dridex | 1a42c7026a46a11d9cc547632cbd14e554d8da0310fe2afccfdfb06a05cb8fe1

Analysis

max time kernel
26s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 02:24

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General

Target

1a42c7026a46a11d9cc547632cbd14e554d8da0310fe2afccfdfb06a05cb8fe1.dll
Size

160KB
MD5

7223ca7a9bb42d7aad1419f4d993fe80
SHA1

70e1e3445c13aaaa4d91ab42aceca623786d73e7
SHA256

1a42c7026a46a11d9cc547632cbd14e554d8da0310fe2afccfdfb06a05cb8fe1
SHA512

8fd3806037990805a84ffc2e220c3122b37e604487329bc7ca56d65c50579544c7e51f0f254fe60f9c9fb75b9c33fb23380ec6e00fe432c3d1f21af34c1d3e63

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1372-115-0x0000000073ED0000-0x0000000073EFE000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 900 wrote to memory of 1372	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1372	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1372	900	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a42c7026a46a11d9cc547632cbd14e554d8da0310fe2afccfdfb06a05cb8fe1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a42c7026a46a11d9cc547632cbd14e554d8da0310fe2afccfdfb06a05cb8fe1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1372

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1372-114-0x0000000000000000-mapping.dmp

Download
memory/1372-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/1372-117-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

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