583ff51797d8e0530cd7dd857f08e64ee057d423b184c281e2c1f272cda638ea

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 17:39

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General

Target

7adc92d0980efd7cb9e3342f16d58047.exe
Size

32KB
MD5

7adc92d0980efd7cb9e3342f16d58047
SHA1

acd8d2d532953ac2e167a4c8419d0a490a098709
SHA256

583ff51797d8e0530cd7dd857f08e64ee057d423b184c281e2c1f272cda638ea
SHA512

5cd99dd2dd9445cea65367eeeb313f2c5e274f883817c6e6a40ead76ce2c193941af356899d402f9ca5e234073103a019c5729816db95a57c8c2556ccc887079
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFoUe:SKcR4mjD9r823FoUe

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4684	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/2096-0-0x00000000008B0000-0x00000000008C7000-memory.dmp	upx
behavioral2/files/0x0006000000023229-6.dat	upx
behavioral2/memory/4684-8-0x00000000008E0000-0x00000000008F7000-memory.dmp	upx
behavioral2/memory/2096-9-0x00000000008B0000-0x00000000008C7000-memory.dmp	upx
behavioral2/files/0x000800000001e364-12.dat	upx
behavioral2/files/0x0007000000023222-29.dat	upx
behavioral2/memory/4684-31-0x00000000008E0000-0x00000000008F7000-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"	7adc92d0980efd7cb9e3342f16d58047.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	7adc92d0980efd7cb9e3342f16d58047.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	7adc92d0980efd7cb9e3342f16d58047.exe
Token: SeDebugPrivilege	4684	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 4684	2096	7adc92d0980efd7cb9e3342f16d58047.exe	86
PID 2096 wrote to memory of 4684	2096	7adc92d0980efd7cb9e3342f16d58047.exe	86
PID 2096 wrote to memory of 4684	2096	7adc92d0980efd7cb9e3342f16d58047.exe	86

C:\Users\Admin\AppData\Local\Temp\7adc92d0980efd7cb9e3342f16d58047.exe
"C:\Users\Admin\AppData\Local\Temp\7adc92d0980efd7cb9e3342f16d58047.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096
- 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:4684

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

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Downloads

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

Filesize
352KB

MD5
6d550ff5cb1ce4eace578ef1c4041400

SHA1
8fbd4b1d71bbb9b3ae69863963a7970e2b34efc9

SHA256
590a066f23edf3fbf0e8d09d0b3eb1f6590ade4115d8020d756200b05f59442b

SHA512
d5b903c0b8dae96390af36ea4fbeac9d8d82954c5470f21a45d716d28923f039aeb528ae8df64706ae33a0df9e4057285d784e7d42f25cd53e3573f6cb62b8ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\0MCgbKHxoL1Rmdn.exe

Filesize
32KB

MD5
144bbf0eed5fedc409fdc343dc063b09

SHA1
5493e39ba63c1e7e7e69beb97d699f1b880c14cf

SHA256
30bf27772bcddedc13537db87976012b362ef09d3d47e745125a035b96bde184

SHA512
aa51edcbd8f39d166506c15f79d174c16758b2553ad11a23af433f10c20b8f55d3211d6678b52141cde2abd75973648e00df1e9a8122280ab9c5c7dc03bf46fc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2096-0-0x00000000008B0000-0x00000000008C7000-memory.dmp

Filesize
92KB

Download
memory/2096-9-0x00000000008B0000-0x00000000008C7000-memory.dmp

Filesize
92KB

Download
memory/4684-8-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download
memory/4684-31-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads