dridex | 16a1cdadc7b848ef3f557291f69889de040d20ecd5c750cea1e8ad1561fcd10c

Analysis

max time kernel
40s
max time network
43s
platform
windows7_x64
resource
win7-20220414-en
submitted
18-04-2022 13:17

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General

Target

16a1cdadc7b848ef3f557291f69889de040d20ecd5c750cea1e8ad1561fcd10c.dll
Size

391KB
MD5

b685d1ae9a1038148e31396c43ab7498
SHA1

cba868c11941d356c6ad245efd2f3a6a0630cfc7
SHA256

16a1cdadc7b848ef3f557291f69889de040d20ecd5c750cea1e8ad1561fcd10c
SHA512

81ddd7fb4daa5bca490ec413fe07fa8b3349849d763aa21860b1b99de1ea1e71ae78f1f30c5f6e227ee81142211527d03d7ee5bdcb8968bb826ebeb00d0bb3ef

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

194.150.118.7:443

45.77.154.161:1688

45.56.127.75:49160

62.171.142.179:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

2 1608 rundll32.exe
4 1608 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
2	1608	rundll32.exe
4	1608	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 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe
PID 1276 wrote to memory of 1608	1276	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a1cdadc7b848ef3f557291f69889de040d20ecd5c750cea1e8ad1561fcd10c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16a1cdadc7b848ef3f557291f69889de040d20ecd5c750cea1e8ad1561fcd10c.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1608-54-0x0000000000000000-mapping.dmp

Download
memory/1608-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

Filesize
8KB

Download
memory/1608-56-0x00000000001E0000-0x000000000021D000-memory.dmp

Filesize
244KB

Download
memory/1608-57-0x00000000002E0000-0x000000000031D000-memory.dmp

Filesize
244KB

Download