xloader | bf5b18ccd94ad7519a945dc977e60d505e488edb1a7b91bc13a8031fe5cea262

General

Target

S.O.A. For JAN22_pdf.exe
Size

385KB
MD5

7ec785f4a7f89ef669f4ae8f27944acd
SHA1

82a7ffc5b412cb1728afca2c22df3f8e24146df7
SHA256

bf5b18ccd94ad7519a945dc977e60d505e488edb1a7b91bc13a8031fe5cea262
SHA512

e90d2e4dd59c57c6cab86e6d27d094f220fc5fafc8c1efae14ceaa349083ff42334ae845e55682c62c00ca03b7cc22fad267753303942b7b83a740de8f040b2f

Score

10^/10

xloader b23k loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b23k

Decoy

foxsistersofhydesville.com

jetronbang.com

agriturismopartingoli.com

ihiinscus.com

zaksrestaurants.store

aspetac.com

ycjhjd.com

fountainspringscapemay.com

earlydose.com

nocodebelgium.com

65235.xyz

yasesite.com

steeltoilets.com

xceqa.xyz

2021udtv.com

belorusneft.top

the4asofdekhockey.com

gertexhosiery.com

fidelismortgages.com

bellacomoninguna.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1228-61-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/784-67-0x00000000000B0000-0x00000000000D9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1896 cmd.exe

pid	process
1896	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

S.O.A. For JAN22_pdf.exeS.O.A. For JAN22_pdf.exewlanext.exe

description	pid	process	target process
PID 1312 set thread context of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1228 set thread context of 1316	1228	S.O.A. For JAN22_pdf.exe	Explorer.EXE
PID 784 set thread context of 1316	784	wlanext.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

S.O.A. For JAN22_pdf.exewlanext.exe

pid	process
1228	S.O.A. For JAN22_pdf.exe
1228	S.O.A. For JAN22_pdf.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe
784	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

S.O.A. For JAN22_pdf.exewlanext.exe

pid process

1228 S.O.A. For JAN22_pdf.exe
1228 S.O.A. For JAN22_pdf.exe
1228 S.O.A. For JAN22_pdf.exe
784 wlanext.exe
784 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

S.O.A. For JAN22_pdf.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1228 S.O.A. For JAN22_pdf.exe
Token: SeDebugPrivilege 784 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1316 Explorer.EXE
1316 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1316 Explorer.EXE
1316 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1228	S.O.A. For JAN22_pdf.exe
Token: SeDebugPrivilege	784	wlanext.exe

pid	process
1316	Explorer.EXE
1316	Explorer.EXE

pid	process
1316	Explorer.EXE
1316	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

S.O.A. For JAN22_pdf.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1312 wrote to memory of 1228	1312	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 1316 wrote to memory of 784	1316	Explorer.EXE	wlanext.exe
PID 1316 wrote to memory of 784	1316	Explorer.EXE	wlanext.exe
PID 1316 wrote to memory of 784	1316	Explorer.EXE	wlanext.exe
PID 1316 wrote to memory of 784	1316	Explorer.EXE	wlanext.exe
PID 784 wrote to memory of 1896	784	wlanext.exe	cmd.exe
PID 784 wrote to memory of 1896	784	wlanext.exe	cmd.exe
PID 784 wrote to memory of 1896	784	wlanext.exe	cmd.exe
PID 784 wrote to memory of 1896	784	wlanext.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:1316

C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1312

C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1228

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe"
3⤵
- Deletes itself
PID:1896

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/784-66-0x0000000000090000-0x00000000000A6000-memory.dmp

Filesize
88KB

Download
memory/784-69-0x0000000001CE0000-0x0000000001D70000-memory.dmp

Filesize
576KB

Download
memory/784-68-0x0000000001F70000-0x0000000002273000-memory.dmp

Filesize
3.0MB

Download
memory/784-67-0x00000000000B0000-0x00000000000D9000-memory.dmp

Filesize
164KB

Download
memory/1228-63-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1228-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-64-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/1312-54-0x0000000000F90000-0x0000000000FF6000-memory.dmp

Filesize
408KB

Download
memory/1312-58-0x00000000051E0000-0x0000000005242000-memory.dmp

Filesize
392KB

Download
memory/1312-57-0x0000000000950000-0x000000000095C000-memory.dmp

Filesize
48KB

Download
memory/1312-56-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/1312-55-0x0000000076911000-0x0000000076913000-memory.dmp

Filesize
8KB

Download
memory/1316-65-0x0000000005F10000-0x000000000602F000-memory.dmp

Filesize
1.1MB

Download
memory/1316-70-0x0000000006320000-0x0000000006446000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads