b9e848fc17b5c3ca514bf58db2fd1ea81d2bbd97f009d9c60a5b9fcdd82088a4

General

Target

6fc0312da9451c65bf65ea857f1ee8ae.exe
Size

320KB
MD5

6fc0312da9451c65bf65ea857f1ee8ae
SHA1

b6e53677fd9677360c8250cdc77c41ec66071508
SHA256

b9e848fc17b5c3ca514bf58db2fd1ea81d2bbd97f009d9c60a5b9fcdd82088a4
SHA512

452686e49693559c8e82115cc0171d52a85952e8463c28dba80727156aa27d002fdbf081c6aafdbb12603be5a879256c5a04f884b6bce65c76d7d04b50e1ee58
SSDEEP

6144:5tTQeNm3K+1yA9Cod0c7wgHdQVzGQSsxtMWM/v4ZrQOY3WEug+r8QpoC:5tTxmZr0MDOQM58vMe08uB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2008	C4aothxJEvwgomP.exe
2280	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
2060	6fc0312da9451c65bf65ea857f1ee8ae.exe
2060	6fc0312da9451c65bf65ea857f1ee8ae.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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2060-0-0x0000000000D20000-0x0000000000D37000-memory.dmp	upx
behavioral1/files/0x000a000000012247-16.dat	upx
behavioral1/memory/2280-17-0x0000000000A80000-0x0000000000A97000-memory.dmp	upx
behavioral1/memory/2060-14-0x0000000000D20000-0x0000000000D37000-memory.dmp	upx
behavioral1/memory/2060-10-0x00000000000E0000-0x00000000000F7000-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"	6fc0312da9451c65bf65ea857f1ee8ae.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	6fc0312da9451c65bf65ea857f1ee8ae.exe
File created	C:\Windows\CTS.exe	CTS.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell	C4aothxJEvwgomP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open	C4aothxJEvwgomP.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C4AOTH~1.EXE \"%1\""	C4aothxJEvwgomP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF	C4aothxJEvwgomP.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph"	C4aothxJEvwgomP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph	C4aothxJEvwgomP.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph"	C4aothxJEvwgomP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command	C4aothxJEvwgomP.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe
Token: SeDebugPrivilege	2280	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2008	C4aothxJEvwgomP.exe
2008	C4aothxJEvwgomP.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2008	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	28
PID 2060 wrote to memory of 2008	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	28
PID 2060 wrote to memory of 2008	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	28
PID 2060 wrote to memory of 2008	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	28
PID 2060 wrote to memory of 2280	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	29
PID 2060 wrote to memory of 2280	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	29
PID 2060 wrote to memory of 2280	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	29
PID 2060 wrote to memory of 2280	2060	6fc0312da9451c65bf65ea857f1ee8ae.exe	29

C:\Users\Admin\AppData\Local\Temp\6fc0312da9451c65bf65ea857f1ee8ae.exe
"C:\Users\Admin\AppData\Local\Temp\6fc0312da9451c65bf65ea857f1ee8ae.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:2060
- C:\Users\Admin\AppData\Local\Temp\C4aothxJEvwgomP.exe
  C:\Users\Admin\AppData\Local\Temp\C4aothxJEvwgomP.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2008
- 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:2280

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\CTS.exe

Filesize
32KB

MD5
70c2b7b30042b4ef55eb264151a77fe7

SHA1
d07aeeaa1a0fe8bb5d4f0bcd6832189716e1749a

SHA256
fc44d7a036bb45e7299b6ed991cb7f83ea56130975b35f623719f16b06876120

SHA512
5146de549de6af31299c716958d86c52657d138e95b05634745b1d80d992f3c265c4f97a771148a3aa2538029e4d704f47f484c15b1b3fc1def7bb06e07cfa71

Download Submit
\Users\Admin\AppData\Local\Temp\C4aothxJEvwgomP.exe

Filesize
288KB

MD5
880e155f8f47fb0db7b2080e71d59568

SHA1
2ed0c0f809765bbabd8c7d4f58e9a0bacf2bb629

SHA256
6011cd7d1a314d109bc0755d17be2e7812b2f5542ec24f3f3023532c1e8a1d44

SHA512
70977d36b8ec8c271c5ffd3303677743a2626196bb62af5d817e86a7eeed972bbb70acdd81508f7b4ee1da366ce02cd96a8d0e6f11627842f195cfd0c53a5bec

Download Submit
memory/2060-0-0x0000000000D20000-0x0000000000D37000-memory.dmp

Filesize
92KB

Download
memory/2060-14-0x0000000000D20000-0x0000000000D37000-memory.dmp

Filesize
92KB

Download
memory/2060-10-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2280-17-0x0000000000A80000-0x0000000000A97000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads