9b3dddce0c70af5ab72675c58ca238fad40239e842d56c0e22864bd32146f35a

General

Target

df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe
Size

198KB
MD5

df338bc728bcba7bb2abcae476a7fb1a
SHA1

419d9e9bb81b15912cc23ff59e821c33be62bae5
SHA256

9b3dddce0c70af5ab72675c58ca238fad40239e842d56c0e22864bd32146f35a
SHA512

0f9bfab4ee5b47bb0a803c9741699c005a30a863a9bd610a77582813a947d583d43ac9172428facf6379c936ffbc15b3497914aff07cd81905eeff08f024c05c
SSDEEP

6144:NZCkHLBnuIpG3g1y2p5O98ecOi9OtZuDy5A+:rCmLBnugG3qPpG8tOiOjuOA+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3672	svchost.exe
2016	svchost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/952-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/files/0x0004000000022723-5.dat	upx
behavioral2/memory/3672-6-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/2016-9-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/3672-11-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/952-13-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/2016-28-0x0000000000400000-0x0000000000489000-memory.dmp	upx

Drops file in System32 directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\errorPageStrings[1]	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\httpErrorPagesScripts[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\info_48[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\navcancl[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\ErrorPageTemplate[1]	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\errorPageStrings[1]	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\background_gradient[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\navcancl[1]	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\info_48[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\bullet[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\background_gradient[1]	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\ErrorPageTemplate[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\httpErrorPagesScripts[1]	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\MSIMGSIZ.DAT	svchost.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\bullet[1]	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer\Navigating	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\AppEvents\Schemes\Apps\Explorer\Navigating\.Current	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2016	svchost.exe
2016	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 3672	952	df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe	86
PID 952 wrote to memory of 3672	952	df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe	86
PID 952 wrote to memory of 3672	952	df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df338bc728bcba7bb2abcae476a7fb1a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:952
- \??\c:\dos\svchost.exe
  c:\dos\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3672

\??\c:\dos\svchost.exe
c:\dos\svchost.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\dos\svchost.exe

Filesize
198KB

MD5
df338bc728bcba7bb2abcae476a7fb1a

SHA1
419d9e9bb81b15912cc23ff59e821c33be62bae5

SHA256
9b3dddce0c70af5ab72675c58ca238fad40239e842d56c0e22864bd32146f35a

SHA512
0f9bfab4ee5b47bb0a803c9741699c005a30a863a9bd610a77582813a947d583d43ac9172428facf6379c936ffbc15b3497914aff07cd81905eeff08f024c05c

Download Submit
memory/952-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/952-1-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/952-13-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2016-9-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2016-10-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/2016-28-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2016-30-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/3672-6-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/3672-7-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/3672-11-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

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