033884253a7a0d50221370381907ecaf9e2170da522a214b270ca5409d8f55e8

General

Target

e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Size

612KB
MD5

e9530aac236ab40d5367665b55ac3bf9
SHA1

ccd887876fcee56286d31701ecb7f247c4be561c
SHA256

033884253a7a0d50221370381907ecaf9e2170da522a214b270ca5409d8f55e8
SHA512

b83f1a2bc0f69c86a070b15ceb534cd8b7eaf9dfdf0e427607279458b40697b2ff651c567d5f7787649f04de8352fc199b567fa3956b4d74c3253fc0e75a9a8e
SSDEEP

12288:fiWaUgkDhOPo0VdfG1mIn0sSelRnlUZrHQ:fiWDgkAJH6m0hl9lUtw

Score

7^/10

persistence

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wauclt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wauclt.exe

Executes dropped EXE 1 IoCs

pid	Process
2524	wauclt.exe

Loads dropped DLL 2 IoCs

pid	Process
2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.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\Generic Host = "wauclt.exe"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wauclt.exe	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wauclt.exe	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wauclt.exe	wauclt.exe
File created	C:\Windows\SysWOW64\wauclt.exe	wauclt.exe

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\14.0.0.0	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\14.0.0.0\Class = "Microsoft.Office.Interop.Access.AllDataAccessPagesClass"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\onxjW = "@bWX_TOL\\IHfij~p"	wauclt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\onxjW = "@bWX\\TOL\\IDkUPnH"	wauclt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\Class = "Microsoft.Office.Interop.Access.AllDataAccessPagesClass"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\RuntimeVersion = "v2.0.50727"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\ujBimbVoPur = "K^MFU_FMlfgXi@iTMWmH[bKBQe"	wauclt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\CxWrypqypaea = "ahbHulentG_bwNVKr\x7fnAv{ST"	wauclt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\civudS = "pXMblZ~^aTCqd{XBjvYLxDi"	wauclt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\CxWrypqypaea = "ahbHulentG_bGNVKr\x7fnAF{ST"	wauclt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\InprocServer32\Assembly = "Microsoft.Office.Interop.Access, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\vymxrn = "UR_iiFdhtfB{jlkh^I^llDPf^jBqFoIK"	wauclt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\gdbycerkpn = "JPATlIBvCneUgHMNA_jd\\gEN\|S"	wauclt.exe

NTFS ADS 2 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\TEMP:C980DA7D	wauclt.exe
File created	C:\ProgramData\TEMP:C980DA7D	wauclt.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
Token: 33	2524	wauclt.exe
Token: SeIncBasePriorityPrivilege	2524	wauclt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2524	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe	28
PID 2904 wrote to memory of 2524	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe	28
PID 2904 wrote to memory of 2524	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe	28
PID 2904 wrote to memory of 2524	2904	e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9530aac236ab40d5367665b55ac3bf9_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\wauclt.exe
  "C:\Windows/system32\wauclt.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\wauclt.exe

Filesize
612KB

MD5
e9530aac236ab40d5367665b55ac3bf9

SHA1
ccd887876fcee56286d31701ecb7f247c4be561c

SHA256
033884253a7a0d50221370381907ecaf9e2170da522a214b270ca5409d8f55e8

SHA512
b83f1a2bc0f69c86a070b15ceb534cd8b7eaf9dfdf0e427607279458b40697b2ff651c567d5f7787649f04de8352fc199b567fa3956b4d74c3253fc0e75a9a8e

Download Submit
memory/2524-40-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-36-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-49-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-48-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-47-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-46-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-45-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-22-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-21-0x0000000000270000-0x00000000002F9000-memory.dmp

Filesize
548KB

Download
memory/2524-44-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-43-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-32-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-34-0x0000000000270000-0x00000000002F9000-memory.dmp

Filesize
548KB

Download
memory/2524-33-0x0000000000270000-0x00000000002F9000-memory.dmp

Filesize
548KB

Download
memory/2524-41-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-35-0x0000000000270000-0x00000000002F9000-memory.dmp

Filesize
548KB

Download
memory/2524-42-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-37-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-38-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2524-39-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2904-0-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2904-6-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2904-28-0x0000000001E50000-0x0000000001ED9000-memory.dmp

Filesize
548KB

Download
memory/2904-29-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2904-19-0x0000000003DD0000-0x0000000003EDD000-memory.dmp

Filesize
1.1MB

Download
memory/2904-14-0x0000000003DD0000-0x0000000003EDD000-memory.dmp

Filesize
1.1MB

Download
memory/2904-1-0x0000000001E50000-0x0000000001ED9000-memory.dmp

Filesize
548KB

Download
memory/2904-11-0x0000000001E50000-0x0000000001ED9000-memory.dmp

Filesize
548KB

Download
memory/2904-10-0x0000000001E50000-0x0000000001ED9000-memory.dmp

Filesize
548KB

Download
memory/2904-7-0x0000000001E50000-0x0000000001ED9000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads