dridex | e61cd137b79b66476e496eedb0f9f45f36e94855f3f014e09bb5ff7cc5c23830

Analysis

max time kernel
25s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:16

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General

Target

e61cd137b79b66476e496eedb0f9f45f36e94855f3f014e09bb5ff7cc5c23830.dll
Size

174KB
MD5

5ec5f8c6510ebdb5e657ba2257ba1019
SHA1

72be60edb83780e3ea0861d393592adc5f7c04d0
SHA256

e61cd137b79b66476e496eedb0f9f45f36e94855f3f014e09bb5ff7cc5c23830
SHA512

2f703461f734f53009167783713b64dc95055b7649ae83e57818e0bb1765771351d4fffd28898768d41aed34302f11ac70bd6c9d8d49b303408788a3189abb9a

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/1028-115-0x00000000735F0000-0x0000000073620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2964 1028 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2964	1028	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2964 WerFault.exe
Token: SeBackupPrivilege 2964 WerFault.exe
Token: SeDebugPrivilege 2964 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2964	WerFault.exe
Token: SeBackupPrivilege	2964	WerFault.exe
Token: SeDebugPrivilege	2964	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 596 wrote to memory of 1028	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1028	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1028	596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e61cd137b79b66476e496eedb0f9f45f36e94855f3f014e09bb5ff7cc5c23830.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e61cd137b79b66476e496eedb0f9f45f36e94855f3f014e09bb5ff7cc5c23830.dll,#1
2⤵
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964

MITRE ATT&CK Matrix

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Downloads

memory/1028-114-0x0000000000000000-mapping.dmp

Download
memory/1028-115-0x00000000735F0000-0x0000000073620000-memory.dmp

Filesize
192KB

Download
memory/1028-117-0x0000000002E40000-0x0000000002E46000-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