b8d2a5f16ea925365b077d763e79ac0ced60b7e22ad16307e2ccc73a4a5a05fe

General

Target

b8d2a5f16ea925365b077d763e79ac0ced60b7e22ad16307e2ccc73a4a5a05fe.doc
Size

80KB
MD5

0c98a7e39b0d9a0cb338faee3901182b
SHA1

32df1ab85a1aaaeadc2c859b8053dce54b28ab9e
SHA256

b8d2a5f16ea925365b077d763e79ac0ced60b7e22ad16307e2ccc73a4a5a05fe
SHA512

609448e7d4079c625e3b7a54666c1ca799db4d3d31e96d5e5d806aee17f11721cba1e210c3aefc779410ff6652f4650370468a3b0a948a279ee1fb4875d5e038
SSDEEP

768:G6Z7UW+H1tVBhb0Df/EJTfDrrbsjftyGWmVQ02DKXJru9TWPi7pXmVhGvbkR:uJH0DUJTfDrrg73HJruZwnh+2

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://savepic.su/5339121.png

exe.dropper

http://91.194.254.213/us/file.jpg

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.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	4744	1756	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

38 4588 powershell.exe
54 4588 powershell.exe
68 4588 powershell.exe

flow	pid	process
38	4588	powershell.exe
54	4588	powershell.exe
68	4588	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Processes:

WINWORD.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	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3324 PING.EXE
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1756 WINWORD.EXE
1756 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4588 powershell.exe
4588 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4588 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1756 WINWORD.EXE
1756 WINWORD.EXE
1756 WINWORD.EXE
1756 WINWORD.EXE
1756 WINWORD.EXE
1756 WINWORD.EXE
1756 WINWORD.EXE

pid	process
3324	PING.EXE

pid	process
1756	WINWORD.EXE
1756	WINWORD.EXE

pid	process
4588	powershell.exe
4588	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4588	powershell.exe

pid	process
1756	WINWORD.EXE
1756	WINWORD.EXE
1756	WINWORD.EXE
1756	WINWORD.EXE
1756	WINWORD.EXE
1756	WINWORD.EXE
1756	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

WINWORD.EXEcmd.execscript.exe

description	pid	process	target process
PID 1756 wrote to memory of 4744	1756	WINWORD.EXE	cmd.exe
PID 1756 wrote to memory of 4744	1756	WINWORD.EXE	cmd.exe
PID 4744 wrote to memory of 3324	4744	cmd.exe	PING.EXE
PID 4744 wrote to memory of 3324	4744	cmd.exe	PING.EXE
PID 4744 wrote to memory of 3692	4744	cmd.exe	chcp.com
PID 4744 wrote to memory of 3692	4744	cmd.exe	chcp.com
PID 4744 wrote to memory of 2804	4744	cmd.exe	cscript.exe
PID 4744 wrote to memory of 2804	4744	cmd.exe	cscript.exe
PID 2804 wrote to memory of 4588	2804	cscript.exe	powershell.exe
PID 2804 wrote to memory of 4588	2804	cscript.exe	powershell.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\b8d2a5f16ea925365b077d763e79ac0ced60b7e22ad16307e2ccc73a4a5a05fe.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4744

C:\Windows\system32\PING.EXE
ping 1.1.2.2 -n 2
3⤵
- Runs ping.exe
PID:3324

C:\Windows\system32\chcp.com
chcp 1251
3⤵
PID:3692

C:\Windows\system32\cscript.exe
cscript.exe "c:\Users\Admin\AppData\Local\Temp\adobeacd-update"".""v""bs"
3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy bypass -noprofile -file C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

Remote System Discovery

1

T1018

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\adobeacd-update.ps1
Filesize
1KB

MD5
0d8d6107cdbcf56503a8ae7132908db4

SHA1
a129450408d07867f2293ce0f12061b0b105ff07

SHA256
d51d1954df7e4d63f7b0f72abd84c40f167b9d472c93782d1bdf8a24f3ad401d

SHA512
5d98f91e5f365aabd430255f92ee6fb7149dfcdf94a3973b08e82c33ac18399cced908deafbe3fa51650121d21e0fb99c24f5856372929ab9c432dad96d6619a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.bat
Filesize
201B

MD5
db284f3088a19c5f1db17fb350ff51f6

SHA1
3fdc11507a7707014810f37292a1a06ed373da06

SHA256
2b933f325c4feff9df59998c982e9ba8b67702b1409df7ea42beec70b6058c63

SHA512
0412ca120fcaf29f84641a7f75e1de9a96497479ddb925fb35c05fe15fb8198ded6925d371a6ba2ef4ba6e1ce75731d8600aea4d79fa74bcfd8b4971bbbd8a9a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\adobeacd-update.vbs
Filesize
430B

MD5
0d8058019394d944c9331381118f5807

SHA1
148aa9f999435593bcf7aee7c65fe7bdf136d2b9

SHA256
78184d2722c9aa397792c93a22033a059f856859dd88b8884eef03aa0364d202

SHA512
7bb478e56648c98f2b3497980cc5bdb602dc75129d12c38d1880d0c8f1625e7cae17ace163d2ad0a575b531c095085df2f7e8f774d2be08aff818e45e1060b81

Download Submit
memory/1756-137-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/1756-136-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/1756-132-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/1756-138-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/1756-139-0x00000132B984F000-0x00000132B9851000-memory.dmp

Filesize
8KB

Download
memory/1756-134-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/1756-135-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/1756-143-0x00000132B9981000-0x00000132B9983000-memory.dmp

Filesize
8KB

Download
memory/1756-144-0x00000132B984F000-0x00000132B9851000-memory.dmp

Filesize
8KB

Download
memory/1756-133-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/2804-146-0x0000000000000000-mapping.dmp

Download
memory/3324-142-0x0000000000000000-mapping.dmp

Download
memory/3692-145-0x0000000000000000-mapping.dmp

Download
memory/4588-148-0x0000000000000000-mapping.dmp

Download
memory/4588-149-0x0000027C5AC20000-0x0000027C5AC42000-memory.dmp

Filesize
136KB

Download
memory/4588-150-0x00007FF806650000-0x00007FF807111000-memory.dmp

Filesize
10.8MB

Download
memory/4588-151-0x0000027C73060000-0x0000027C730A4000-memory.dmp

Filesize
272KB

Download
memory/4588-153-0x00007FF806650000-0x00007FF807111000-memory.dmp

Filesize
10.8MB

Download
memory/4744-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads