xloader | 73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358

General

Target

commercial invoice_010202201.exe
Size

238KB
MD5

acbc7357e4fb7d8d4874ecbeb0c5bd0f
SHA1

f423fed0f335e5c31d7b799aba25469420fb6009
SHA256

73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
SHA512

f492401628f2970d3a0056091aea7b7af9938da1d885e0f1a2946f3fed84eb8d132de8f926345791444de7c72c8adbb150d19cd5f81acc8fa1a043d6b0edd17d

Score

10^/10

xloader igwa loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

igwa

Decoy

listingswithalex.com

funtabse.com

aydenwalling.com

prochal.net

superfoodsnederland.com

moldluck.com

dianekgordon.store

regionalhomescommercial.com

mysecuritymadesimple.com

malwaremastery.com

kodaikeiko.com

jrzg996.com

agricurve.net

songlingjiu.com

virginianundahfishingclub.com

friendschance.com

pastelpresents.com

answertitles.com

survival-hunter.com

nxfddl.com

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2744-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2744-117-0x000000000041D440-mapping.dmp	xloader
behavioral2/memory/2744-122-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1204-128-0x00000000031F0000-0x0000000003219000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

commercial invoice_010202201.exe

pid process

3520 commercial invoice_010202201.exe

pid	process
3520	commercial invoice_010202201.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

commercial invoice_010202201.execommercial invoice_010202201.exemstsc.exe

description	pid	process	target process
PID 3520 set thread context of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 2744 set thread context of 2928	2744	commercial invoice_010202201.exe	Explorer.EXE
PID 2744 set thread context of 2928	2744	commercial invoice_010202201.exe	Explorer.EXE
PID 1204 set thread context of 2928	1204	mstsc.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

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

commercial invoice_010202201.exemstsc.exe

pid	process
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe
1204	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2928 Explorer.EXE

pid	process
2928	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

commercial invoice_010202201.exemstsc.exe

pid	process
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
2744	commercial invoice_010202201.exe
1204	mstsc.exe
1204	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

commercial invoice_010202201.exemstsc.exe

description pid process

Token: SeDebugPrivilege 2744 commercial invoice_010202201.exe
Token: SeDebugPrivilege 1204 mstsc.exe

description	pid	process
Token: SeDebugPrivilege	2744	commercial invoice_010202201.exe
Token: SeDebugPrivilege	1204	mstsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

commercial invoice_010202201.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 3520 wrote to memory of 2744	3520	commercial invoice_010202201.exe	commercial invoice_010202201.exe
PID 2928 wrote to memory of 1204	2928	Explorer.EXE	mstsc.exe
PID 2928 wrote to memory of 1204	2928	Explorer.EXE	mstsc.exe
PID 2928 wrote to memory of 1204	2928	Explorer.EXE	mstsc.exe
PID 1204 wrote to memory of 1060	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 1060	1204	mstsc.exe	cmd.exe
PID 1204 wrote to memory of 1060	1204	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2928

C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe
"C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3520

C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe
"C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2744

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"
3⤵
PID:1060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsj9A01.tmp\uajs.dll
MD5
85abde39747f6b521228f37be34d4869

SHA1
8b8f1c057d7369c6fea384daf46412f635ddf465

SHA256
900e115c271f29c66454e91f168be012c2ae5d307c86b70e8d595e0bade388c6

SHA512
7f36a7e83fd14924d365845608a9cd76f4accb425147e9f12d94a19ff5b50e3d6098e601fe08825aafef241b5a4296d7e287cc3fa794dc66c875b19df850b01f

Download Submit
memory/1060-126-0x0000000000000000-mapping.dmp

Download
memory/1204-125-0x0000000000000000-mapping.dmp

Download
memory/1204-130-0x0000000004F70000-0x0000000005000000-memory.dmp

Filesize
576KB

Download
memory/1204-129-0x00000000050C0000-0x00000000053E0000-memory.dmp

Filesize
3.1MB

Download
memory/1204-127-0x0000000000E90000-0x000000000118C000-memory.dmp

Filesize
3.0MB

Download
memory/1204-128-0x00000000031F0000-0x0000000003219000-memory.dmp

Filesize
164KB

Download
memory/2744-119-0x0000000000A40000-0x0000000000D60000-memory.dmp

Filesize
3.1MB

Download
memory/2744-123-0x0000000000A00000-0x0000000000A11000-memory.dmp

Filesize
68KB

Download
memory/2744-122-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2744-120-0x00000000009C0000-0x00000000009D1000-memory.dmp

Filesize
68KB

Download
memory/2744-117-0x000000000041D440-mapping.dmp

Download
memory/2744-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2928-124-0x0000000001FE0000-0x00000000020AE000-memory.dmp

Filesize
824KB

Download
memory/2928-121-0x0000000000670000-0x0000000000733000-memory.dmp

Filesize
780KB

Download
memory/2928-131-0x00000000024F0000-0x00000000025E7000-memory.dmp

Filesize
988KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads