xloader | 2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08

General

Target

Invoice_xls.exe
Size

311KB
MD5

11dd29bb7f2c5cb432b766b5b8dd828d
SHA1

d9fc2d3ef2af139ad15773b448ce1250c7262651
SHA256

2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08
SHA512

9f33dd9911a99757f6b475a1a6725c980d27d18a2ee30bf51ebe6b0f33a4211e294bfae196ec94c44475b92ec08cef94bc0a53ea0c4180f8d49eb336c12f9253

Score

10^/10

xloader 3a4h loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

3a4h

Decoy

mohamedmansour.net

asap.green

influxair.com

45mpt.xyz

cablerailingdesign.com

salesdisrupter.com

cxfarms.com

enerconfederal.com

pl1x.top

nyoz.top

fitnesz.website

minimi36.com

borealiselectricalrepair.com

miskalqurashi.com

importacionesdelfuturo.com

cigfinanacial.com

luxamata.xyz

digicoin724.com

gozabank.com

tribal-treasures.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/976-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/696-63-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

560 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Invoice_xls.exe

pid process

1796 Invoice_xls.exe

pid	process
560	cmd.exe

pid	process
1796	Invoice_xls.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Invoice_xls.exeInvoice_xls.exechkdsk.exe

description	pid	process	target process
PID 1796 set thread context of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 976 set thread context of 1448	976	Invoice_xls.exe	Explorer.EXE
PID 696 set thread context of 1448	696	chkdsk.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

Invoice_xls.exechkdsk.exe

pid	process
976	Invoice_xls.exe
976	Invoice_xls.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe
696	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Invoice_xls.exechkdsk.exe

pid process

976 Invoice_xls.exe
976 Invoice_xls.exe
976 Invoice_xls.exe
696 chkdsk.exe
696 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice_xls.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 976 Invoice_xls.exe
Token: SeDebugPrivilege 696 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
1448 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
1448 Explorer.EXE

pid	process
1448	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	976	Invoice_xls.exe
Token: SeDebugPrivilege	696	chkdsk.exe

pid	process
1448	Explorer.EXE
1448	Explorer.EXE

pid	process
1448	Explorer.EXE
1448	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Invoice_xls.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1796 wrote to memory of 976	1796	Invoice_xls.exe	Invoice_xls.exe
PID 1448 wrote to memory of 696	1448	Explorer.EXE	chkdsk.exe
PID 1448 wrote to memory of 696	1448	Explorer.EXE	chkdsk.exe
PID 1448 wrote to memory of 696	1448	Explorer.EXE	chkdsk.exe
PID 1448 wrote to memory of 696	1448	Explorer.EXE	chkdsk.exe
PID 696 wrote to memory of 560	696	chkdsk.exe	cmd.exe
PID 696 wrote to memory of 560	696	chkdsk.exe	cmd.exe
PID 696 wrote to memory of 560	696	chkdsk.exe	cmd.exe
PID 696 wrote to memory of 560	696	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\Invoice_xls.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice_xls.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1796

C:\Users\Admin\AppData\Local\Temp\Invoice_xls.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice_xls.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:976

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Invoice_xls.exe"
3⤵
- Deletes itself
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nso4730.tmp\rrlxaouw.dll
MD5
e52b051e982b688f4338b012105c35c2

SHA1
eb63d793fd56e83b7b59ddd6b3baa60d7690d451

SHA256
c9d1cef3f23698f94b58de1123e6634dfc575b51d11a5a4eeb03eef31723101c

SHA512
f5177cafb0f7757c5c4445028f80a568c35c170fb15943f7c2d7cb2c7265179a054f4eba629311dd0bfddf1e74abf498755b67aa7d4f21b6b75cd106a6fd0558

Download Submit
memory/696-62-0x0000000000ED0000-0x0000000000ED7000-memory.dmp

Filesize
28KB

Download
memory/696-63-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/696-64-0x00000000022E0000-0x00000000025E3000-memory.dmp

Filesize
3.0MB

Download
memory/696-65-0x0000000000A40000-0x0000000000AD0000-memory.dmp

Filesize
576KB

Download
memory/976-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/976-60-0x00000000002C0000-0x0000000000429000-memory.dmp

Filesize
1.4MB

Download
memory/976-59-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1448-61-0x00000000071C0000-0x000000000731E000-memory.dmp

Filesize
1.4MB

Download
memory/1448-66-0x0000000005000000-0x00000000050D9000-memory.dmp

Filesize
868KB

Download
memory/1796-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads