16f8bb5fc33d19d9943567dcf46c3d9a8d9c44c0c4a8ead39b78b67b5312ddcd

General

Target

526d213295fc56d4fe85a1744d36ad71.exe
Size

104KB
MD5

526d213295fc56d4fe85a1744d36ad71
SHA1

de05befc3566675cbc3ceb8f5a1612f617900a8e
SHA256

16f8bb5fc33d19d9943567dcf46c3d9a8d9c44c0c4a8ead39b78b67b5312ddcd
SHA512

dee6d35b6bc446edcf927593e80aa602f0cf90820657c7a8274c5d95d3413f2999130707c74313da83051758de8e8f1b1fdf96eed93de02dd22eaedd1a34e811
SSDEEP

3072:SKcWmjRrz3Zn0b+x/eu2w0fvsInzXWbafjdP6O0MZvL:hGZn0+xmuysIrsafjdSO0M

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2908	Q5rlPvt0581FTc0.exe
2728	CTS.exe

Loads dropped DLL 3 IoCs

pid	Process
3024	526d213295fc56d4fe85a1744d36ad71.exe
3024	526d213295fc56d4fe85a1744d36ad71.exe
2128	Process not Found

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 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3024-0-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral1/memory/3024-14-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral1/files/0x000d0000000122ea-17.dat	upx
behavioral1/memory/2728-19-0x0000000000310000-0x0000000000327000-memory.dmp	upx
behavioral1/files/0x0034000000012337-21.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"	526d213295fc56d4fe85a1744d36ad71.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	526d213295fc56d4fe85a1744d36ad71.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	526d213295fc56d4fe85a1744d36ad71.exe
Token: SeDebugPrivilege	2728	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2908	3024	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 3024 wrote to memory of 2908	3024	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 3024 wrote to memory of 2908	3024	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 3024 wrote to memory of 2908	3024	526d213295fc56d4fe85a1744d36ad71.exe	27
PID 3024 wrote to memory of 2728	3024	526d213295fc56d4fe85a1744d36ad71.exe	29
PID 3024 wrote to memory of 2728	3024	526d213295fc56d4fe85a1744d36ad71.exe	29
PID 3024 wrote to memory of 2728	3024	526d213295fc56d4fe85a1744d36ad71.exe	29
PID 3024 wrote to memory of 2728	3024	526d213295fc56d4fe85a1744d36ad71.exe	29

C:\Users\Admin\AppData\Local\Temp\526d213295fc56d4fe85a1744d36ad71.exe
"C:\Users\Admin\AppData\Local\Temp\526d213295fc56d4fe85a1744d36ad71.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\Q5rlPvt0581FTc0.exe
  C:\Users\Admin\AppData\Local\Temp\Q5rlPvt0581FTc0.exe
  2⤵
  - Executes dropped EXE
  PID:2908
- 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:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Q5rlPvt0581FTc0.exe

Filesize
104KB

MD5
0239fd791548e1e516e7f022f8fad9bf

SHA1
45d91b026caa06101d0a341889110e98ec72bc19

SHA256
f12efcaa2bf6f37bbbe67d465b03491f40556e0f14f93ddfd7f2ea5823117992

SHA512
536bad8a694c256906c61c6362bafe365a2f76f891a5408c04b47b0a8ed43e1e269b62abe4fbbd91410db3f4eaf4dfef904569df4539ce389c13f506a879616c

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
\Users\Admin\AppData\Local\Temp\Q5rlPvt0581FTc0.exe

Filesize
74KB

MD5
f599881695340e703e02ab6d6e6ffa0c

SHA1
baac4dcec380e4166b6183ce364a9d787d893668

SHA256
2a69982099c2a80417650ae4b5c3842fddf77dbe39a58046a6f482054d2d2d71

SHA512
7e00fd26558a39175bc36ca9c82ffbe85ca313872b65013661bb215600540006044969f0373f514b4db0c1fc2e1e9a113ce4fdfdaff109e16092a450f0ab6585

Download Submit
memory/2728-19-0x0000000000310000-0x0000000000327000-memory.dmp

Filesize
92KB

Download
memory/3024-0-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/3024-14-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/3024-18-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/3024-15-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads