dridex | 1bd2e431f2631a5bfc21a9e244bb28d4230dad825b9d6396afcd32458923fb0a

Analysis

max time kernel
123s
max time network
123s
platform
windows10_x64
resource
win10-en-20211208
submitted
27-12-2021 09:17

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General

Target

tmp/1bd2e431f2631a5bfc21a9e244bb28d4230dad825b9d6396afcd32458923fb0a.exe.dll
Size

524KB
MD5

0d9cc367aa4abc5620b6fcf8e9272f53
SHA1

cb6db576bbe636a895d0ad3e3136483d0ec777be
SHA256

1bd2e431f2631a5bfc21a9e244bb28d4230dad825b9d6396afcd32458923fb0a
SHA512

f827b80e02a9fd180c6bc6d4261c1ce09d42f301f3137420942b8308688de5bbc6ed9d5945388f3ba5ac877f2211b5088b48fb72c8db10b97b81f0fdf60eb655

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

104.36.167.47:443

188.40.48.93:4664

162.241.33.132:9217

217.160.5.104:593

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/2748-116-0x0000000073840000-0x00000000738C5000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2908 2748 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2908	2748	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2908 WerFault.exe
Token: SeBackupPrivilege 2908 WerFault.exe
Token: SeDebugPrivilege 2908 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2908	WerFault.exe
Token: SeBackupPrivilege	2908	WerFault.exe
Token: SeDebugPrivilege	2908	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2692 wrote to memory of 2748	2692	rundll32.exe	rundll32.exe
PID 2692 wrote to memory of 2748	2692	rundll32.exe	rundll32.exe
PID 2692 wrote to memory of 2748	2692	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\1bd2e431f2631a5bfc21a9e244bb28d4230dad825b9d6396afcd32458923fb0a.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\1bd2e431f2631a5bfc21a9e244bb28d4230dad825b9d6396afcd32458923fb0a.exe.dll,#1
2⤵
PID:2748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 692
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908

Network

MITRE ATT&CK Matrix

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Downloads

memory/2748-115-0x0000000000000000-mapping.dmp

Download
memory/2748-116-0x0000000073840000-0x00000000738C5000-memory.dmp

Filesize
532KB

Download
memory/2748-118-0x0000000003400000-0x0000000003423000-memory.dmp

Filesize
140KB

Download