darktrack | 399b5ca1eee21d07a146800fbccb360c524171237b49b1fa415fbabd0c6b92e8

Analysis

max time kernel
145s
max time network
145s
platform
windows10_x64
resource
win10v20210408
submitted
29-04-2021 21:58

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General

Target

server.exe
Size

627KB
MD5

ccadb01dd1b49d0feb520c6bf7f819ef
SHA1

f0a859f869fe2c4c01541f7777be40b97fa8820d
SHA256

399b5ca1eee21d07a146800fbccb360c524171237b49b1fa415fbabd0c6b92e8
SHA512

82bbcdee9acf630fc8e1f15bafec31e2d7f6ac6f998006a4d64ea2b13c7d7a78f2fb51fa6f652ad65dab7e191fd8b17cda3b570ef0101374e1d1b0682932d77c

Score

10^/10

darktrack persistence rat stealer

Malware Config

Signatures

DarkTrack
DarkTrack is a remote administration tool written in delphi.
rat stealer darktrack

DarkTrack Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000200000001ab3a-116.dat	family_darktrack
behavioral2/files/0x000200000001ab3a-117.dat	family_darktrack

Executes dropped EXE 1 IoCs

pid	Process
3356	DtServ32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\DtServ32sm.exe = "C:\\Users\\Admin\\AppData\\Roaming\\DtServ32.exe"	notepad.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3356	DtServ32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 3080	656	server.exe	75
PID 656 wrote to memory of 3080	656	server.exe	75
PID 656 wrote to memory of 3080	656	server.exe	75
PID 656 wrote to memory of 3356	656	server.exe	77
PID 656 wrote to memory of 3356	656	server.exe	77
PID 656 wrote to memory of 3356	656	server.exe	77
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78
PID 3356 wrote to memory of 2028	3356	DtServ32.exe	78

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\server.exe >> NUL
  2⤵
  PID:3080
- C:\Users\Admin\AppData\Roaming\DtServ32.exe
  "C:\Users\Admin\AppData\Roaming\DtServ32.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2028-119-0x0000000002A00000-0x0000000002AAE000-memory.dmp

Filesize
696KB

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