dridex | 76f52b3501f21a386da2fed4f96ef61cc0f2abd297ba4e68e677a12799a793cb

Analysis

max time kernel
25s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
10-06-2021 22:41

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General

Target

bc5cd68f73dd7dfdd8baea4391ea27b2.dll
Size

177KB
MD5

bc5cd68f73dd7dfdd8baea4391ea27b2
SHA1

d288714dbe2c0029dc9fa6d74062e87f2768965d
SHA256

76f52b3501f21a386da2fed4f96ef61cc0f2abd297ba4e68e677a12799a793cb
SHA512

be07e9d6ff7bdf455f2ebcb69dd6cfd39ff2f913c9e774845e7c8e31d957911fe2df1117a20254fc25cb3581bf5c4304d46845fd28f4aa7331017e63dd5b04cc

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.91.89:9987

157.245.231.228:6051

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
behavioral2/memory/1376-115-0x0000000074160000-0x0000000074190000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3596 1376 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3596	1376	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe
3596	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3596 WerFault.exe
Token: SeBackupPrivilege 3596 WerFault.exe
Token: SeDebugPrivilege 3596 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3596	WerFault.exe
Token: SeBackupPrivilege	3596	WerFault.exe
Token: SeDebugPrivilege	3596	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 996 wrote to memory of 1376	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 1376	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 1376	996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc5cd68f73dd7dfdd8baea4391ea27b2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc5cd68f73dd7dfdd8baea4391ea27b2.dll,#1
2⤵
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 676
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596

MITRE ATT&CK Matrix

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Downloads

memory/1376-114-0x0000000000000000-mapping.dmp

Download
memory/1376-115-0x0000000074160000-0x0000000074190000-memory.dmp

Filesize
192KB

Download
memory/1376-117-0x0000000003340000-0x000000000348A000-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