a92d8871a1ce0f8787d16662ff0d600cb2e4c5edc70c846ccafccf371dbb43eb

General

Target

bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Size

14KB
MD5

bbe14e1437f0af3c809ead26ccc9d92d
SHA1

ae14a404d88f7e88d28b0210312c215727623a98
SHA256

a92d8871a1ce0f8787d16662ff0d600cb2e4c5edc70c846ccafccf371dbb43eb
SHA512

2ecb46e453cdebfe80dd78552bc086f13de32472af92f29f6b64b5b0be2a644baaad895c7cfc2da7a10f2f2b44c85f5cdc535d8ac434b495ea20bd3f759bf6ba
SSDEEP

192:FvOTZzae+oYUYjEJOLnl+2m3SSjl1ulDGibJKGjzjZrKMGO5Ba+VE3vmKwHUR8pD:FjMIwOLPxkGjzjdK6BpGmKwHUR6Njs0Z

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\rirmggwg.dll = "{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}"	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2924	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rirmggwg.tmp	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rirmggwg.tmp	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rirmggwg.nls	bbe14e1437f0af3c809ead26ccc9d92d_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	bbe14e1437f0af3c809ead26ccc9d92d_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\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ = "C:\\Windows\\SysWow64\\rirmggwg.dll"	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ThreadingModel = "Apartment"	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2924	2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2924	2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2924	2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe	31
PID 2328 wrote to memory of 2924	2328	bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bbe14e1437f0af3c809ead26ccc9d92d_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:2328
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\6873.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2924

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\6873.tmp.bat

Filesize
207B

MD5
8a96adf6bf44f25cf3c62ae2a68a296a

SHA1
da7e3e62df7770f49abc3f0249786de502a7b945

SHA256
e3c6d08bb67815a7e8fab0cb987223fec09ee739a1c8b354b91867fb85b28f4e

SHA512
14a6eb3dd15f51ed3540314fe2908cf1a3dacc9768f2f36f3d5203500112b5fb3bcd1d6c623e31caedc59256f40f9e965534b0be6c03c9a1f0ea342a7fb1f19c

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

Filesize
428B

MD5
92d183aef52a20c0a4a535ffdeae8e84

SHA1
abb0632e7d0a402b5182e95ff85de4c506cf9a8d

SHA256
2a36451e45ab77ab3abdb6d85c290bd34a32024446540121d79f872af86423bf

SHA512
53e8aeebf1cf7653bcd12c863f6e7b957c37b78f6988b518ff672ce5ca6dfbe1fd833e41a0ed40ecf26f85b2e5ffd50ef4bded28302b770df5911f198ac52d85

Download Submit
\Windows\SysWOW64\rirmggwg.dll

Filesize
2.3MB

MD5
2186aecf16c63d291485215fc9c34a70

SHA1
0be1212bacd203223e2a80f05127487d537fb660

SHA256
aed577fe790aafb0baff5a0e72f8fc1184d01f5d4dfcfcf479b1cf5a76265b16

SHA512
979bcd241d4848222d64a44b663f4bc239002366d7fe2038d54b89c32d456529af33bd70eb43755903669fed8c027cdb917c82538574ea29df64655e6eea46c1

Download Submit
memory/2328-16-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download
memory/2328-25-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads