6a90e819cb3949e45ec5990eb1d002d364681e0c2a31a6051ac298039563eb51

General

Target

ce817bbb6da0f12e788c55f7a104d8fe_JC.exe
Size

211KB
MD5

ce817bbb6da0f12e788c55f7a104d8fe
SHA1

6d50e78644ea3be5bd00b7b0019511ec14a010bd
SHA256

6a90e819cb3949e45ec5990eb1d002d364681e0c2a31a6051ac298039563eb51
SHA512

7ecbb05caa1a18d79dcf5d555b02a9a4e4811b4d4623d3fbddd7d07a2a684015aa216f9dd20dd6ec28ccb574317c10b28af280c98f70173d52d88bfabc10b9ea
SSDEEP

3072:Vjr87S7Gnz55EoVKcWmjRrz3rT8LFhQDdftHT7faGNxxGn98Ydz9r:6Zl2PGX8zQBftz7aGLm9f

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2480	zBIrJZ7aoArUf9S.exe
2484	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.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
behavioral1/memory/2288-0-0x0000000001370000-0x0000000001389000-memory.dmp	upx
behavioral1/memory/2288-7-0x0000000000EA0000-0x0000000000EB9000-memory.dmp	upx
behavioral1/files/0x000900000001228e-12.dat	upx
behavioral1/files/0x000900000001228e-13.dat	upx
behavioral1/memory/2288-11-0x0000000001370000-0x0000000001389000-memory.dmp	upx
behavioral1/files/0x000900000001228e-10.dat	upx
behavioral1/memory/2484-14-0x0000000000EA0000-0x0000000000EB9000-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"	ce817bbb6da0f12e788c55f7a104d8fe_JC.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	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe
Token: SeDebugPrivilege	2484	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2480	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	28
PID 2288 wrote to memory of 2480	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	28
PID 2288 wrote to memory of 2480	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	28
PID 2288 wrote to memory of 2480	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	28
PID 2288 wrote to memory of 2484	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	29
PID 2288 wrote to memory of 2484	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	29
PID 2288 wrote to memory of 2484	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	29
PID 2288 wrote to memory of 2484	2288	ce817bbb6da0f12e788c55f7a104d8fe_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\ce817bbb6da0f12e788c55f7a104d8fe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\ce817bbb6da0f12e788c55f7a104d8fe_JC.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:2288
- C:\Users\Admin\AppData\Local\Temp\zBIrJZ7aoArUf9S.exe
  C:\Users\Admin\AppData\Local\Temp\zBIrJZ7aoArUf9S.exe
  2⤵
  - Executes dropped EXE
  PID:2480
- 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:2484

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\zBIrJZ7aoArUf9S.exe

Filesize
99KB

MD5
af88cab288e8213a11a7ea5313363d31

SHA1
cb769e3246d5244a0040621e919f7c519ba49986

SHA256
7407fac6e170430f34322202b73aa392431b5c2c49e15304fb255bb24c540366

SHA512
a4e353fcb78579345d4c5bc1f48970b473e0499dfe5bc6abeffb669295fa2940ce8637045a11f881fe88dd9b97d380ae9a8eed1b94fbd47181e0b4eb427e9679

Download Submit
C:\Users\Admin\AppData\Local\Temp\zBIrJZ7aoArUf9S.exe

Filesize
99KB

MD5
af88cab288e8213a11a7ea5313363d31

SHA1
cb769e3246d5244a0040621e919f7c519ba49986

SHA256
7407fac6e170430f34322202b73aa392431b5c2c49e15304fb255bb24c540366

SHA512
a4e353fcb78579345d4c5bc1f48970b473e0499dfe5bc6abeffb669295fa2940ce8637045a11f881fe88dd9b97d380ae9a8eed1b94fbd47181e0b4eb427e9679

Download Submit
C:\Windows\CTS.exe

Filesize
112KB

MD5
8b847925c496f7bbfd36ab93e9acdf38

SHA1
9c9a9534d7f070b0e5e1d144e94d6f07af892ff8

SHA256
162bc22cfc832e081dfe516b1dcfa58f95505d4eae2643df7b892a367d5d33d7

SHA512
7d7525f579497090ec5f4dd6daba2be2231af734d091268393f7864aadb63a490d61f9ae1d04c1b33699ea5f3e68deebb5bbebd47d8ed2a9d830fbda0558ebcf

Download Submit
C:\Windows\CTS.exe

Filesize
112KB

MD5
8b847925c496f7bbfd36ab93e9acdf38

SHA1
9c9a9534d7f070b0e5e1d144e94d6f07af892ff8

SHA256
162bc22cfc832e081dfe516b1dcfa58f95505d4eae2643df7b892a367d5d33d7

SHA512
7d7525f579497090ec5f4dd6daba2be2231af734d091268393f7864aadb63a490d61f9ae1d04c1b33699ea5f3e68deebb5bbebd47d8ed2a9d830fbda0558ebcf

Download Submit
C:\Windows\CTS.exe

Filesize
112KB

MD5
8b847925c496f7bbfd36ab93e9acdf38

SHA1
9c9a9534d7f070b0e5e1d144e94d6f07af892ff8

SHA256
162bc22cfc832e081dfe516b1dcfa58f95505d4eae2643df7b892a367d5d33d7

SHA512
7d7525f579497090ec5f4dd6daba2be2231af734d091268393f7864aadb63a490d61f9ae1d04c1b33699ea5f3e68deebb5bbebd47d8ed2a9d830fbda0558ebcf

Download Submit
\Users\Admin\AppData\Local\Temp\zBIrJZ7aoArUf9S.exe

Filesize
99KB

MD5
af88cab288e8213a11a7ea5313363d31

SHA1
cb769e3246d5244a0040621e919f7c519ba49986

SHA256
7407fac6e170430f34322202b73aa392431b5c2c49e15304fb255bb24c540366

SHA512
a4e353fcb78579345d4c5bc1f48970b473e0499dfe5bc6abeffb669295fa2940ce8637045a11f881fe88dd9b97d380ae9a8eed1b94fbd47181e0b4eb427e9679

Download Submit
memory/2288-0-0x0000000001370000-0x0000000001389000-memory.dmp

Filesize
100KB

Download
memory/2288-7-0x0000000000EA0000-0x0000000000EB9000-memory.dmp

Filesize
100KB

Download
memory/2288-11-0x0000000001370000-0x0000000001389000-memory.dmp

Filesize
100KB

Download
memory/2484-14-0x0000000000EA0000-0x0000000000EB9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads