fee0f29686b7164dacc3bbfe9c5e2bdac24d37f0e617721788eec173c976ba0c

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 18:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99c0bc283e7897d00cbae06b49acd26d_JC.exe
Size

82KB
MD5

99c0bc283e7897d00cbae06b49acd26d
SHA1

c26f1b49721f3676747db58b0519735598153193
SHA256

fee0f29686b7164dacc3bbfe9c5e2bdac24d37f0e617721788eec173c976ba0c
SHA512

e41ec592ac9944c42c9f93b7dc43b4baa1d90ab401567a6436d28e8fe795285ff592ae57284ea87e918b0a100befd468d1a88076242b80fa6952931983ba174e
SSDEEP

768:NNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2ZR1RGn8NIoGLLRNeo6:NcNjQlsWjcd+xzl7SM+Gn8255Neo6

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2820	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2212-0-0x0000000000530000-0x0000000000549000-memory.dmp	upx
behavioral2/files/0x0002000000022889-6.dat	upx
behavioral2/memory/2820-9-0x0000000000800000-0x0000000000819000-memory.dmp	upx
behavioral2/files/0x0002000000022889-8.dat	upx
behavioral2/memory/2212-7-0x0000000000530000-0x0000000000549000-memory.dmp	upx
behavioral2/files/0x00050000000226ea-12.dat	upx
behavioral2/files/0x000200000002288b-29.dat	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"	99c0bc283e7897d00cbae06b49acd26d_JC.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	99c0bc283e7897d00cbae06b49acd26d_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	99c0bc283e7897d00cbae06b49acd26d_JC.exe
Token: SeDebugPrivilege	2820	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2820	2212	99c0bc283e7897d00cbae06b49acd26d_JC.exe	82
PID 2212 wrote to memory of 2820	2212	99c0bc283e7897d00cbae06b49acd26d_JC.exe	82
PID 2212 wrote to memory of 2820	2212	99c0bc283e7897d00cbae06b49acd26d_JC.exe	82

C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\99c0bc283e7897d00cbae06b49acd26d_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2212
- 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:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

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
404KB

MD5
26bc347bcf511e07518d3f5e776ed38f

SHA1
f03b6c1a363749d4996ad3a7247b322abe52bdd5

SHA256
cdb71ea5b73d4c472d9d9eae069ead72d88716c3d576f65e10b23b96ddd6c9ed

SHA512
61bfbaf0ff671cf9955c7e7d2aae6f331b28fe37b6218af6bc92dec768fb20a08791faec22638006d4ab9c2add64d4de6cffdcba4788eb700f36f4aa765d959b

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

Filesize
82KB

MD5
a706b86fdc520c8009b52e07e120e863

SHA1
c2704e94bda90e4031d5e24a3234ae0104fa3bb0

SHA256
7485ea142b7d424f257bddd822bcf017becb24c3b4966647f2eb299e380b2ccd

SHA512
b74a16c78942c54ea3ceb11ad2ba3ac94eb287d712650e7d587b4f49f3936f3f106c3bc613c7b9defcd3aa0bfc78d4dc43c0fd5345c7759be4b7914b2b1f8a20

Download Submit
C:\Windows\CTS.exe

Filesize
82KB

MD5
112e2e3d0f9b5bdfc715836bfd6360cf

SHA1
3376a739daff15255ad9b6552897856df1778ed1

SHA256
739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db

SHA512
6ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b

Download Submit
C:\Windows\CTS.exe

Filesize
82KB

MD5
112e2e3d0f9b5bdfc715836bfd6360cf

SHA1
3376a739daff15255ad9b6552897856df1778ed1

SHA256
739998c19476d853c1c4264b79f01c4c3429c8e34746a6e22fdb7ef07db375db

SHA512
6ec42ffda1f8c8245ece5856b6536c3dc9e6ff78bc93ab1a123ee6b01dadd2550ffa8623bd2e21038e27f2a94b305dba02f9abd31576c62d9f3ed90c98974f4b

Download Submit
memory/2212-0-0x0000000000530000-0x0000000000549000-memory.dmp

Filesize
100KB

Download
memory/2212-7-0x0000000000530000-0x0000000000549000-memory.dmp

Filesize
100KB

Download
memory/2820-9-0x0000000000800000-0x0000000000819000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads