6b2469ff2aa9515d068c94b8af9744840beaa19b54c923d2d12c711d27b15c05

General

Target

ֹƸԱ.xls
Size

94KB
MD5

d895d51ebdb5146822e55f3c9223f846
SHA1

1eb47e1a18b9ec062329b8faec2807cd972a7850
SHA256

9298915cb5ffedde8ce5a99d430e0a684740e9c297ed2b7b983d3ff33491e381
SHA512

a98fed89dea9a851a721f85989ec80b6808884279afa449e04086dcc1d9dc92ed368916d16091c2b7b73028b78580cbbe8ef07cb7dbbff9abdcb4de63efccb21
SSDEEP

1536:O+++Kf+xt6EHFLIZgy2jcc0lbxOvTgZOvoETCcJtXw5sxD:fT5y2jcc0lbxOrVAQRJtXwSxD

Score

10^/10

defense_evasion macro xlm

Malware Config

Signatures

Process spawned unexpected child process 3 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	888	3624	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4704	3624	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4304	3624	cmd.exe	85

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x0008000000023c93-105.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
3624	EXCEL.EXE

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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\3FC75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3624	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE
3624	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 4304	3624	EXCEL.EXE	90
PID 3624 wrote to memory of 4304	3624	EXCEL.EXE	90
PID 3624 wrote to memory of 4704	3624	EXCEL.EXE	91
PID 3624 wrote to memory of 4704	3624	EXCEL.EXE	91
PID 3624 wrote to memory of 888	3624	EXCEL.EXE	92
PID 3624 wrote to memory of 888	3624	EXCEL.EXE	92
PID 4304 wrote to memory of 4856	4304	cmd.exe	97
PID 4304 wrote to memory of 4856	4304	cmd.exe	97

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4856	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ֹƸԱ.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4856
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:4704
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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\ֹƸԱ.xls

Filesize
123KB

MD5
b389d5db5c154ebe91d3fd913c60dea5

SHA1
b6fcf4e5408e11a1dd4054cbc7c10c32aaad94c3

SHA256
8d964ffe5920f36dfc4f9a41d58999120814b9309b0e974182c468dabbb38c38

SHA512
f08e62f91db56419b9c7cd1b7d8518481b581edf3cdc089493c600726d1598fe866a9cdc0aaa6956fb6a9bf403181a53870356901b06ea62c690f64224a95bba

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
2KB

MD5
5aa31516acea312aca7f5b99015af2c9

SHA1
81fb913bd24d60aa4e0d9ef03b25ad3d2070da10

SHA256
11dabcfdbf30f80489e9864b7040d55adaff72e0894cf4c01f698dc6a11a86d8

SHA512
864af39b68fb39d0a9874134debda4d24e837ed99c6c883204d94c10fc020c5a68633338e2316b677be909ff340edf35ee6bc455bf04ab5dcc5fffeac1d28f26

Download Submit
memory/3624-19-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-18-0x00007FFB72C50000-0x00007FFB72C60000-memory.dmp

Filesize
64KB

Download
memory/3624-9-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-8-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-10-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-7-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-11-0x00007FFB72C50000-0x00007FFB72C60000-memory.dmp

Filesize
64KB

Download
memory/3624-6-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-5-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

Filesize
64KB

Download
memory/3624-4-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

Filesize
64KB

Download
memory/3624-12-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-16-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-15-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-17-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-14-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-20-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-2-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

Filesize
64KB

Download
memory/3624-0-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

Filesize
64KB

Download
memory/3624-13-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-56-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-55-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-62-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-57-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-71-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-80-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-97-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-72-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-70-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-1-0x00007FFBB500D000-0x00007FFBB500E000-memory.dmp

Filesize
4KB

Download
memory/3624-107-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-108-0x00007FFBB500D000-0x00007FFBB500E000-memory.dmp

Filesize
4KB

Download
memory/3624-109-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-113-0x00007FFBB4F70000-0x00007FFBB5165000-memory.dmp

Filesize
2.0MB

Download
memory/3624-3-0x00007FFB74FF0000-0x00007FFB75000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads