4d055db8aeabb6a1879df9bd362f46e4b4d817215008b793d3756f5fe1468077

General

Target

739dcf65818715e46d3d9aad456d305d_JC.exe
Size

134KB
MD5

739dcf65818715e46d3d9aad456d305d
SHA1

fd69d2c2fa4635b601c33e1269bca46a0c0ee4c9
SHA256

4d055db8aeabb6a1879df9bd362f46e4b4d817215008b793d3756f5fe1468077
SHA512

f4fb52a2384123e73492a20718f0b8754c024ccaed97973e94e8c9ef595e0ae453db3a75280c5b39340ab75cba879b003d7c0233709fac3a7a2862f17b285bdb
SSDEEP

3072:tKcWmjRrz3vROVXBS4ns+KS/XDLCke3SdtAacTKIbILW:+GvROVXBSR6zgOuqW

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2972	JiRJ7OQNcQ0C7hX.exe
2332	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
1388	739dcf65818715e46d3d9aad456d305d_JC.exe
1388	739dcf65818715e46d3d9aad456d305d_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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1388-0-0x0000000000E30000-0x0000000000E4E000-memory.dmp	upx
behavioral1/files/0x002f000000014963-18.dat	upx
behavioral1/files/0x002f000000014963-17.dat	upx
behavioral1/memory/1388-15-0x0000000000E30000-0x0000000000E4E000-memory.dmp	upx
behavioral1/memory/2332-19-0x0000000000140000-0x000000000015E000-memory.dmp	upx
behavioral1/files/0x002f000000014963-14.dat	upx
behavioral1/memory/1388-11-0x00000000000F0000-0x000000000010E000-memory.dmp	upx
behavioral1/files/0x0009000000012242-20.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"	739dcf65818715e46d3d9aad456d305d_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	739dcf65818715e46d3d9aad456d305d_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	739dcf65818715e46d3d9aad456d305d_JC.exe
Token: SeDebugPrivilege	2332	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 2972	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	28
PID 1388 wrote to memory of 2972	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	28
PID 1388 wrote to memory of 2972	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	28
PID 1388 wrote to memory of 2972	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	28
PID 1388 wrote to memory of 2332	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	29
PID 1388 wrote to memory of 2332	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	29
PID 1388 wrote to memory of 2332	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	29
PID 1388 wrote to memory of 2332	1388	739dcf65818715e46d3d9aad456d305d_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\739dcf65818715e46d3d9aad456d305d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\739dcf65818715e46d3d9aad456d305d_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:1388
- C:\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe
  C:\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe
  2⤵
  - Executes dropped EXE
  PID:2972
- 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:2332

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\JiRJ7OQNcQ0C7hX.exe

Filesize
134KB

MD5
1b8edfb6ee424564df46bb1f7f3dc0bb

SHA1
d9a4b6f37f45c1f976d73a5d37c531b2154e506f

SHA256
a28593cc4894aa809c73561b2d4e8e333abc127c54eaa569b85149c6ec2a4a26

SHA512
a07e2ae46e41de2e710ed93e8cda9ad5c8f96f4ed4a17823a316ba6da6f3cce06a6ec83812510438acf8cb3be28de08d7218f0857543dca31aa3feb1b80da49e

Download Submit
C:\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe

Filesize
64KB

MD5
e97c622b03fb2a2598bf019fbbe29f2c

SHA1
32698bd1d3a0ff6cf441770d1b2b816285068d19

SHA256
5c1af46c7300e87a73dacf6cf41ce397e3f05df6bd9c7e227b4ac59f85769160

SHA512
db70c62fb35a8e5b005f13b57c1ebbf6c465f6ff0524422294c43e27fb4aa79379dc1e300ad11dc2354405c43b192ae06b91c0f525a1f2617e4d14673651a87d

Download Submit
C:\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe

Filesize
64KB

MD5
e97c622b03fb2a2598bf019fbbe29f2c

SHA1
32698bd1d3a0ff6cf441770d1b2b816285068d19

SHA256
5c1af46c7300e87a73dacf6cf41ce397e3f05df6bd9c7e227b4ac59f85769160

SHA512
db70c62fb35a8e5b005f13b57c1ebbf6c465f6ff0524422294c43e27fb4aa79379dc1e300ad11dc2354405c43b192ae06b91c0f525a1f2617e4d14673651a87d

Download Submit
C:\Windows\CTS.exe

Filesize
70KB

MD5
86ade0d76d749d0b90e8af7c248c8874

SHA1
a33abfb77b018f478e2708cc452bddd7c723a373

SHA256
e4cf0d6676434779a9237c877df56595d9dcd83976617dd04670a9557aeef22a

SHA512
ba92183f26e4ca89ccc53a557322a2cf7f8e34d3e6503379ab86a3a0722da8cb910d0ffbf9232a87c8a32aea206b941f74c7cfaa9817eff4fe30a13895cb1fbb

Download Submit
C:\Windows\CTS.exe

Filesize
70KB

MD5
86ade0d76d749d0b90e8af7c248c8874

SHA1
a33abfb77b018f478e2708cc452bddd7c723a373

SHA256
e4cf0d6676434779a9237c877df56595d9dcd83976617dd04670a9557aeef22a

SHA512
ba92183f26e4ca89ccc53a557322a2cf7f8e34d3e6503379ab86a3a0722da8cb910d0ffbf9232a87c8a32aea206b941f74c7cfaa9817eff4fe30a13895cb1fbb

Download Submit
C:\Windows\CTS.exe

Filesize
70KB

MD5
86ade0d76d749d0b90e8af7c248c8874

SHA1
a33abfb77b018f478e2708cc452bddd7c723a373

SHA256
e4cf0d6676434779a9237c877df56595d9dcd83976617dd04670a9557aeef22a

SHA512
ba92183f26e4ca89ccc53a557322a2cf7f8e34d3e6503379ab86a3a0722da8cb910d0ffbf9232a87c8a32aea206b941f74c7cfaa9817eff4fe30a13895cb1fbb

Download Submit
\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe

Filesize
64KB

MD5
e97c622b03fb2a2598bf019fbbe29f2c

SHA1
32698bd1d3a0ff6cf441770d1b2b816285068d19

SHA256
5c1af46c7300e87a73dacf6cf41ce397e3f05df6bd9c7e227b4ac59f85769160

SHA512
db70c62fb35a8e5b005f13b57c1ebbf6c465f6ff0524422294c43e27fb4aa79379dc1e300ad11dc2354405c43b192ae06b91c0f525a1f2617e4d14673651a87d

Download Submit
\Users\Admin\AppData\Local\Temp\JiRJ7OQNcQ0C7hX.exe

Filesize
64KB

MD5
e97c622b03fb2a2598bf019fbbe29f2c

SHA1
32698bd1d3a0ff6cf441770d1b2b816285068d19

SHA256
5c1af46c7300e87a73dacf6cf41ce397e3f05df6bd9c7e227b4ac59f85769160

SHA512
db70c62fb35a8e5b005f13b57c1ebbf6c465f6ff0524422294c43e27fb4aa79379dc1e300ad11dc2354405c43b192ae06b91c0f525a1f2617e4d14673651a87d

Download Submit
memory/1388-15-0x0000000000E30000-0x0000000000E4E000-memory.dmp

Filesize
120KB

Download
memory/1388-16-0x00000000000F0000-0x000000000010E000-memory.dmp

Filesize
120KB

Download
memory/1388-11-0x00000000000F0000-0x000000000010E000-memory.dmp

Filesize
120KB

Download
memory/1388-0-0x0000000000E30000-0x0000000000E4E000-memory.dmp

Filesize
120KB

Download
memory/1388-23-0x00000000000F0000-0x000000000010E000-memory.dmp

Filesize
120KB

Download
memory/2332-19-0x0000000000140000-0x000000000015E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads