xloader | 5b578a81fa5276232529484ff00db9fca64a7879ab4a7abc652c9d0d3e1461ba

General

Target

RFQ 견적요청_해성190918.exe
Size

467KB
MD5

cd70300691bc9f2a261dc6b814ea31a0
SHA1

255a24ace53039f262cc74bcda27541a4c3eeaaf
SHA256

5b578a81fa5276232529484ff00db9fca64a7879ab4a7abc652c9d0d3e1461ba
SHA512

f3c86b554d45f0d0cc67be9ed25025411d47ed513fb0f72978e952c2fcbf20357ee55f1754dc7961afd1e0fc07149dfd38709c0205ad50fccdf7fdf97de981a5

Score

10^/10

xloader agilenet loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.mappmake.com/hrqs/

Decoy

xaydungdahoacuonghoanglong.com

bigbladesharpeningservice.com

lafabricadestock.com

anothersanitizerbusiness.com

vidahproperties.com

peoples.mba

lucrumglobaltrading.com

saucywhite.com

larissabarros.com

sybjs.net

crasvaleasingn.com

helpmelabit.com

physiciansimpact.com

graduacionesdemexico.com

banhflanquynhhoa.com

jn163.com

startzassets.com

kutrasoftware.com

karasknots.com

tupetmarketingdigital.com

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3896-145-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3896-146-0x000000000041D020-mapping.dmp	xloader
behavioral2/memory/1216-154-0x0000000003200000-0x0000000003228000-memory.dmp	xloader
behavioral2/memory/1216-156-0x0000000003230000-0x00000000032DE000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

RFQ.exeRFQ.exe

pid process

1312 RFQ.exe
3896 RFQ.exe

pid	process
1312	RFQ.exe
3896	RFQ.exe

Obfuscated with Agile.Net obfuscator 4 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2736-122-0x0000000006390000-0x00000000063B1000-memory.dmp	agile_net
behavioral2/memory/2736-126-0x0000000004BB0000-0x00000000050AE000-memory.dmp	agile_net
behavioral2/memory/1312-138-0x0000000005500000-0x00000000059FE000-memory.dmp	agile_net
behavioral2/memory/1312-142-0x0000000005500000-0x00000000059FE000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\RFQ = "C:\\Users\\Admin\\AppData\\Roaming\\RFQ.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ.exeRFQ.exewlanext.exe

description	pid	process	target process
PID 1312 set thread context of 3896	1312	RFQ.exe	RFQ.exe
PID 3896 set thread context of 1680	3896	RFQ.exe	Explorer.EXE
PID 1216 set thread context of 1680	1216	wlanext.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 64 IoCs

Processes:

RFQ 견적요청_해성190918.exeRFQ.exeRFQ.exewlanext.exe

pid	process
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
2736	RFQ 견적요청_해성190918.exe
1312	RFQ.exe
1312	RFQ.exe
3896	RFQ.exe
3896	RFQ.exe
3896	RFQ.exe
3896	RFQ.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe
1216	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1680 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RFQ.exewlanext.exe

pid process

3896 RFQ.exe
3896 RFQ.exe
3896 RFQ.exe
1216 wlanext.exe
1216 wlanext.exe

pid	process
1680	Explorer.EXE

pid	process
3896	RFQ.exe
3896	RFQ.exe
3896	RFQ.exe
1216	wlanext.exe
1216	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RFQ 견적요청_해성190918.exeRFQ.exeRFQ.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	2736	RFQ 견적요청_해성190918.exe
Token: SeDebugPrivilege	1312	RFQ.exe
Token: SeDebugPrivilege	3896	RFQ.exe
Token: SeDebugPrivilege	1216	wlanext.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1680 Explorer.EXE

pid	process
1680	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

RFQ 견적요청_해성190918.execmd.exeRFQ.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2736 wrote to memory of 2464	2736	RFQ 견적요청_해성190918.exe	cmd.exe
PID 2736 wrote to memory of 2464	2736	RFQ 견적요청_해성190918.exe	cmd.exe
PID 2736 wrote to memory of 2464	2736	RFQ 견적요청_해성190918.exe	cmd.exe
PID 2464 wrote to memory of 4004	2464	cmd.exe	reg.exe
PID 2464 wrote to memory of 4004	2464	cmd.exe	reg.exe
PID 2464 wrote to memory of 4004	2464	cmd.exe	reg.exe
PID 2736 wrote to memory of 1312	2736	RFQ 견적요청_해성190918.exe	RFQ.exe
PID 2736 wrote to memory of 1312	2736	RFQ 견적요청_해성190918.exe	RFQ.exe
PID 2736 wrote to memory of 1312	2736	RFQ 견적요청_해성190918.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1312 wrote to memory of 3896	1312	RFQ.exe	RFQ.exe
PID 1680 wrote to memory of 1216	1680	Explorer.EXE	wlanext.exe
PID 1680 wrote to memory of 1216	1680	Explorer.EXE	wlanext.exe
PID 1680 wrote to memory of 1216	1680	Explorer.EXE	wlanext.exe
PID 1216 wrote to memory of 940	1216	wlanext.exe	cmd.exe
PID 1216 wrote to memory of 940	1216	wlanext.exe	cmd.exe
PID 1216 wrote to memory of 940	1216	wlanext.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\RFQ 견적요청_해성190918.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 견적요청_해성190918.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "RFQ" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\RFQ.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2464

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "RFQ" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\RFQ.exe"
3⤵
- Adds Run key to start application
PID:4004

C:\Users\Admin\AppData\Roaming\RFQ.exe
"C:\Users\Admin\AppData\Roaming\RFQ.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312

C:\Users\Admin\AppData\Roaming\RFQ.exe
"C:\Users\Admin\AppData\Roaming\RFQ.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1680

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:1216

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Roaming\RFQ.exe"
3⤵
PID:940

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\RFQ.exe
MD5
cd70300691bc9f2a261dc6b814ea31a0

SHA1
255a24ace53039f262cc74bcda27541a4c3eeaaf

SHA256
5b578a81fa5276232529484ff00db9fca64a7879ab4a7abc652c9d0d3e1461ba

SHA512
f3c86b554d45f0d0cc67be9ed25025411d47ed513fb0f72978e952c2fcbf20357ee55f1754dc7961afd1e0fc07149dfd38709c0205ad50fccdf7fdf97de981a5

Download Submit
C:\Users\Admin\AppData\Roaming\RFQ.exe
MD5
cd70300691bc9f2a261dc6b814ea31a0

SHA1
255a24ace53039f262cc74bcda27541a4c3eeaaf

SHA256
5b578a81fa5276232529484ff00db9fca64a7879ab4a7abc652c9d0d3e1461ba

SHA512
f3c86b554d45f0d0cc67be9ed25025411d47ed513fb0f72978e952c2fcbf20357ee55f1754dc7961afd1e0fc07149dfd38709c0205ad50fccdf7fdf97de981a5

Download Submit
C:\Users\Admin\AppData\Roaming\RFQ.exe
MD5
cd70300691bc9f2a261dc6b814ea31a0

SHA1
255a24ace53039f262cc74bcda27541a4c3eeaaf

SHA256
5b578a81fa5276232529484ff00db9fca64a7879ab4a7abc652c9d0d3e1461ba

SHA512
f3c86b554d45f0d0cc67be9ed25025411d47ed513fb0f72978e952c2fcbf20357ee55f1754dc7961afd1e0fc07149dfd38709c0205ad50fccdf7fdf97de981a5

Download Submit
memory/940-155-0x0000000000000000-mapping.dmp

Download
memory/1216-152-0x0000000000000000-mapping.dmp

Download
memory/1216-154-0x0000000003200000-0x0000000003228000-memory.dmp

Filesize
160KB

Download
memory/1216-153-0x0000000000140000-0x0000000000157000-memory.dmp

Filesize
92KB

Download
memory/1216-156-0x0000000003230000-0x00000000032DE000-memory.dmp

Filesize
696KB

Download
memory/1216-157-0x00000000036E0000-0x000000000376F000-memory.dmp

Filesize
572KB

Download
memory/1312-144-0x0000000009B50000-0x0000000009B51000-memory.dmp

Filesize
4KB

Download
memory/1312-143-0x0000000007550000-0x000000000755B000-memory.dmp

Filesize
44KB

Download
memory/1312-142-0x0000000005500000-0x00000000059FE000-memory.dmp

Filesize
5.0MB

Download
memory/1312-138-0x0000000005500000-0x00000000059FE000-memory.dmp

Filesize
5.0MB

Download
memory/1312-128-0x0000000000000000-mapping.dmp

Download
memory/1680-151-0x00000000057B0000-0x000000000590F000-memory.dmp

Filesize
1.4MB

Download
memory/1680-158-0x0000000005910000-0x0000000005A84000-memory.dmp

Filesize
1.5MB

Download
memory/2464-125-0x0000000000000000-mapping.dmp

Download
memory/2736-119-0x0000000005CF0000-0x0000000005CF1000-memory.dmp

Filesize
4KB

Download
memory/2736-126-0x0000000004BB0000-0x00000000050AE000-memory.dmp

Filesize
5.0MB

Download
memory/2736-124-0x0000000006530000-0x0000000006531000-memory.dmp

Filesize
4KB

Download
memory/2736-116-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/2736-123-0x00000000065A0000-0x00000000065A1000-memory.dmp

Filesize
4KB

Download
memory/2736-117-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/2736-118-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/2736-114-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2736-122-0x0000000006390000-0x00000000063B1000-memory.dmp

Filesize
132KB

Download
memory/2736-121-0x0000000004BB0000-0x00000000050AE000-memory.dmp

Filesize
5.0MB

Download
memory/3896-145-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3896-150-0x0000000001190000-0x00000000011A0000-memory.dmp

Filesize
64KB

Download
memory/3896-149-0x0000000001630000-0x0000000001950000-memory.dmp

Filesize
3.1MB

Download
memory/3896-146-0x000000000041D020-mapping.dmp

Download
memory/4004-127-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads