873eb966ad8f181a1725d5a783c90f83c4dd23b19e0da3d2a792b629693cc099

General

Target

c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
Size

14KB
MD5

c7e9e1c758c0620227dce1f7a56e1e55
SHA1

a49f67eb92b375cf31f1b634255d6c4f7390863c
SHA256

873eb966ad8f181a1725d5a783c90f83c4dd23b19e0da3d2a792b629693cc099
SHA512

1683e58a2ed034eb24c79a0b8e576b28744c4e5e52e20435a95b6171558d7ce9dc6c29e54d25aee340e58e6f6a58405a2c9aeef414a23ac554e9a0cc2730c3ca
SSDEEP

384:w620+EZL4zoNzrNk0ifS7osikY6SZuAlM:5aExvrG0yYLY6SZuv

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\tscfgwmijxsj.dll = "{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}"	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3020	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tscfgwmijxsj.tmp	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\tscfgwmijxsj.nls	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\tscfgwmijxsj.tmp	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

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	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32\ = "C:\\Windows\\SysWow64\\tscfgwmijxsj.dll"	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CB77746-8ECC-40ca-8217-10CA8BE5EFC8}\InProcServer32\ThreadingModel = "Apartment"	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 3020	2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe	31
PID 2908 wrote to memory of 3020	2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe	31
PID 2908 wrote to memory of 3020	2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe	31
PID 2908 wrote to memory of 3020	2908	c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7e9e1c758c0620227dce1f7a56e1e55_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\227E.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3020

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

1

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:\Users\Admin\AppData\Local\Temp\227E.tmp.bat

Filesize
207B

MD5
fc090e967f82acc37eb8723d694404e9

SHA1
fb43faf7523149e56aa8cac9fd4741cf5b376314

SHA256
8e0bd597404f092c1ec67e78890cbe081d2420b8bb920ca9279b4e577aa80309

SHA512
1c48d71dd715870403bc375966b475e8ee72c87042249bd01a47696b2b43c61c90d03f10eca6642895359feaa7b588e1c77e95d548a037e9cc54254ab2de78b4

Download Submit
C:\Windows\SysWOW64\tscfgwmijxsj.nls

Filesize
428B

MD5
7eade39ebf9b643d26e82cdde0ce7597

SHA1
728fe5030f09b3c841eff45296b3613b61ebfc88

SHA256
b045ff0046c49c958503ce5951c37e949c7fb0151be6defb98260511964f1339

SHA512
a3671c26ee838283c2941647849727add0f3884d78d19c1596d4cd2c616e69142be507d3dbc739b923c6cf025d99acadc5cba7a93b3b9acde118e3d3baaace96

Download Submit
C:\Windows\SysWOW64\tscfgwmijxsj.tmp

Filesize
2.3MB

MD5
4f5fa6d206c10a696660b8f108ce8e8e

SHA1
df6a235a4f4dac04911dddfdf4df4aaa031d7040

SHA256
f9013add73f066de201b106d202e15ad206e60397819753c299430907a1a0223

SHA512
c4df338d016f442add474726b7409d53ad0abc3cd1ba6e9ce31b94123348931ce1859c4218be55bebdf087cf906de5f6d7720a255bb35a024448a793d94ad007

Download Submit
memory/2908-16-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download
memory/2908-25-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads