73a3aa4b9d686df03a267b9157518b0b15294655877bf704c220466633cfe040

Analysis

max time kernel
150s
max time network
167s
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 02:50

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General

Target

0c2cc48428598036ab977a2d0f15bbbb.exe
Size

246KB
MD5

0c2cc48428598036ab977a2d0f15bbbb
SHA1

0873719e94fbc5777bf7564eaab93463f310a07c
SHA256

73a3aa4b9d686df03a267b9157518b0b15294655877bf704c220466633cfe040
SHA512

be3d691d684dfb3ee3c43e9861d155bad9fcb102f84fe5a768d1e0ed4ec5c94b05462159311027d00150687115672a862b5610c0c8601162545c586e7a4ba67a
SSDEEP

6144:hG5OV+KwmZ4Qmxzujattj4SH0kTMNMVhrlpUhoDx1hWO:hQfKwPQUKjCtP/GMVxlpFDxfWO

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4564	7nMATPWd4HBrU40.exe
1344	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/3092-0-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	upx
behavioral2/memory/3092-1-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	upx
behavioral2/files/0x000300000001e7dc-8.dat	upx
behavioral2/memory/1344-10-0x0000000000020000-0x0000000000037000-memory.dmp	upx
behavioral2/memory/3092-11-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	upx
behavioral2/files/0x0007000000022556-14.dat	upx
behavioral2/memory/1344-26-0x0000000000020000-0x0000000000037000-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"	0c2cc48428598036ab977a2d0f15bbbb.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	0c2cc48428598036ab977a2d0f15bbbb.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3092	0c2cc48428598036ab977a2d0f15bbbb.exe
Token: SeDebugPrivilege	1344	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4564	3092	0c2cc48428598036ab977a2d0f15bbbb.exe	91
PID 3092 wrote to memory of 4564	3092	0c2cc48428598036ab977a2d0f15bbbb.exe	91
PID 3092 wrote to memory of 1344	3092	0c2cc48428598036ab977a2d0f15bbbb.exe	92
PID 3092 wrote to memory of 1344	3092	0c2cc48428598036ab977a2d0f15bbbb.exe	92
PID 3092 wrote to memory of 1344	3092	0c2cc48428598036ab977a2d0f15bbbb.exe	92

C:\Users\Admin\AppData\Local\Temp\0c2cc48428598036ab977a2d0f15bbbb.exe
"C:\Users\Admin\AppData\Local\Temp\0c2cc48428598036ab977a2d0f15bbbb.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Users\Admin\AppData\Local\Temp\7nMATPWd4HBrU40.exe
  C:\Users\Admin\AppData\Local\Temp\7nMATPWd4HBrU40.exe
  2⤵
  - Executes dropped EXE
  PID:4564
- 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:1344

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
352KB

MD5
03dd037c04eb2fcd69b0997f7ece4514

SHA1
da99654480180142719ec3cfe01eb945afeb2097

SHA256
efe3b1b8303d08d1a7e369173b18a84af3e05cd5e365a3107f006bc010361b08

SHA512
0a0e4f1845571f28e56179da449ab0f7c07fb3b9b0eac0cef7fcea2a5286a1566cb8c67be9dec65b6b72295e24638ce25cb45094a9f32e62991b78beb810ce05

Download Submit
C:\Users\Admin\AppData\Local\Temp\7nMATPWd4HBrU40.exe

Filesize
217KB

MD5
f8a38fd27da720881c0af1ac99b8c1ad

SHA1
2ed31938119e2ebdeb0f5539c985e9965aef72d7

SHA256
b2e32b3fa44b3a9a8fdfa906627355f6f48b4821929f9bce5ded2d07894361d4

SHA512
aafa05bc5bd68687b998fe4d9a619caecc65d14f317af7a05ac0ecab7e231891e8719029245dc84eddce20bdd4c0cc6f4ffafdf8200227746b28cc6628564495

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1344-10-0x0000000000020000-0x0000000000037000-memory.dmp

Filesize
92KB

Download
memory/1344-26-0x0000000000020000-0x0000000000037000-memory.dmp

Filesize
92KB

Download
memory/3092-0-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download
memory/3092-1-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download
memory/3092-11-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads