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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2224-123-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2224-126-0x0000000001360000-0x00000000014F2000-memory.dmp	xloader
behavioral2/memory/2224-128-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/604-132-0x00000000005A0000-0x00000000005C9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

S.O.A. For JAN22_pdf.exeS.O.A. For JAN22_pdf.exerundll32.exe

description	pid	process	target process
PID 2504 set thread context of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2224 set thread context of 2968	2224	S.O.A. For JAN22_pdf.exe	Explorer.EXE
PID 2224 set thread context of 2968	2224	S.O.A. For JAN22_pdf.exe	Explorer.EXE
PID 604 set thread context of 2968	604	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

S.O.A. For JAN22_pdf.exerundll32.exe

pid	process
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe
604	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2968 Explorer.EXE

pid	process
2968	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

S.O.A. For JAN22_pdf.exerundll32.exe

pid	process
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
2224	S.O.A. For JAN22_pdf.exe
604	rundll32.exe
604	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

S.O.A. For JAN22_pdf.exerundll32.exe

description pid process

Token: SeDebugPrivilege 2224 S.O.A. For JAN22_pdf.exe
Token: SeDebugPrivilege 604 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2224	S.O.A. For JAN22_pdf.exe
Token: SeDebugPrivilege	604	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

S.O.A. For JAN22_pdf.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2504 wrote to memory of 2224	2504	S.O.A. For JAN22_pdf.exe	S.O.A. For JAN22_pdf.exe
PID 2968 wrote to memory of 604	2968	Explorer.EXE	rundll32.exe
PID 2968 wrote to memory of 604	2968	Explorer.EXE	rundll32.exe
PID 2968 wrote to memory of 604	2968	Explorer.EXE	rundll32.exe
PID 604 wrote to memory of 1372	604	rundll32.exe	cmd.exe
PID 604 wrote to memory of 1372	604	rundll32.exe	cmd.exe
PID 604 wrote to memory of 1372	604	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2968

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:2504

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:2224

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\S.O.A. For JAN22_pdf.exe"
3⤵
PID:1372

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/604-134-0x0000000004410000-0x000000000459D000-memory.dmp

Filesize
1.6MB

Download
memory/604-132-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/604-133-0x0000000004740000-0x0000000004A60000-memory.dmp

Filesize
3.1MB

Download
memory/604-131-0x0000000000B30000-0x0000000000B43000-memory.dmp

Filesize
76KB

Download
memory/2224-125-0x0000000001500000-0x0000000001820000-memory.dmp

Filesize
3.1MB

Download
memory/2224-129-0x0000000001A40000-0x0000000001A51000-memory.dmp

Filesize
68KB

Download
memory/2224-128-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-126-0x0000000001360000-0x00000000014F2000-memory.dmp

Filesize
1.6MB

Download
memory/2224-123-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-120-0x0000000005A90000-0x0000000005A9C000-memory.dmp

Filesize
48KB

Download
memory/2504-122-0x00000000080F0000-0x0000000008152000-memory.dmp

Filesize
392KB

Download
memory/2504-121-0x0000000007F70000-0x000000000800C000-memory.dmp

Filesize
624KB

Download
memory/2504-115-0x0000000000FA0000-0x0000000001006000-memory.dmp

Filesize
408KB

Download
memory/2504-119-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/2504-118-0x00000000033C0000-0x00000000033C1000-memory.dmp

Filesize
4KB

Download
memory/2504-117-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/2504-116-0x0000000005E10000-0x000000000630E000-memory.dmp

Filesize
5.0MB

Download
memory/2968-127-0x0000000006DB0000-0x0000000006ECD000-memory.dmp

Filesize
1.1MB

Download
memory/2968-130-0x0000000001450000-0x0000000001554000-memory.dmp

Filesize
1.0MB

Download
memory/2968-135-0x0000000005820000-0x000000000592E000-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