7318fe1409141f71c78a3e0331deff95ea964492ed4a73d9f2ee4be983130fd6

General

Target

9707047e45f48b9f8234b305ed3e6588.exe
Size

168KB
MD5

9707047e45f48b9f8234b305ed3e6588
SHA1

c38d524bdb489346562c70276e64111ed186321d
SHA256

7318fe1409141f71c78a3e0331deff95ea964492ed4a73d9f2ee4be983130fd6
SHA512

385730900b1771b2b05a7bae226709622e2ad0d7c9fdac46dd781ed6940ff7d20a05ef7afa5ee4cf48a5a11f37a17ba03fb0c10631dd28f6b8320154a3abf1df
SSDEEP

3072:Xjr87S7Gnz55EoVKcWmjRrz3KsPR/tD8IM9RQAEKvNXmg6rgHb:sZl2PGKspyIMTQ5kRtfb

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3592	8Ahd3RJIQQkidDg.exe
4724	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3188-0-0x0000000000050000-0x0000000000069000-memory.dmp	upx
behavioral2/files/0x000700000002324d-6.dat	upx
behavioral2/memory/3188-8-0x0000000000050000-0x0000000000069000-memory.dmp	upx
behavioral2/memory/4724-7-0x0000000000890000-0x00000000008A9000-memory.dmp	upx
behavioral2/files/0x00040000000227e6-12.dat	upx
behavioral2/memory/4724-41-0x0000000000890000-0x00000000008A9000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	9707047e45f48b9f8234b305ed3e6588.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	9707047e45f48b9f8234b305ed3e6588.exe
File created	C:\Windows\CTS.exe	CTS.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3188	9707047e45f48b9f8234b305ed3e6588.exe
Token: SeDebugPrivilege	4724	CTS.exe
Token: SeBackupPrivilege	792	dw20.exe
Token: SeBackupPrivilege	792	dw20.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 3592	3188	9707047e45f48b9f8234b305ed3e6588.exe	85
PID 3188 wrote to memory of 3592	3188	9707047e45f48b9f8234b305ed3e6588.exe	85
PID 3188 wrote to memory of 4724	3188	9707047e45f48b9f8234b305ed3e6588.exe	86
PID 3188 wrote to memory of 4724	3188	9707047e45f48b9f8234b305ed3e6588.exe	86
PID 3188 wrote to memory of 4724	3188	9707047e45f48b9f8234b305ed3e6588.exe	86
PID 3592 wrote to memory of 792	3592	8Ahd3RJIQQkidDg.exe	88
PID 3592 wrote to memory of 792	3592	8Ahd3RJIQQkidDg.exe	88

C:\Users\Admin\AppData\Local\Temp\9707047e45f48b9f8234b305ed3e6588.exe
"C:\Users\Admin\AppData\Local\Temp\9707047e45f48b9f8234b305ed3e6588.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\8Ahd3RJIQQkidDg.exe
  C:\Users\Admin\AppData\Local\Temp\8Ahd3RJIQQkidDg.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 804
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:792
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
435KB

MD5
b6a22014508fa5436115f39825916ad0

SHA1
b3a5767019ae128a2383916c7f6471544faa3317

SHA256
f7cbfea4c1ebb0cbdb52670618c58f427807fc1fdabaa2c1a8586aa8543d3dcd

SHA512
b21f4660a69aac163108cfab33fc8fd00739e23ce3bf40e7771cfcc6ff09d6af99d7470c9a247bf5399094b86cd97df34aa1316e18a68e3029aaef52345af825

Download Submit
C:\Users\Admin\AppData\Local\Temp\8Ahd3RJIQQkidDg.exe

Filesize
56KB

MD5
e115521ba14b75f53dcdff087ec6898f

SHA1
87103a892bb514a93d485fba221bacb9da3aae25

SHA256
59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

SHA512
ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

Download Submit
C:\Windows\CTS.exe

Filesize
112KB

MD5
5dfd082c2449338733617d2b925e5f01

SHA1
e214b88aeeb65e5aff724355d958fb4d30d86181

SHA256
23f33569da55f7d02da96b7aa6a3d911937118cfff940aa0fc43de644d15dc7b

SHA512
7f8303f7f69827c8fe2b2f12d91ad12860b50665d3c981bf2a5bd6c3e0ecc950b4d2f5312d3fd3ae2a7657baefee7ceded0e574a99d86ef6a3f9fac695127f6e

Download Submit
memory/3188-0-0x0000000000050000-0x0000000000069000-memory.dmp

Filesize
100KB

Download
memory/3188-8-0x0000000000050000-0x0000000000069000-memory.dmp

Filesize
100KB

Download
memory/3592-27-0x00007FFCF95C0000-0x00007FFCF9F61000-memory.dmp

Filesize
9.6MB

Download
memory/3592-28-0x00007FFCF95C0000-0x00007FFCF9F61000-memory.dmp

Filesize
9.6MB

Download
memory/3592-29-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/3592-39-0x00007FFCF95C0000-0x00007FFCF9F61000-memory.dmp

Filesize
9.6MB

Download
memory/4724-7-0x0000000000890000-0x00000000008A9000-memory.dmp

Filesize
100KB

Download
memory/4724-41-0x0000000000890000-0x00000000008A9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads