16f8bb5fc33d19d9943567dcf46c3d9a8d9c44c0c4a8ead39b78b67b5312ddcd

General

Target

526d213295fc56d4fe85a1744d36ad71.exe
Size

104KB
MD5

526d213295fc56d4fe85a1744d36ad71
SHA1

de05befc3566675cbc3ceb8f5a1612f617900a8e
SHA256

16f8bb5fc33d19d9943567dcf46c3d9a8d9c44c0c4a8ead39b78b67b5312ddcd
SHA512

dee6d35b6bc446edcf927593e80aa602f0cf90820657c7a8274c5d95d3413f2999130707c74313da83051758de8e8f1b1fdf96eed93de02dd22eaedd1a34e811
SSDEEP

3072:SKcWmjRrz3Zn0b+x/eu2w0fvsInzXWbafjdP6O0MZvL:hGZn0+xmuysIrsafjdSO0M

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1584	58yAl97QCvilHiQ.exe
2960	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/4916-0-0x00000000001C0000-0x00000000001D7000-memory.dmp	upx
behavioral2/files/0x0007000000023215-6.dat	upx
behavioral2/memory/4916-8-0x00000000001C0000-0x00000000001D7000-memory.dmp	upx
behavioral2/memory/2960-7-0x0000000000B90000-0x0000000000BA7000-memory.dmp	upx
behavioral2/files/0x0005000000022717-13.dat	upx
behavioral2/memory/2960-32-0x0000000000B90000-0x0000000000BA7000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	526d213295fc56d4fe85a1744d36ad71.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	526d213295fc56d4fe85a1744d36ad71.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4916	526d213295fc56d4fe85a1744d36ad71.exe
Token: SeDebugPrivilege	2960	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 1584	4916	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 4916 wrote to memory of 1584	4916	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 4916 wrote to memory of 2960	4916	526d213295fc56d4fe85a1744d36ad71.exe	26
PID 4916 wrote to memory of 2960	4916	526d213295fc56d4fe85a1744d36ad71.exe	26
PID 4916 wrote to memory of 2960	4916	526d213295fc56d4fe85a1744d36ad71.exe	26

C:\Users\Admin\AppData\Local\Temp\526d213295fc56d4fe85a1744d36ad71.exe
"C:\Users\Admin\AppData\Local\Temp\526d213295fc56d4fe85a1744d36ad71.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916
- 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:2960
- C:\Users\Admin\AppData\Local\Temp\58yAl97QCvilHiQ.exe
  C:\Users\Admin\AppData\Local\Temp\58yAl97QCvilHiQ.exe
  2⤵
  - Executes dropped EXE
  PID:1584

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

Replay Monitor

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Downloads

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

Filesize
147KB

MD5
b03d7a6c16a4de5ea4333a52747af9fe

SHA1
3409494e37614842c77fec1e1f260def4b9a58ae

SHA256
ae97a80bdc266ef792cd2b48e59908e90af3d499fb1b7cd007d92993e4271bfe

SHA512
a47b18bd4fb115b334c4880b0b744195f3457f71d3b29809049f3860784481f5104e6c046d1c1f7b02c63a347e7befdf178ef4ba7f948a4e8d61484fe95ea1d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\58yAl97QCvilHiQ.exe

Filesize
74KB

MD5
f599881695340e703e02ab6d6e6ffa0c

SHA1
baac4dcec380e4166b6183ce364a9d787d893668

SHA256
2a69982099c2a80417650ae4b5c3842fddf77dbe39a58046a6f482054d2d2d71

SHA512
7e00fd26558a39175bc36ca9c82ffbe85ca313872b65013661bb215600540006044969f0373f514b4db0c1fc2e1e9a113ce4fdfdaff109e16092a450f0ab6585

Download Submit
C:\Users\Admin\AppData\Local\Temp\58yAl97QCvilHiQ.exe

Filesize
53KB

MD5
9629a55ac10d424b20d4e5f8964e2d22

SHA1
007349b626883f016fe1201092bc3f6fb2914c31

SHA256
c55d6df90aa3643c13f03f149551ce467c7dc6450d09c26842a012a7576da1d7

SHA512
de0830aaef4add86c3167d8e19ca043758b4b0f1173710a19d47814a13ce04a1de28751f9c522b212a5c14564f7b2ee38fb775e9baea9ed5efe43073c4b6d4a0

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2960-7-0x0000000000B90000-0x0000000000BA7000-memory.dmp

Filesize
92KB

Download
memory/2960-32-0x0000000000B90000-0x0000000000BA7000-memory.dmp

Filesize
92KB

Download
memory/4916-0-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download
memory/4916-8-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads