dridex | 1bfd4ce3970fa9ec3e2a296f5b05459503caaa92e64855796612f8ad0563cec3

Analysis

max time kernel
34s
max time network
12s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

1bfd4ce3970fa9ec3e2a296f5b05459503caaa92e64855796612f8ad0563cec3.dll
Size

154KB
MD5

a71640941a75a4543c1883f77d606f57
SHA1

af569694765dfb1fa6af8709fcd30f8835e76428
SHA256

1bfd4ce3970fa9ec3e2a296f5b05459503caaa92e64855796612f8ad0563cec3
SHA512

7b3748cf24383c1c3b4a71005462e5969f74b2cdf4abba2cb22c156f62eec8fc0c095ca4a61cf837bb1766a0a179e341a23d34d059cb6d3a2eff73e5a29f8d9c

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1840-62-0x0000000074710000-0x000000007473D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1840	1308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bfd4ce3970fa9ec3e2a296f5b05459503caaa92e64855796612f8ad0563cec3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bfd4ce3970fa9ec3e2a296f5b05459503caaa92e64855796612f8ad0563cec3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1840

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1840-60-0x0000000000000000-mapping.dmp

Download
memory/1840-61-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1840-62-0x0000000074710000-0x000000007473D000-memory.dmp

Filesize
180KB

Download
memory/1840-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download