14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160

General

Target
jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Size 22KB
Sample260925-3d8lgaac39
SHA256 14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160
MD5 76dfc6be1568b1f3b09ca227f8c1e01a
SHA1 fca42521ce7d7a7712d7249cc87131ff0af42076
SHA512 42db00421e248ac01f737baf6030990306d0a44ff2f7d732652afbbe472040abce95bf29cb5dc8ee4650f42d3ca65532f74d08ad593c7c87b48ba51d6b3aed88
SSDEEP 384:wyhWua8wmhAneMGBZmqvNEeBNVNzd0huVrv8giRSxu3Pf:wyc58X4jGbDVFd0huNxu3P
TLSH
T1C7A2E082EFF14169C275433E729262B3584DA350837A8B6F590187982EAD2F15E77E33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3948	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Adds Run key to start application 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\Run\Windows Defender = "C:\\Windows\\system32\\KB123386.EXE"	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\flashd32.dll	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
File created	C:\Windows\SysWOW64\flashd32.dll	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
File created	C:\Windows\SysWOW64\KB123386.EXE	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4084	cmd.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	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{58101905-D80F-4788-96F6-986A8186178A}\InProcServer32	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{58101905-D80F-4788-96F6-986A8186178A}\InProcServer32\ = "C:\\Windows\\SysWow64\\flashd32.dll"	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{58101905-D80F-4788-96F6-986A8186178A}\InProcServer32\ThreadingModel = "Apartment"	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\\{58101905-D80F-4788-96F6-986A8186178A}\InProcServer32	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{58101905-D80F-4788-96F6-986A8186178A}	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	3948	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3948	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 4084	3948	jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_14d4f16362eeda66f9f6ac1a2b325bedd6010c973feb9875de03c7cb4966b160.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c cas.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4084

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4952

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

cas.bat

Path C:\Users\Admin\AppData\Local\Temp\cas.bat
Size 282B
SHA256 4197fe054f278337900eb0d2c17015b0750480fd48d8dad3b952e6ff4183d236
MD5 7b1299f0aa6b52443040ab16442b9c21
SHA1 4aed5f26587ca64a6ee361190794ae3d84f07e6a
SHA512 7251106d5689a524af0132e124abadb9d5318ddbd55250fdd5aa89f0e4ac51a001ed10902bea0c212f13fde1aef5e9bdb78ebb78323aadba476d2c10424cdd9c
TLSH
T1E9D02B57917580DA0E00ED1B42F5850FC2AD458739CCFE399E22808511CA12AF197705
MD5 SHA1 SHA512 TLSH

Submit Download

flashd32.dll

Path C:\Windows\SysWOW64\flashd32.dll
Size 36KB
SHA256 af36d4d9cbb42cef498fdd510ab22b3462b9766c4c8bf01b3a003a007cf1d3c6
MD5 567959f03bb9c7fb6978dda9f8b288cd
SHA1 205811a6f1226e268189c7cc72f5bfff0215262a
SHA512 95e3f3f80f9ebefbc810ec339df819a7cefc33e7874e349e92d67a80190a084aec218a302ce13abc0f6735694585529f556c4c622299f2bc7255c41f8d9de5fb
SSDEEP 384:N7u1gtjk2TmTH310/kGB8rvQd8KueoF7qs1NcTRnCrGSBs5EUvhFtAFNfJsI6M5j:N7u1QkI8i/CvQd/YhcFfSB1chSEM5j
TLSH
T111F25A022BE088B1CBD70830BA8A7B73A5FCC2306DA5659357725B4EBE711EED235315
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3948-0-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3948-10-0x0000000000400000-0x0000000000414000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads