darksiderat | f05e79442b2ee0fcda6ac319ecd0d1c45a56bbe418a0fcdc40209daee95dea67

General

Target
mw3.exe
Size 3.8MB
Sample261105-2j2vfaes6s
SHA256 f05e79442b2ee0fcda6ac319ecd0d1c45a56bbe418a0fcdc40209daee95dea67
MD5 9242ad20db1fd0c62011d4614a082adc
SHA1 0bcf53e543bba239baeb0ab6500a21326a3a8933
SHA512 de7f6b86d5cc462ee32aab15e9020644cdeeedbe31427d6ebd31dcd5c9e447e2eaa39418d4a6d6aca9c688480c91a434594eb3ee594a1b69a7b7b432d67ab987
SSDEEP 49152:129BvtchdTOZVZGdzvchdTOZVZGdzSyw:129Xc3UVevc3UVe
TLSH
T103064A1AC6ED985FE1F662B592441970C0A1DAE7810EC8DE319E7FECDD66C006D18ECB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution darksiderat persistence trojan

Malware Config

Signatures

Family: DarkSideRAT
DarkSideRAT is a remote access trojan.
trojan darksiderat

Detects DarkSideRAT 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002859b-29.dat	family_darksiderat

Downloads MZ/PE file 1 IoCs

flow	pid	Process
6	4500	mw3.exe

Sets service image path in registry 3 TTPs 1 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SagdOAebOZtutdPcEZWRuHS\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\SagdOAebOZtutdPcEZWRuHS"	2hL5U.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3718455638-2296795630-1576855121-1000\Control Panel\International\Geo\Nation	mw3.exe

Executes dropped EXE 2 IoCs

pid	Process
3524	2hL5U.exe
3068	ox_1793918261975.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\2hL5U.sys	mw3.exe
File created	C:\Windows\SoftwareDistribution\Download\2hL5U.exe	mw3.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3576	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	mw3.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	mw3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3524	2hL5U.exe
3524	2hL5U.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3524	2hL5U.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	2hL5U.exe
Token: SeLoadDriverPrivilege	3524	2hL5U.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 3524	4500	mw3.exe	85
PID 4500 wrote to memory of 4608	4500	mw3.exe	88
PID 4608 wrote to memory of 3068	4608	cmd.exe	90
PID 4500 wrote to memory of 3576	4500	mw3.exe	98

C:\Users\Admin\AppData\Local\Temp\mw3.exe
"C:\Users\Admin\AppData\Local\Temp\mw3.exe"
1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Windows\SoftwareDistribution\Download\2hL5U.exe
  "C:\Windows\SoftwareDistribution\Download\2hL5U.exe" -map C:\Windows\SoftwareDistribution\Download\2hL5U.sys
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3524
- C:\Windows\system32\cmd.exe
  /c start C:\Users\Admin\AppData\Local\Temp\ox_1793918261975.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4608
- - C:\Users\Admin\AppData\Local\Temp\ox_1793918261975.exe
    C:\Users\Admin\AppData\Local\Temp\ox_1793918261975.exe
    3⤵
    - Executes dropped EXE
    PID:3068
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  - Executes a command shell one-liner
  PID:3576

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Retev[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZEOIHDW9\Retev[1].htm
Size 67KB
SHA256 245c4870dbf4b2f0102835addb1780d845bd1c31d5ac2a8ac7a5dfe993d6365f
MD5 32b268f7114cd6816d3b1c0558e88f95
SHA1 1d0caf4582173eb45e0be05134ed432a21f5af55
SHA512 9b453ea4ac1ec6f216629ca16654e78f02fb61af8158eb3153e3fbecaae8e78b50c53242c4e76a93d59f3f3150392805a18892b103cd689d6814c7984b5e866b
SSDEEP 768:d8w6iBGb+IyfJoTOBPca/CCNNl1uHBNdXIBMEB44w7Fv6NDzSkzNT2L:PIyfiTOpZNiMMuw7Z6NDzPNTI
TLSH
T18363E735C9A9B13FD3199C78DE060D84DF62BC8A4784BF97A7D11CE60F92A902F1D681
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

2hL5U.exe

Path C:\Windows\SoftwareDistribution\Download\2hL5U.exe
Size 1.8MB
SHA256 46dd000e731a51f59b2c5483447e179a10cb3e01d9256bd6a9567eb1ee7425df
MD5 e57e13694f34ddcde3402db2e01aabd2
SHA1 31ef6d3bb1970fb52f90ac4ed34ed801fc004f69
SHA512 dc1ccc07cb2cafcd3491382a0ebfa5af8ae30f90344acbc44b0626f5e611496e9b65f4625dca015acd778e2952d6dcd11065cc2bf31106c786eba2da91f29cf9
SSDEEP 24576:f0Bv4kOdGcNqFjokufAYth7OSt9CVMXkSJdzcxbDke:cBvtchdTOZVZGdz
TLSH
T18C85391AC6ED985FE1E662B592841970C0A1DAE7810EC8DE314E7FECDDA5D007D18ECB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4500-0-0x0000000140000000-0x00000001403CE000-memory.dmp

Download

memory/4500-33-0x0000000140000000-0x00000001403CE000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads