dridex | a7fd598c1eb2a2613029d9a437e3ae7d594e35a65486fc8e42bf76528d144795

Analysis

max time kernel
17s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:39

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General

Target

a7fd598c1eb2a2613029d9a437e3ae7d594e35a65486fc8e42bf76528d144795.dll
Size

170KB
MD5

1f9319a16281f56b977c6446eed4725b
SHA1

8bb02493023f38e558092fe6d3a5c493c36303e3
SHA256

a7fd598c1eb2a2613029d9a437e3ae7d594e35a65486fc8e42bf76528d144795
SHA512

9a151e57fcb3538a8c97bc34bff41419e2a23ccd5e4cc77d915e0c84e291f502c449d4e9fbbe1d9e6ca16bb78821621c893c5edc94534b17cb8ee6140b4dda86

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1920 created 796 1920 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1920 created 796	1920	WerFault.exe	rundll32.exe

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/796-115-0x00000000742B0000-0x00000000742DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1920 796 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1920	796	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1920 WerFault.exe
Token: SeBackupPrivilege 1920 WerFault.exe
Token: SeDebugPrivilege 1920 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1920	WerFault.exe
Token: SeBackupPrivilege	1920	WerFault.exe
Token: SeDebugPrivilege	1920	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7fd598c1eb2a2613029d9a437e3ae7d594e35a65486fc8e42bf76528d144795.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7fd598c1eb2a2613029d9a437e3ae7d594e35a65486fc8e42bf76528d144795.dll,#1
2⤵
PID:796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920

MITRE ATT&CK Matrix

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Downloads

memory/796-114-0x0000000000000000-mapping.dmp

Download
memory/796-115-0x00000000742B0000-0x00000000742DF000-memory.dmp

Filesize
188KB

Download
memory/796-117-0x0000000004C40000-0x0000000004C63000-memory.dmp

Filesize
140KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads