dridex | 813cffe5436c6e4c69d46ec1dfaafca0cb0c58c782178a073b4a357588db8f6b

Analysis

max time kernel
17s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:28

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General

Target

813cffe5436c6e4c69d46ec1dfaafca0cb0c58c782178a073b4a357588db8f6b.dll
Size

174KB
MD5

52e623c3bc301dc7ee2d7e9731382cd2
SHA1

b8484e26130ae37ef04c04b5f3a2daf6227b47a5
SHA256

813cffe5436c6e4c69d46ec1dfaafca0cb0c58c782178a073b4a357588db8f6b
SHA512

e2d935b8200ed9187ec39af7b1a2b438cd6e77cd65d2e412d768d585dd7e88d5626757dc26838a07e0725c4dc83b9e0a0e6c025a5a6d970a6d5615591f7369d1

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/3888-115-0x0000000074090000-0x00000000740C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3104 3888 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3104	3888	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe
3104	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3104 WerFault.exe
Token: SeBackupPrivilege 3104 WerFault.exe
Token: SeDebugPrivilege 3104 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3104	WerFault.exe
Token: SeBackupPrivilege	3104	WerFault.exe
Token: SeDebugPrivilege	3104	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3932 wrote to memory of 3888	3932	rundll32.exe	rundll32.exe
PID 3932 wrote to memory of 3888	3932	rundll32.exe	rundll32.exe
PID 3932 wrote to memory of 3888	3932	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\813cffe5436c6e4c69d46ec1dfaafca0cb0c58c782178a073b4a357588db8f6b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\813cffe5436c6e4c69d46ec1dfaafca0cb0c58c782178a073b4a357588db8f6b.dll,#1
2⤵
PID:3888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104

MITRE ATT&CK Matrix

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Downloads

memory/3888-114-0x0000000000000000-mapping.dmp

Download
memory/3888-115-0x0000000074090000-0x00000000740C0000-memory.dmp

Filesize
192KB

Download
memory/3888-117-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

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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