09a5debc8f6022164574510468b14961c1dea0c99fa606a8a1eb0923e6a0ccb7

General

Target

e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
Size

48KB
MD5

e279cf4bf53a5772a47856ed1e13740c
SHA1

036d23bb4977924e9a2e9bf23dfad050acab3969
SHA256

09a5debc8f6022164574510468b14961c1dea0c99fa606a8a1eb0923e6a0ccb7
SHA512

ebbfaf9857d4abcbfccb25d192d5a95090f22528d83e73ac617d7967ec295d5a191dedd52aed156d43383fee9457626bceb8717f05505ee9f91f4d3d9a355d0f
SSDEEP

768:HYjieHaCD4zrcWTEFGzktfIhninsd2DssJggoy8SFx1659nH38BDY4UxWha5t:yieHaCD4zoWT2Gzk8inHDssOZnVH3MDu

Score

7^/10

aspackv2 discovery

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000600000001da0e-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4820	RealtekControl.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	RealtekControl.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	RealtekControl.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	RealtekControl.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	RealtekControl.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\RealtekControl.exe	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.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	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RealtekControl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	RealtekControl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	RealtekControl.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	RealtekControl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	RealtekControl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	RealtekControl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	RealtekControl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	RealtekControl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	RealtekControl.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
4820	RealtekControl.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 1912	4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe	87
PID 4600 wrote to memory of 1912	4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe	87
PID 4600 wrote to memory of 1912	4600	e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e279cf4bf53a5772a47856ed1e13740c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\1.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1912

C:\Windows\RealtekControl.exe
C:\Windows\RealtekControl.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:4820

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:\Users\Admin\AppData\Local\Temp\1.bat

Filesize
261B

MD5
fad3e81d51f1e79cc16e7100f83f4f25

SHA1
414760fa360badd8e38eeb403d8ad31fcf2320b0

SHA256
bd01b606dc6371edb887cad5a8b4f694368004c74622e72cc1bc4db2fae29f2a

SHA512
757ca6bb40c8bec813410c46d7c755bb168025a2e0116de9a8bc9c5b9b8a9f00be2d8a25b8ff5619bde0602be8a8ed5cdae0b331bd61e799e70721c229b22d26

Download Submit
C:\Windows\RealtekControl.exe

Filesize
34KB

MD5
860fea1fc357cb5c03d68aafa09822d6

SHA1
178f9b085b844bde52a475c233831749d2354cd7

SHA256
e6e0f3a009dbdc8d279bcf7b6d929af72d4fff368a68a8cf9004370fbc7b448b

SHA512
80d5092e8e2da551e4b785365667c96cfe2f3a29505473a1e6596fe569d6d2bc9ac7412c0db381d2da6f8f2460f1a4c93b1020cc321e157f0aa509f8aa436f8c

Download Submit
memory/4600-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4600-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4820-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4820-14-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4820-15-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4820-16-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4820-17-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4820-18-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

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