dridex | ca205fdd8a737dbcec5bba9ec54a1dc57d125369d67bf789fd7af6ad4b4001c7

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 08:49

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General

Target

ca205fdd8a737dbcec5bba9ec54a1dc57d125369d67bf789fd7af6ad4b4001c7.dll
Size

160KB
MD5

65738b2d9e1048315bf715031f5ef703
SHA1

2c5c594f357b2f972ecc86d665571e53fadc7f83
SHA256

ca205fdd8a737dbcec5bba9ec54a1dc57d125369d67bf789fd7af6ad4b4001c7
SHA512

78f426b1500b8dc4df62ab617293e8e404803f33123a1f90a4239dae2ca12913e55ad90684d16f6533880984f07c4832cb19261bdf405f66a84aea415e034043

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/4072-115-0x0000000073B70000-0x0000000073B9E000-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 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca205fdd8a737dbcec5bba9ec54a1dc57d125369d67bf789fd7af6ad4b4001c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca205fdd8a737dbcec5bba9ec54a1dc57d125369d67bf789fd7af6ad4b4001c7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4072

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

Replay Monitor

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Downloads

memory/4072-114-0x0000000000000000-mapping.dmp

Download
memory/4072-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Filesize
184KB

Download
memory/4072-117-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

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