c2b18d558c41919021fbf0165dff5f57f26ff9090279a95e8762bbac6bbfd0cc

Analysis

max time kernel
143s
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
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
3064	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/1408-0-0x00000000007A0000-0x00000000007B7000-memory.dmp	upx
behavioral2/files/0x0006000000023217-6.dat	upx
behavioral2/memory/1408-7-0x00000000007A0000-0x00000000007B7000-memory.dmp	upx
behavioral2/memory/3064-9-0x0000000000D00000-0x0000000000D17000-memory.dmp	upx
behavioral2/files/0x000600000002272c-12.dat	upx
behavioral2/files/0x0007000000023210-29.dat	upx
behavioral2/memory/3064-31-0x0000000000D00000-0x0000000000D17000-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"	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	7e3792f05e502eb3e47f6fd739d40819.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	7e3792f05e502eb3e47f6fd739d40819.exe
Token: SeDebugPrivilege	3064	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 3064	1408	7e3792f05e502eb3e47f6fd739d40819.exe	83
PID 1408 wrote to memory of 3064	1408	7e3792f05e502eb3e47f6fd739d40819.exe	83
PID 1408 wrote to memory of 3064	1408	7e3792f05e502eb3e47f6fd739d40819.exe	83

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:1408
- 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:3064

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

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Downloads

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

Filesize
352KB

MD5
ee47b8327e7321f84548dbe9fc3f010e

SHA1
429a22a724be0b74a276ff50b9a141a62df2640d

SHA256
3fdc328fadff07684773f3a4043834baa5e33d3cea46015bc11e63c0acd2b64e

SHA512
5274d299b23f69aae9e43fd357f7e6f67efc98f8e7d30a464f2e6169eb2356f9ab038e5e8c422420166c9e7ed1807cb4c6d21a1c97b2467784d2611ba2136ac8

Download Submit
C:\Users\Admin\AppData\Local\Temp\S5hJQO9F5vv0OkO.exe

Filesize
29KB

MD5
0ee6e2484c088cbf4810cdc053733edf

SHA1
1a123ae57503d542faf70f77e29bd49b0a96ac5c

SHA256
72f25ae8493650fd0a7e19ee96484579e3259cc40348398a7c9678ef4e7912a1

SHA512
ec123d615f4f0c961a51978bc8dec15e49d39e5eddde365c5b16a5cd1d8d60ba827d29932c2c17583b06dbe779bd39a96b863bd24a614f631e52882bf7353f89

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1408-0-0x00000000007A0000-0x00000000007B7000-memory.dmp

Filesize
92KB

Download
memory/1408-7-0x00000000007A0000-0x00000000007B7000-memory.dmp

Filesize
92KB

Download
memory/3064-9-0x0000000000D00000-0x0000000000D17000-memory.dmp

Filesize
92KB

Download
memory/3064-31-0x0000000000D00000-0x0000000000D17000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads