5221d914d30d518c2699a2c0b19a3652a836c862a3d75638489eb3845eac5a4a

General

Target

0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
Size

35KB
MD5

0a49f1e6a96e3c961e3313ab9b552951
SHA1

117de9348f35ffb6b1d7094ed19314f6cba59021
SHA256

5221d914d30d518c2699a2c0b19a3652a836c862a3d75638489eb3845eac5a4a
SHA512

472cca96f84a0baf7dc71b961bbf32cadd84e66664cf762ae72069a03c28ddd62897042e26fa8a7a5db62e27ef2495b78b9bb4263073aa3bec8c2b548b3a9bc3
SSDEEP

768:0XtJ0w1fjHHeB7ttjuwa1XMwe3keWkbnyN:0Xb0w1fTS7/ct6keWoyN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2344	deinst_qfe001.exe
2892	winproc32.exe

Loads dropped DLL 4 IoCs

pid	Process
2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
2344	deinst_qfe001.exe
2344	deinst_qfe001.exe

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\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Internet Protocol = "C:\\Windows\\SysWOW64\\winproc32.exe"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Internet Protocol = "C:\\Windows\\SysWOW64\\deinst_qfe001.exe"	deinst_qfe001.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\favico.dat	winproc32.exe
File created	C:\Windows\SysWOW64\winproc32.exe	winproc32.exe
File created	C:\Windows\SysWOW64\deinst_qfe001.exe	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\favico.dat	deinst_qfe001.exe
File created	C:\Windows\SysWOW64\winproc32.exe	deinst_qfe001.exe
File opened for modification	C:\Windows\SysWOW64\winproc32.exe	deinst_qfe001.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2744-1-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2744-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	deinst_qfe001.exe

Modifies Internet Explorer settings 1 TTPs 16 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Search\SearchAssistant = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Bar = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\SearchUrl	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	winproc32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\SearchUrl\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchUrl	winproc32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Search	winproc32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main\Search Bar = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\SearchUrl\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Search	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Search\SearchAssistant = "http://4-counter.com/?a=2&b=tut"	winproc32.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://4-counter.com/?b=tut"	winproc32.exe

Modifies data under HKEY_USERS 27 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Main	winproc32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Search	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\SearchUrl\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\SearchUrl\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\SearchUrl	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Search\SearchAssistant = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Search\SearchAssistant = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\Main\Search Bar = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Main\Search Bar = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Search	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Main	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Main\Search Page = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\Search\SearchAssistant = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Main\Search Page = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\SearchUrl	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer	winproc32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Search	winproc32.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchUrl	winproc32.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Main	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Main\Search Bar = "http://4-counter.com/?a=2&b=tut"	winproc32.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\SearchUrl\SearchUrl = "http://4-counter.com/?a=2&b=tut"	winproc32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2344	2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2344	2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2344	2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2344	2744	0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe	30
PID 2344 wrote to memory of 2892	2344	deinst_qfe001.exe	31
PID 2344 wrote to memory of 2892	2344	deinst_qfe001.exe	31
PID 2344 wrote to memory of 2892	2344	deinst_qfe001.exe	31
PID 2344 wrote to memory of 2892	2344	deinst_qfe001.exe	31

C:\Users\Admin\AppData\Local\Temp\0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a49f1e6a96e3c961e3313ab9b552951_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\deinst_qfe001.exe
  "C:\Windows\system32\deinst_qfe001.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\winproc32.exe
    *C:\Windows\SysWOW64\deinst_qfe001.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Modifies Internet Explorer settings
    - Modifies Internet Explorer start page
    - Modifies data under HKEY_USERS
    PID:2892

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

3

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\deinst_qfe001.exe

Filesize
5KB

MD5
1a8f2dd941788721735ae5f716a835a5

SHA1
2e4d1bfd09afb3e588905f80bfa649f1ab4cbaae

SHA256
5670c3d0baa80462485a2f9831bf8c44b582700eeeee86b58fb854ef9e09535e

SHA512
a3f55beb454b7773c0651c425e16abbd7eee85d9a5b9bf4b945acc7071ca729329fd0c997eda0def0d9e8bf30d56b15872eeab9a9f01d9b5be632a19db8dfa58

Download Submit
C:\Windows\SysWOW64\favico.dat

Filesize
318B

MD5
db515f34e781a6d74c390838d95eb9b6

SHA1
a576f268e52ff74086d9fc8d6689ae0a7da2a1d6

SHA256
1cf385268aefae9b9c4115b569fdf80306b39ff08bac586aab9e34d349f63c5e

SHA512
d132f2d9c0ebf7665cac8d3d3333f96d74c916eaa2fa498df01f66d4e189d352699ff3b16e6adc4ce7ac92633f56c1bb627bd3b548579909fd554790b2b2b20f

Download Submit
memory/2344-19-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2744-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2744-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2892-23-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2892-99-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads