c2b18d558c41919021fbf0165dff5f57f26ff9090279a95e8762bbac6bbfd0cc

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 22:52

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General

Target

7e3792f05e502eb3e47f6fd739d40819.exe
Size

29KB
MD5

7e3792f05e502eb3e47f6fd739d40819
SHA1

32932ab541e47f06442791af45e69051cc9fad8d
SHA256

c2b18d558c41919021fbf0165dff5f57f26ff9090279a95e8762bbac6bbfd0cc
SHA512

58acc5fa7733ce8508433aa88f9a1397c8b2a7be3ba1aee95603e275b5b6effdd9683c3f83f34bfe754eaf48f51e11ec6819237bb1444b96f27c6402e2f1cf75
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF9:SKcR4mjD9r823F9

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2812	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1968-0-0x0000000000CD0000-0x0000000000CE7000-memory.dmp	upx
behavioral1/memory/1968-8-0x0000000000CD0000-0x0000000000CE7000-memory.dmp	upx
behavioral1/memory/2812-12-0x0000000001270000-0x0000000001287000-memory.dmp	upx
behavioral1/files/0x0009000000012266-11.dat	upx
behavioral1/files/0x0008000000012243-14.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"	7e3792f05e502eb3e47f6fd739d40819.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	CTS.exe
File created	C:\Windows\CTS.exe	7e3792f05e502eb3e47f6fd739d40819.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	7e3792f05e502eb3e47f6fd739d40819.exe
Token: SeDebugPrivilege	2812	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2812	1968	7e3792f05e502eb3e47f6fd739d40819.exe	18
PID 1968 wrote to memory of 2812	1968	7e3792f05e502eb3e47f6fd739d40819.exe	18
PID 1968 wrote to memory of 2812	1968	7e3792f05e502eb3e47f6fd739d40819.exe	18
PID 1968 wrote to memory of 2812	1968	7e3792f05e502eb3e47f6fd739d40819.exe	18

C:\Users\Admin\AppData\Local\Temp\7e3792f05e502eb3e47f6fd739d40819.exe
"C:\Users\Admin\AppData\Local\Temp\7e3792f05e502eb3e47f6fd739d40819.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- 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:2812

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\Temp\tgN2UiUfoiRUZdq.exe

Filesize
29KB

MD5
6341c77424f55ba71420a33ede4d49a8

SHA1
8ac8663942d099f7a7fb676277a2ba34db0fc21f

SHA256
17cd4ff3a656ba64a7dbea04f6079b3162e84131c728bf1b1b86be8b334916f0

SHA512
54bc35055e1db03b57df7de3df0a9d830a89ecef29ea52df73ab4fb8afe1a0bc21632ec14b67fa33d973e6db31b94032460fb1bf429c57ce1c2f4395b8caeccd

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1968-0-0x0000000000CD0000-0x0000000000CE7000-memory.dmp

Filesize
92KB

Download
memory/1968-8-0x0000000000CD0000-0x0000000000CE7000-memory.dmp

Filesize
92KB

Download
memory/1968-9-0x0000000000160000-0x0000000000177000-memory.dmp

Filesize
92KB

Download
memory/1968-18-0x0000000000160000-0x0000000000177000-memory.dmp

Filesize
92KB

Download
memory/2812-12-0x0000000001270000-0x0000000001287000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads