742cd4295c69df964fc8d74fa7a8ffd87b4

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/1048-115-0x0000000073ED0000-0x0000000073F00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4036 1048 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4036	1048	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe
4036	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4036 WerFault.exe
Token: SeBackupPrivilege 4036 WerFault.exe
Token: SeDebugPrivilege 4036 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	4036	WerFault.exe
Token: SeBackupPrivilege	4036	WerFault.exe
Token: SeDebugPrivilege	4036	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 852 wrote to memory of 1048	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1048	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1048	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be0a9fa858dd29e55f16885c0ee9a9b5dc7fd1c7b3f5c84cc263501fc63671e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be0a9fa858dd29e55f16885c0ee9a9b5dc7fd1c7b3f5c84cc263501fc63671e3.dll,#1
2⤵
PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036

MITRE ATT&CK Matrix

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Downloads

memory/1048-114-0x0000000000000000-mapping.dmp

Download
memory/1048-115-0x0000000073ED0000-0x0000000073F00000-memory.dmp

Filesize
192KB

Download
memory/1048-117-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

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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