86eacf089cc5990a4a65d54574496d5205c38653f0f401fdc13f8c00e8a41d9d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 09:02

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General

Target

dec908b94e1cc3284fda619029fa62f6.exe
Size

48KB
MD5

dec908b94e1cc3284fda619029fa62f6
SHA1

d29d79f94bb5935f73f3afa2cb29ad6c471b5d2a
SHA256

86eacf089cc5990a4a65d54574496d5205c38653f0f401fdc13f8c00e8a41d9d
SHA512

9e1ea7461da35d52eb42a3d4c2c7ac5f62df725502cac871f9d50d2bef3f457a106eb32d0674b741894ea3d1523b64d5ca414eef70a7af48dc183d02b8f4cc3d
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFySkOpEbZvSEW9lbyuaI:SKcR4mjD9r823Fy1O2w3lonreD

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4288	ypScLlwXPl9Jxnc.exe
1324	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/2736-0-0x0000000000F90000-0x0000000000FA7000-memory.dmp	upx
behavioral2/files/0x00080000000231ef-7.dat	upx
behavioral2/memory/1324-8-0x0000000000A90000-0x0000000000AA7000-memory.dmp	upx
behavioral2/memory/2736-9-0x0000000000F90000-0x0000000000FA7000-memory.dmp	upx
behavioral2/files/0x000600000002275d-12.dat	upx
behavioral2/memory/1324-31-0x0000000000A90000-0x0000000000AA7000-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"	dec908b94e1cc3284fda619029fa62f6.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	dec908b94e1cc3284fda619029fa62f6.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	dec908b94e1cc3284fda619029fa62f6.exe
Token: SeDebugPrivilege	1324	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4288	2736	dec908b94e1cc3284fda619029fa62f6.exe	88
PID 2736 wrote to memory of 4288	2736	dec908b94e1cc3284fda619029fa62f6.exe	88
PID 2736 wrote to memory of 1324	2736	dec908b94e1cc3284fda619029fa62f6.exe	90
PID 2736 wrote to memory of 1324	2736	dec908b94e1cc3284fda619029fa62f6.exe	90
PID 2736 wrote to memory of 1324	2736	dec908b94e1cc3284fda619029fa62f6.exe	90

C:\Users\Admin\AppData\Local\Temp\dec908b94e1cc3284fda619029fa62f6.exe
"C:\Users\Admin\AppData\Local\Temp\dec908b94e1cc3284fda619029fa62f6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\ypScLlwXPl9Jxnc.exe
  C:\Users\Admin\AppData\Local\Temp\ypScLlwXPl9Jxnc.exe
  2⤵
  - Executes dropped EXE
  PID:4288
- 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:1324

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
351KB

MD5
3578fb230b3e957e2f1603bc889f0782

SHA1
f696ac1487c0e29606e8f7b73a877ad0dd207605

SHA256
0b14ea6ea7f809c7e54c14e00e439f76b1a325bb804a520ff7fb1cae2d105601

SHA512
181472a664dd554b4955dae1df3fd5f8abd3268c6bcd4f5e5b3321d30b4bf02d1e54f879cbd6fd061a27705b23b3e676c1c0f5f3b9172d4f4849f3854dd871e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\ypScLlwXPl9Jxnc.exe

Filesize
18KB

MD5
3d02b1d79394fe13058ab40a0abfb133

SHA1
d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9

SHA256
41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900

SHA512
0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1324-8-0x0000000000A90000-0x0000000000AA7000-memory.dmp

Filesize
92KB

Download
memory/1324-31-0x0000000000A90000-0x0000000000AA7000-memory.dmp

Filesize
92KB

Download
memory/2736-0-0x0000000000F90000-0x0000000000FA7000-memory.dmp

Filesize
92KB

Download
memory/2736-9-0x0000000000F90000-0x0000000000FA7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads