xloader | 7bcbf4813256ce1a199f54f824f5e337a6ab4709287dcfa78f0cb24392e735a9

General

Target

Request for Quotation.exe
Size

205KB
MD5

a464acd5b3a7def21690a99978d7bf42
SHA1

6b3b29a4675c4ce774c65f6b832fa0162e8dfb3b
SHA256

7bcbf4813256ce1a199f54f824f5e337a6ab4709287dcfa78f0cb24392e735a9
SHA512

4569ae903139750900068f7a1808a6f0d3f65917c62bb1e24bab3d422a96090746e12e7446ba0f7065c0da37d48cfe01706a12313e0d47db9a89137d81223dba

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.onyxcomputing.com/u8nw/

Decoy

constructionjadams.com

organicwellnessfarm.com

beautiful.tours

medvows.com

foxparanormal.com

fsmxmc.com

graniterealestategroup.net

qgi1.com

astrologicsolutions.com

rafbar.com

bastiontools.net

emotist.com

stacyleets.com

bloodtypealpha.com

healtybenenfitsplus.com

vavadadoa3.com

chefbenhk.com

dotgz.com

xn--z4qm188e645c.com

ethyi.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/800-117-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1164-124-0x0000000002D20000-0x0000000002D49000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

Request for Quotation.exe

pid process

1000 Request for Quotation.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Request for Quotation.exeRequest for Quotation.execontrol.exe

description	pid	process	target process
PID 1000 set thread context of 800	1000	Request for Quotation.exe	Request for Quotation.exe
PID 800 set thread context of 2180	800	Request for Quotation.exe	Explorer.EXE
PID 1164 set thread context of 2180	1164	control.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:

Request for Quotation.execontrol.exe

pid	process
800	Request for Quotation.exe
800	Request for Quotation.exe
800	Request for Quotation.exe
800	Request for Quotation.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe
1164	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2180 Explorer.EXE

pid	process
2180	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Request for Quotation.exeRequest for Quotation.execontrol.exe

pid	process
1000	Request for Quotation.exe
800	Request for Quotation.exe
800	Request for Quotation.exe
800	Request for Quotation.exe
1164	control.exe
1164	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Request for Quotation.execontrol.exe

description pid process

Token: SeDebugPrivilege 800 Request for Quotation.exe
Token: SeDebugPrivilege 1164 control.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2180 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	800	Request for Quotation.exe
Token: SeDebugPrivilege	1164	control.exe

pid	process
2180	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Request for Quotation.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 1000 wrote to memory of 800	1000	Request for Quotation.exe	Request for Quotation.exe
PID 1000 wrote to memory of 800	1000	Request for Quotation.exe	Request for Quotation.exe
PID 1000 wrote to memory of 800	1000	Request for Quotation.exe	Request for Quotation.exe
PID 1000 wrote to memory of 800	1000	Request for Quotation.exe	Request for Quotation.exe
PID 2180 wrote to memory of 1164	2180	Explorer.EXE	control.exe
PID 2180 wrote to memory of 1164	2180	Explorer.EXE	control.exe
PID 2180 wrote to memory of 1164	2180	Explorer.EXE	control.exe
PID 1164 wrote to memory of 3600	1164	control.exe	cmd.exe
PID 1164 wrote to memory of 3600	1164	control.exe	cmd.exe
PID 1164 wrote to memory of 3600	1164	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2180

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1000

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"
3⤵
PID:3600

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsm578D.tmp\o75u.dll
MD5
942d262973dab9e3b1d475015e4d92cd

SHA1
85ac06efcd0024710ac208ef8245d1dddbbf7d9f

SHA256
7a87934d117e5f192b6268a29e6cf220155849dbed4148bd0b0c38c81892b132

SHA512
e610c6fd7e065304894f0e97f1993e6e8bdb2267ab6b94a43ffc5efd909af40479862accdb6e003d75410ed539aa3259314c8f9d73cf20b68fe5042a51b6aa3f

Download Submit
memory/800-115-0x000000000041D0C0-mapping.dmp

Download
memory/800-117-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/800-118-0x0000000000A10000-0x0000000000D30000-memory.dmp

Filesize
3.1MB

Download
memory/800-119-0x0000000000430000-0x00000000004DE000-memory.dmp

Filesize
696KB

Download
memory/1000-116-0x0000000000C70000-0x0000000000C72000-memory.dmp

Filesize
8KB

Download
memory/1164-123-0x0000000000020000-0x0000000000040000-memory.dmp

Filesize
128KB

Download
memory/1164-121-0x0000000000000000-mapping.dmp

Download
memory/1164-124-0x0000000002D20000-0x0000000002D49000-memory.dmp

Filesize
164KB

Download
memory/1164-125-0x0000000004480000-0x00000000047A0000-memory.dmp

Filesize
3.1MB

Download
memory/1164-126-0x0000000004830000-0x00000000048BF000-memory.dmp

Filesize
572KB

Download
memory/2180-120-0x0000000005660000-0x00000000057CA000-memory.dmp

Filesize
1.4MB

Download
memory/2180-127-0x00000000057D0000-0x0000000005945000-memory.dmp

Filesize
1.5MB

Download
memory/3600-122-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads