dridex | 4ab9cbfc89ffd1638a541e273a5df57f08f8e3a016771137a296517c94ea38dd

Analysis

max time kernel
18s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 23:55

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General

Target

4ab9cbfc89ffd1638a541e273a5df57f08f8e3a016771137a296517c94ea38dd.dll
Size

174KB
MD5

1577fa8fcefd5226d4dcd648121ca7b2
SHA1

351883a62b31eafda954a36a287d671b56d18336
SHA256

4ab9cbfc89ffd1638a541e273a5df57f08f8e3a016771137a296517c94ea38dd
SHA512

7f5bf504bba1a94902aec92d00e10a8cbad77e4cc7d56150b39399d59620bfb189a0eb6facfe58adfb62e94e63c1df81c96dbac65852f30b0cafd8974b2ec24a

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/504-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2804 504 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2804	504	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe
2804	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2804 WerFault.exe
Token: SeBackupPrivilege 2804 WerFault.exe
Token: SeDebugPrivilege 2804 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2804	WerFault.exe
Token: SeBackupPrivilege	2804	WerFault.exe
Token: SeDebugPrivilege	2804	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3904 wrote to memory of 504	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 504	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 504	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab9cbfc89ffd1638a541e273a5df57f08f8e3a016771137a296517c94ea38dd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab9cbfc89ffd1638a541e273a5df57f08f8e3a016771137a296517c94ea38dd.dll,#1
2⤵
PID:504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 504 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2804

MITRE ATT&CK Matrix

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Downloads

memory/504-114-0x0000000000000000-mapping.dmp

Download
memory/504-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp

Filesize
192KB

Download
memory/504-117-0x0000000000A00000-0x0000000000B4A000-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