c55610dd6a1581194493542e6f2301a257ec3131135ffcf9e2a62b9fb9c895ad

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 06:15

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General

Target

10d73576a55f2acda995f4f9d202bbc1.exe
Size

46KB
MD5

10d73576a55f2acda995f4f9d202bbc1
SHA1

14fc7b48c5a4606547992d3083e0cb495916075d
SHA256

c55610dd6a1581194493542e6f2301a257ec3131135ffcf9e2a62b9fb9c895ad
SHA512

778b5b7a0980909fe5bd1c9adbe48d89d0b34053091bacba0e87c381a9eb6e4d133f9c7943a89067fb8aacd9af648a90308eaaf7bf7ba7086e050763d68e3e83
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFZCbeAP8h1LaJ0WLvcrC:SKcR4mjD9r823FcX8z+J41ASc9

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
844	OhBWcyiPppwDRO7.exe
3184	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/3384-0-0x0000000000B70000-0x0000000000B87000-memory.dmp	upx
behavioral2/files/0x0007000000023205-6.dat	upx
behavioral2/memory/3184-7-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral2/memory/3384-9-0x0000000000B70000-0x0000000000B87000-memory.dmp	upx
behavioral2/files/0x000400000001e6ff-13.dat	upx
behavioral2/memory/3184-32-0x0000000000EE0000-0x0000000000EF7000-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"	10d73576a55f2acda995f4f9d202bbc1.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	10d73576a55f2acda995f4f9d202bbc1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3384	10d73576a55f2acda995f4f9d202bbc1.exe
Token: SeDebugPrivilege	3184	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 844	3384	10d73576a55f2acda995f4f9d202bbc1.exe	24
PID 3384 wrote to memory of 844	3384	10d73576a55f2acda995f4f9d202bbc1.exe	24
PID 3384 wrote to memory of 3184	3384	10d73576a55f2acda995f4f9d202bbc1.exe	22
PID 3384 wrote to memory of 3184	3384	10d73576a55f2acda995f4f9d202bbc1.exe	22
PID 3384 wrote to memory of 3184	3384	10d73576a55f2acda995f4f9d202bbc1.exe	22

C:\Users\Admin\AppData\Local\Temp\10d73576a55f2acda995f4f9d202bbc1.exe
"C:\Users\Admin\AppData\Local\Temp\10d73576a55f2acda995f4f9d202bbc1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3384
- 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:3184
- C:\Users\Admin\AppData\Local\Temp\OhBWcyiPppwDRO7.exe
  C:\Users\Admin\AppData\Local\Temp\OhBWcyiPppwDRO7.exe
  2⤵
  - Executes dropped EXE
  PID:844

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
5KB

MD5
0dc52a585caedc8d15ad6d3af88a014e

SHA1
31c1012647efb23639bb0eb4ed1204f4cc90f80e

SHA256
2613b462a889649370c2c6e73caa825b1b7824428675bca9f97b40d23f115ccb

SHA512
4650903520ffcf9507637f428779ee95585f5e99555559f3e3e21fbd17891840bd6d633e7781e44fcb4711ae028ecf3434ac11a9d279f1fd2eb7c59cf68264c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\OhBWcyiPppwDRO7.exe

Filesize
16KB

MD5
95c9a037d3b01a21275aa6cc73b122a2

SHA1
c19ed8afc95b91d0cc6bc075047de30eae015386

SHA256
1d5edcbae3258efb07cc57ba8d7cd1ebe2eb5106ef1a894b787ed2857952c523

SHA512
761bb76261712a597f610e3162fa1514d2f56d69d03d1b76b51c6b2a7b0c88bbd385b7dc849c6913f7d861fb3aed8551f26f640d90b621e8629abe2e4bfb6160

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3184-7-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/3184-32-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/3384-0-0x0000000000B70000-0x0000000000B87000-memory.dmp

Filesize
92KB

Download
memory/3384-9-0x0000000000B70000-0x0000000000B87000-memory.dmp

Filesize
92KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads