xloader | f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f

General

Target

PURCHASE ORDER 87910219.exe
Size

611KB
MD5

340383b761e559e0879a8d1d713fab03
SHA1

fec6b23c2df800dd828171e70af6c9cdf969c17e
SHA256

f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f
SHA512

b9be3890dcbe3888938bac4e32aa61d2408636f75068511e3aee029934457d5c9d57337e5a7633c184b7f5b29ac9a34ff677f32bbe934908a22aa30aee7715d5

Score

10^/10

xloader be3s loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be3s

Decoy

aoxaswa.info

souplab-graphic.com

churchontheisland.com

spclassic-cars.com

stanford-edu.club

heydowm.online

chattanooga-electricians.com

sectsk.com

cxg98.com

buildafricaonline.net

buydogcoin.com

vsst247.com

lodgelastrancas.com

ainonaho.com

griousndwarehsftyfs.xyz

voltagestabilizersupply.com

xn--79q565dzfex9hg81b.com

isrvr-ccrforum.info

chitiandi.com

criticaldisco.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/688-137-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/688-139-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3080-146-0x0000000000940000-0x000000000096B000-memory.dmp	xloader
behavioral2/memory/3080-149-0x0000000000940000-0x000000000096B000-memory.dmp	xloader

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cmstp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ZDFLGP7P_6P = "C:\\Program Files (x86)\\Yn2atv40\\jfilgbmxonf8wprx.exe"	cmstp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PURCHASE ORDER 87910219.exePURCHASE ORDER 87910219.execmstp.exe

description	pid	process	target process
PID 2192 set thread context of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 688 set thread context of 372	688	PURCHASE ORDER 87910219.exe	Explorer.EXE
PID 3080 set thread context of 372	3080	cmstp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmstp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Yn2atv40\jfilgbmxonf8wprx.exe cmstp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Yn2atv40\jfilgbmxonf8wprx.exe	cmstp.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

PURCHASE ORDER 87910219.exePURCHASE ORDER 87910219.execmstp.exe

pid	process
2192	PURCHASE ORDER 87910219.exe
2192	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

372 Explorer.EXE

pid	process
372	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

PURCHASE ORDER 87910219.execmstp.exe

pid	process
688	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
688	PURCHASE ORDER 87910219.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe
3080	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PURCHASE ORDER 87910219.exePURCHASE ORDER 87910219.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	2192	PURCHASE ORDER 87910219.exe
Token: SeDebugPrivilege	688	PURCHASE ORDER 87910219.exe
Token: SeDebugPrivilege	3080	cmstp.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PURCHASE ORDER 87910219.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2192 wrote to memory of 2540	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 2540	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 2540	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 2192 wrote to memory of 688	2192	PURCHASE ORDER 87910219.exe	PURCHASE ORDER 87910219.exe
PID 372 wrote to memory of 3080	372	Explorer.EXE	cmstp.exe
PID 372 wrote to memory of 3080	372	Explorer.EXE	cmstp.exe
PID 372 wrote to memory of 3080	372	Explorer.EXE	cmstp.exe
PID 3080 wrote to memory of 2424	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 2424	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 2424	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 5036	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 5036	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 5036	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 2108	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 2108	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 2108	3080	cmstp.exe	cmd.exe
PID 3080 wrote to memory of 4868	3080	cmstp.exe	Firefox.exe
PID 3080 wrote to memory of 4868	3080	cmstp.exe	Firefox.exe
PID 3080 wrote to memory of 4868	3080	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe"
3⤵
PID:2540

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:688

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 87910219.exe"
3⤵
PID:2424

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:5036

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2108

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4868

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/372-142-0x0000000003330000-0x00000000033E8000-memory.dmp

Filesize
736KB

Download
memory/372-151-0x0000000008550000-0x0000000008685000-memory.dmp

Filesize
1.2MB

Download
memory/372-150-0x0000000008550000-0x0000000008685000-memory.dmp

Filesize
1.2MB

Download
memory/688-136-0x0000000000000000-mapping.dmp

Download
memory/688-137-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/688-139-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/688-140-0x0000000001160000-0x00000000014AA000-memory.dmp

Filesize
3.3MB

Download
memory/688-141-0x0000000000CF0000-0x0000000000D01000-memory.dmp

Filesize
68KB

Download
memory/2108-154-0x0000000000000000-mapping.dmp

Download
memory/2192-134-0x0000000007630000-0x00000000076CC000-memory.dmp

Filesize
624KB

Download
memory/2192-130-0x0000000000830000-0x00000000008CE000-memory.dmp

Filesize
632KB

Download
memory/2192-133-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/2192-132-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/2192-131-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/2424-144-0x0000000000000000-mapping.dmp

Download
memory/2540-135-0x0000000000000000-mapping.dmp

Download
memory/3080-143-0x0000000000000000-mapping.dmp

Download
memory/3080-149-0x0000000000940000-0x000000000096B000-memory.dmp

Filesize
172KB

Download
memory/3080-148-0x0000000002900000-0x0000000002990000-memory.dmp

Filesize
576KB

Download
memory/3080-147-0x0000000002BD0000-0x0000000002F1A000-memory.dmp

Filesize
3.3MB

Download
memory/3080-146-0x0000000000940000-0x000000000096B000-memory.dmp

Filesize
172KB

Download
memory/3080-145-0x0000000000030000-0x0000000000046000-memory.dmp

Filesize
88KB

Download
memory/5036-152-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads