a83460c020322cb131144dfaf6c220f73c6d86cf5683ea5baeb87a7c7aa35c7e

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
25/03/2024, 16:51

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General

Target

de7b9f7d415d093a6f0fe34d70628988.exe
Size

59KB
MD5

de7b9f7d415d093a6f0fe34d70628988
SHA1

0a460859559bfefb7565e9033a359b9c0d6fa1ea
SHA256

a83460c020322cb131144dfaf6c220f73c6d86cf5683ea5baeb87a7c7aa35c7e
SHA512

eebeb8ef7e5f55f8ac044b7e3f9af33cfb3b7d904ad1dfc45f440adb34e2335ac1edbb9dd89a254139cdcf302d391996e5dc3fb6eeb4a5be6be641b88d09d4a8
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z36:SKcR4mjD9r823FHKcR4mjD9r823FJ

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2644	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/224-0-0x0000000000E20000-0x0000000000E37000-memory.dmp	upx
behavioral2/files/0x000a000000023224-6.dat	upx
behavioral2/memory/224-7-0x0000000000E20000-0x0000000000E37000-memory.dmp	upx
behavioral2/memory/2644-9-0x00000000006C0000-0x00000000006D7000-memory.dmp	upx
behavioral2/files/0x000300000002274b-12.dat	upx
behavioral2/files/0x000700000001e59e-30.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"	de7b9f7d415d093a6f0fe34d70628988.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	de7b9f7d415d093a6f0fe34d70628988.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	224	de7b9f7d415d093a6f0fe34d70628988.exe
Token: SeDebugPrivilege	2644	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 2644	224	de7b9f7d415d093a6f0fe34d70628988.exe	89
PID 224 wrote to memory of 2644	224	de7b9f7d415d093a6f0fe34d70628988.exe	89
PID 224 wrote to memory of 2644	224	de7b9f7d415d093a6f0fe34d70628988.exe	89

C:\Users\Admin\AppData\Local\Temp\de7b9f7d415d093a6f0fe34d70628988.exe
"C:\Users\Admin\AppData\Local\Temp\de7b9f7d415d093a6f0fe34d70628988.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224
- 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:2644

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
382KB

MD5
f97dd64d13fb1cc6e8f053725e37fb80

SHA1
c9cc6b8c83162de97c10d789488342fdebc551e7

SHA256
4a1c6d87a55365ba9d5e6bc89d1dacbe1d553118cb2e087fcdbf820f053b066b

SHA512
451694bcf882e7c5241c2f316c5232061fc709517f95cc39ca4838f92fd68b44e94d6f81f82f630213e78559f1f62ea4bf294f4829b870468fbe706f964e7485

Download Submit
C:\Users\Admin\AppData\Local\Temp\TwcCpQKcMH1fBnT.exe

Filesize
59KB

MD5
46d5506aea32656087e669555ede3c1c

SHA1
03a138b938c8cb82a11d6124df43884f4e91648b

SHA256
864cda01a0ee4eb8c65bfa3e4749d8dba2f9fdc5508a356fadb1a76ce5fcaa2a

SHA512
73eaef5244450b119d3f7bce586ffa0f7f45f3c4bcb22a27210d18131cebba86131be4354780a6c720119b0344e1b746aadc241b7bd4ef75e557f3b7f119aec7

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/224-0-0x0000000000E20000-0x0000000000E37000-memory.dmp

Filesize
92KB

Download
memory/224-7-0x0000000000E20000-0x0000000000E37000-memory.dmp

Filesize
92KB

Download
memory/2644-9-0x00000000006C0000-0x00000000006D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads