8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
18-10-2022 07:22

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General

Target

8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Size

632KB
MD5

d3a9112f8479de6d0bb80daa086ee39d
SHA1

c7044e763bddd442c7ff7504efe954ea4dbe6848
SHA256

8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c
SHA512

0a604cea4bc5e13c6ac8bbbc381b9a1827e47ddde2b6713574e89ffd627eb2ac16be4760264a09d4894450d32359e9f2d233cef59dd5e9add6f1cf802f44d2d2
SSDEEP

12288:QAEx4EoqHsQdmxl6zbr+F3KUf79EAN9IT6uOB2f/9E8k:LEx45zxI+bcTFY2dC

Score

8^/10

evasion persistence spyware stealer upx

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
1744	attrib.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1788-72-0x000000013F980000-0x000000013FAB5000-memory.dmp	upx

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
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\QQDisabled	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1788-72-0x000000013F980000-0x000000013FAB5000-memory.dmp	autoit_exe

Modifies Internet Explorer settings 1 TTPs 12 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\Search Page = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\First Home Page = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Search Bar = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.cbala.com/"	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\new\ = "{D969A300-E7FF-11d0-A93B-00A0C90F2719}"	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\XXX Groove GFS Context Menu Handler XXX	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\new	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\Gadgets	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\New	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers\Sharing	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\Background\shellex\ContextMenuHandlers	reg.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
596	regsvr32.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1496	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	27
PID 1788 wrote to memory of 1496	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	27
PID 1788 wrote to memory of 1496	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	27
PID 1788 wrote to memory of 1732	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	29
PID 1788 wrote to memory of 1732	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	29
PID 1788 wrote to memory of 1732	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	29
PID 1732 wrote to memory of 1744	1732	cmd.exe	31
PID 1732 wrote to memory of 1744	1732	cmd.exe	31
PID 1732 wrote to memory of 1744	1732	cmd.exe	31
PID 1788 wrote to memory of 1272	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	32
PID 1788 wrote to memory of 1272	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	32
PID 1788 wrote to memory of 1272	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	32
PID 1788 wrote to memory of 1752	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	34
PID 1788 wrote to memory of 1752	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	34
PID 1788 wrote to memory of 1752	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	34
PID 1752 wrote to memory of 2012	1752	cmd.exe	36
PID 1752 wrote to memory of 2012	1752	cmd.exe	36
PID 1752 wrote to memory of 2012	1752	cmd.exe	36
PID 1788 wrote to memory of 240	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	37
PID 1788 wrote to memory of 240	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	37
PID 1788 wrote to memory of 240	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	37
PID 240 wrote to memory of 596	240	cmd.exe	39
PID 240 wrote to memory of 596	240	cmd.exe	39
PID 240 wrote to memory of 596	240	cmd.exe	39
PID 240 wrote to memory of 596	240	cmd.exe	39
PID 240 wrote to memory of 596	240	cmd.exe	39
PID 1788 wrote to memory of 520	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	40
PID 1788 wrote to memory of 520	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	40
PID 1788 wrote to memory of 520	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	40
PID 520 wrote to memory of 1476	520	cmd.exe	42
PID 520 wrote to memory of 1476	520	cmd.exe	42
PID 520 wrote to memory of 1476	520	cmd.exe	42
PID 1788 wrote to memory of 804	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	43
PID 1788 wrote to memory of 804	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	43
PID 1788 wrote to memory of 804	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	43
PID 804 wrote to memory of 1828	804	cmd.exe	45
PID 804 wrote to memory of 1828	804	cmd.exe	45
PID 804 wrote to memory of 1828	804	cmd.exe	45
PID 1788 wrote to memory of 964	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	46
PID 1788 wrote to memory of 964	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	46
PID 1788 wrote to memory of 964	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	46
PID 964 wrote to memory of 868	964	cmd.exe	48
PID 964 wrote to memory of 868	964	cmd.exe	48
PID 964 wrote to memory of 868	964	cmd.exe	48
PID 1788 wrote to memory of 1888	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	49
PID 1788 wrote to memory of 1888	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	49
PID 1788 wrote to memory of 1888	1788	8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe	49
PID 1888 wrote to memory of 1928	1888	cmd.exe	51
PID 1888 wrote to memory of 1928	1888	cmd.exe	51
PID 1888 wrote to memory of 1928	1888	cmd.exe	51

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1744	attrib.exe
2012	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe
"C:\Users\Admin\AppData\Local\Temp\8a93ed0f80b337ece9ffc9380fe6b69b6a1c7c25052a8f8eefecdc5a13e9966c.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cd C:\Users
  2⤵
  PID:1496
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +r +h +s desktop.ini
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\system32\attrib.exe
    attrib +r +h +s desktop.ini
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:1744
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cd ..
  2⤵
  PID:1272
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +r C:\Users
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\system32\attrib.exe
    attrib +r C:\Users
    3⤵
    - Views/modifies file attributes
    PID:2012
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c regsvr32 /u /s igfxpph.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:240
- - C:\Windows\system32\regsvr32.exe
    regsvr32 /u /s igfxpph.dll
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:596
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c reg delete HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\system32\reg.exe
    reg delete HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers /f
    3⤵
    - Modifies registry class
    PID:1476
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c reg add HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\new /ve /d {D969A300-E7FF-11d0-A93B-00A0C90F2719}
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:804
- - C:\Windows\system32\reg.exe
    reg add HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers\new /ve /d {D969A300-E7FF-11d0-A93B-00A0C90F2719}
    3⤵
    - Modifies registry class
    PID:1828
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v HotKeysCmds /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\system32\reg.exe
    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v HotKeysCmds /f
    3⤵
    PID:868
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v IgfxTray /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\system32\reg.exe
    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v IgfxTray /f
    3⤵
    PID:1928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1788-54-0x000007FEFBF41000-0x000007FEFBF43000-memory.dmp

Filesize
8KB

Download
memory/1788-72-0x000000013F980000-0x000000013FAB5000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads