9f06ea478ba5516c5d63da63bab1f1469d93a21c4f37ec66463b756003606261

General

Target

83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe
Size

274KB
MD5

83ce2f88ab9c196a58ba3670362f613e
SHA1

c402add19a3e1f2b58558660157845b8d76bc5f8
SHA256

9f06ea478ba5516c5d63da63bab1f1469d93a21c4f37ec66463b756003606261
SHA512

10c256304fafe307bca2032d46cf54273e631ad3bcf9e7402dccb8f662b05d98bc91910521cb29c881c1391f0f6f313a63814433fd2b694c46a5ed90a4ec8dd9
SSDEEP

6144:bZO+ISHfvJPjq/yfdEWFXV0uLWJcbic50pl1F0Xt3UojmSa:tOmHXYafhFWJOIEtEojmh

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2092	Doc

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	Doc
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	Doc
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	Doc
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	Doc

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\YanLan\Doc	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\YanLan\Doc	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	83ce2f88ab9c196a58ba3670362f613e_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	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Doc
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:"	Doc
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Doc
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Doc
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	Doc
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	Doc
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	Doc
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	Doc
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Doc

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe
Token: SeDebugPrivilege	2092	Doc

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2092	Doc

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4776	2740	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe	88
PID 2740 wrote to memory of 4776	2740	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe	88
PID 2740 wrote to memory of 4776	2740	83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83ce2f88ab9c196a58ba3670362f613e_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4776

C:\Program Files (x86)\YanLan\Doc
"C:\Program Files (x86)\YanLan\Doc"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2092

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:\Program Files (x86)\YanLan\Doc

Filesize
274KB

MD5
83ce2f88ab9c196a58ba3670362f613e

SHA1
c402add19a3e1f2b58558660157845b8d76bc5f8

SHA256
9f06ea478ba5516c5d63da63bab1f1469d93a21c4f37ec66463b756003606261

SHA512
10c256304fafe307bca2032d46cf54273e631ad3bcf9e7402dccb8f662b05d98bc91910521cb29c881c1391f0f6f313a63814433fd2b694c46a5ed90a4ec8dd9

Download Submit
C:\Windows\uninstal.bat

Filesize
218B

MD5
90d844d30666e566065d56dfb0b3449a

SHA1
b4fb835985fba7ab7247c7ae1b2d4c14b7f83610

SHA256
f791d6744febab6b5f0caa35761b3f01348960b3a509333c927309213d9303c5

SHA512
8e67b6560bbce8438c404f9a3da9481658f67d2f0cf58342d61c195b0ea45b0ef813e049c4988588813b0bcf0dc153b3f89253bd95140655ba91f444aee9daf5

Download Submit
memory/2092-7-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2092-12-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2092-14-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2092-15-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2092-18-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2740-0-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/2740-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2740-4-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/2740-10-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download

Analysis

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