dridex | 1b8bca9df2ce17770075563a17faa0aa0906c1a89ca127738acf7f0bd9530664

Analysis

max time kernel
120s
max time network
29s
platform
windows7_x64
resource
win7-en-20210920
submitted
20-10-2021 16:30

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General

Target

1_icmp.dll
Size

180KB
MD5

96f40ac0c0c7fc5477e69cdbde704e2f
SHA1

b27aaabea10fb55e2f6ef3d9d108c70e89d23a4f
SHA256

1b8bca9df2ce17770075563a17faa0aa0906c1a89ca127738acf7f0bd9530664
SHA512

9bdd669f8c12380ef69d037b74ddfcd55a0faf7046c3094b7c8c0f9bb3a3c2852834d2951e7548d2ea55ad39bc495b839ce0240a08e4c5eaea997262203f9a42

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

155.138.203.91:443

207.180.220.242:8116

46.101.142.214:6891

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/1700-55-0x0000000074AB0000-0x0000000074ADF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

668 1700 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

668 WerFault.exe
668 WerFault.exe
668 WerFault.exe
668 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

668 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 668 WerFault.exe

pid	pid_target	process	target process
668	1700	WerFault.exe	rundll32.exe

pid	process
668	WerFault.exe
668	WerFault.exe
668	WerFault.exe
668	WerFault.exe

pid	process
668	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	668	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1576 wrote to memory of 1700	1576	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 668	1700	rundll32.exe	WerFault.exe
PID 1700 wrote to memory of 668	1700	rundll32.exe	WerFault.exe
PID 1700 wrote to memory of 668	1700	rundll32.exe	WerFault.exe
PID 1700 wrote to memory of 668	1700	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1_icmp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1_icmp.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 252
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:668

MITRE ATT&CK Matrix

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Downloads

memory/668-57-0x0000000000000000-mapping.dmp

Download
memory/668-59-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1700-53-0x0000000000000000-mapping.dmp

Download
memory/1700-54-0x0000000075951000-0x0000000075953000-memory.dmp

Filesize
8KB

Download
memory/1700-55-0x0000000074AB0000-0x0000000074ADF000-memory.dmp

Filesize
188KB

Download
memory/1700-58-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download