6d621aff2dbcb6279bc1144dcd581cf0879a03d94a6b2a73dde2e67ffc0e6a0a

General

Target

08ef5a78797711af0272d3c359542c0f_JaffaCakes118.xls
Size

226KB
MD5

08ef5a78797711af0272d3c359542c0f
SHA1

28c9a4510f85c7ac448d4eff9e4a52ee52b5df6c
SHA256

6d621aff2dbcb6279bc1144dcd581cf0879a03d94a6b2a73dde2e67ffc0e6a0a
SHA512

be08ebcedc2c663bc2365bd7f635e627162f976f615bbefea513a87eaad3b5817e3298c8247c8049cca59ebdedfeb1220d8ecbf03541c27809f558aa92eea9d3
SSDEEP

6144:1k3hOdsylKlgxopeiBNhZF+E+W2kdAKRfjpozsCYKPcVe9QmkHHkw2iB4OYrjjuf:SKICYKPcVe9QmkHHkw2iB4OYrjjuxwcp

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5036	1468	explorer.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4984	1468	explorer.exe	83

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1468	EXCEL.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1468	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1468	EXCEL.EXE
1468	EXCEL.EXE
1468	EXCEL.EXE
1468	EXCEL.EXE
1468	EXCEL.EXE
1468	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 5036	1468	EXCEL.EXE	88
PID 1468 wrote to memory of 5036	1468	EXCEL.EXE	88
PID 1880 wrote to memory of 4980	1880	explorer.exe	90
PID 1880 wrote to memory of 4980	1880	explorer.exe	90
PID 1468 wrote to memory of 4984	1468	EXCEL.EXE	91
PID 1468 wrote to memory of 4984	1468	EXCEL.EXE	91
PID 892 wrote to memory of 1076	892	explorer.exe	93
PID 892 wrote to memory of 1076	892	explorer.exe	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\08ef5a78797711af0272d3c359542c0f_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs
  2⤵
  - Process spawned unexpected child process
  PID:5036
- C:\Windows\explorer.exe
  explorer.exe C:\Users\Admin\AppData\Local\Temp\ZXU.vbs
  2⤵
  - Process spawned unexpected child process
  PID:4984

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs"
  2⤵
  PID:4980

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ZXU.vbs"
  2⤵
  PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\NJ23eWZ.txt

Filesize
3B

MD5
21438ef4b9ad4fc266b6129a2f60de29

SHA1
5eb8e2242eeb4f5432beeec8b873f1ab0a6b71fd

SHA256
13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354

SHA512
37436ced85e5cd638973e716d6713257d692f9dd2e1975d5511ae3856a7b3b9f0d9e497315a058b516ab31d652ea9950938c77c1ad435ea8d4b49d73427d1237

Download Submit
C:\Users\Admin\AppData\Local\Temp\ZXU.vbs

Filesize
756B

MD5
52863279b5ac116bd4d6831940137045

SHA1
649c4b00d206f69f51f97eb9f783665e344a7983

SHA256
68e6546cec5e56a419594dc96485d6be2b25606605a5f6ea021f0e152e8c55c2

SHA512
284c36ee59204d6c72c73908483d6f06582aa4fef99cc9bd0a088f06a3f3b487f1315984792f55a2c505ee135fd2b4477551fc8d0a3d0c6dfe925579abc82c64

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C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs

Filesize
333B

MD5
927e81e45aa15f86c265deebab99fa59

SHA1
29b905c53bb6453f8fda6e4f7e152281419bf6a1

SHA256
30958752af4d2517aaf560584427bf0753e37c752b4249532fb4cb6156361fae

SHA512
197e666b1fe9211a9b9b28157253b27f30c1f0b6d832ad24896bbefc2cccb4c26f8c6e45349f5cda5d51a75a96351be96832b83e17e16df67347bb5ccb395250

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memory/1468-9-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

Download
memory/1468-11-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

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memory/1468-5-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

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memory/1468-8-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

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memory/1468-6-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

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memory/1468-0-0x00007FFC73CD0000-0x00007FFC73CE0000-memory.dmp

Filesize
64KB

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memory/1468-7-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

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memory/1468-4-0x00007FFC73CD0000-0x00007FFC73CE0000-memory.dmp

Filesize
64KB

Download
memory/1468-10-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

Download
memory/1468-12-0x00007FFC71370000-0x00007FFC71380000-memory.dmp

Filesize
64KB

Download
memory/1468-13-0x00007FFC71370000-0x00007FFC71380000-memory.dmp

Filesize
64KB

Download
memory/1468-3-0x00007FFC73CD0000-0x00007FFC73CE0000-memory.dmp

Filesize
64KB

Download
memory/1468-2-0x00007FFC73CD0000-0x00007FFC73CE0000-memory.dmp

Filesize
64KB

Download
memory/1468-1-0x00007FFC73CD0000-0x00007FFC73CE0000-memory.dmp

Filesize
64KB

Download
memory/1468-25-0x00007FFCB3C50000-0x00007FFCB3E45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads