c0d227378cd833defacdf8cbbbc9f2b80933d1cdd4a094f7fe2e34c281540bec

General

Target

c205a3953129cabee0650d8204662296.exe
Size

130KB
MD5

c205a3953129cabee0650d8204662296
SHA1

d8daf8c7641cb68810ecb16b210820eae8ce2169
SHA256

c0d227378cd833defacdf8cbbbc9f2b80933d1cdd4a094f7fe2e34c281540bec
SHA512

abb49cf3033098277536c536afc1356ba91a6b588476a6286423850979bf2fa040384d92c79105898842b4e66fe57d1b25bedcd949a0bfff8a62a3b0e62e89c2
SSDEEP

3072:sr3KcWmjRrzSe1kMkHHe9SIidtsTbPkT0LllyghBAlg3XrHcVJnE:/u1cHHs5HkRghBumXuE

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2248	zj4twmRukjFH1Qc.exe
2128	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	c205a3953129cabee0650d8204662296.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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2020-0-0x0000000000C20000-0x0000000000C37000-memory.dmp	upx
behavioral1/files/0x000b000000014230-13.dat	upx
behavioral1/memory/2128-14-0x0000000000110000-0x0000000000127000-memory.dmp	upx
behavioral1/memory/2020-11-0x0000000000C20000-0x0000000000C37000-memory.dmp	upx
behavioral1/memory/2020-7-0x0000000000160000-0x0000000000177000-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"	c205a3953129cabee0650d8204662296.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	c205a3953129cabee0650d8204662296.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	c205a3953129cabee0650d8204662296.exe
Token: SeDebugPrivilege	2128	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2248	2020	c205a3953129cabee0650d8204662296.exe	28
PID 2020 wrote to memory of 2248	2020	c205a3953129cabee0650d8204662296.exe	28
PID 2020 wrote to memory of 2248	2020	c205a3953129cabee0650d8204662296.exe	28
PID 2020 wrote to memory of 2248	2020	c205a3953129cabee0650d8204662296.exe	28
PID 2020 wrote to memory of 2128	2020	c205a3953129cabee0650d8204662296.exe	29
PID 2020 wrote to memory of 2128	2020	c205a3953129cabee0650d8204662296.exe	29
PID 2020 wrote to memory of 2128	2020	c205a3953129cabee0650d8204662296.exe	29
PID 2020 wrote to memory of 2128	2020	c205a3953129cabee0650d8204662296.exe	29

C:\Users\Admin\AppData\Local\Temp\c205a3953129cabee0650d8204662296.exe
"C:\Users\Admin\AppData\Local\Temp\c205a3953129cabee0650d8204662296.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\zj4twmRukjFH1Qc.exe
  C:\Users\Admin\AppData\Local\Temp\zj4twmRukjFH1Qc.exe
  2⤵
  - Executes dropped EXE
  PID:2248
- 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:2128

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

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\zj4twmRukjFH1Qc.exe

Filesize
94KB

MD5
9a821d8d62f4c60232b856e98cba7e4f

SHA1
4ec5dcbd43ad3b0178b26a57b8a2f41e33a48df5

SHA256
a5b3bf53bcd3c0296498383837e8f9eb7d610c535521315a96aa740cf769f525

SHA512
1b5273a52973dac77ad0ef7aa1dda929a782d762ab8489eb90dff1062dd4cc01e4f7f4157266a2abcf8941e91cf4aa5603de1dd8ee871524748e0989ebaa37d3

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2020-0-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/2020-11-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/2020-7-0x0000000000160000-0x0000000000177000-memory.dmp

Filesize
92KB

Download
memory/2128-14-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads