xloader | 436b6a6031748458ed3e78927394bf124d79e779ccb81eb7329beb9eaa3e9b17

General

Target

Purchase Order.exe
Size

893KB
MD5

001572ce1d689cab9270948ca76d61c0
SHA1

5d833185231eca4887b43a87842f17e1970216c8
SHA256

436b6a6031748458ed3e78927394bf124d79e779ccb81eb7329beb9eaa3e9b17
SHA512

82f754e319e765aa3c756483d10f3d8415b458bc75c1c3d2bb1f2fd39e8b68adc20fa1640f0d9d00634f2efe9f0cff7bc423b55cded390665794c1e24a045ff5

Score

10^/10

xloader nn40 loader rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nn40

Decoy

LYAg0yANOGEAGeaFOrA/

MQWuERZplP+VZy/uszI=

CF0oDN0JimIaGy/uszI=

ltJnyC+ReohYaiTvj1qbEA==

B9OkgdctVKBAFjSUaw==

sbDVwSZVVqVB11/deow8GA==

v1gHDe0pzno=

i+/0n2vHUfGPR98k77tukZ90MQ==

SUtCnbS96Qm21g==

8X9qzyt1dpAo31jXrXfKb49fBPY=

5KlPxqHzSstuFjSUaw==

0r/Kesv/zuanroxvNQW0Gm8=

FFgS7kfPYAqpdhhgRgnBJHY=

LgusAHrkrIoWr0FWIe2o/04UXPw=

vBq9Gvxa9wbKbS/uszI=

Z+q6HAZNNeqwwQ==

wbS4fMb06SjU5Kbseow8GA==

1mZEuZvJ/m0L9bof56PkkZ90MQ==

JCJIM74lHk/o+tiFOrA/

d14FrM8rGEgIzVkT67+3XaEh

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

Xloader Payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1100-63-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1100-64-0x000000000041F640-mapping.dmp	xloader
behavioral1/memory/1100-66-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1100-74-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1792-76-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader
behavioral1/memory/1792-80-0x00000000000C0000-0x00000000000EC000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Purchase Order.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	Purchase Order.exe

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

Suspicious use of SetThreadContext 4 IoCs

Processes:

Purchase Order.exePurchase Order.execmd.exe

description	pid	process	target process
PID 960 set thread context of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 1100 set thread context of 1268	1100	Purchase Order.exe	Explorer.EXE
PID 1100 set thread context of 1268	1100	Purchase Order.exe	Explorer.EXE
PID 1792 set thread context of 1268	1792	cmd.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

Purchase Order.exePurchase Order.execmd.exe

pid	process
960	Purchase Order.exe
1100	Purchase Order.exe
1100	Purchase Order.exe
1100	Purchase Order.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

Purchase Order.execmd.exe

pid process

1100 Purchase Order.exe
1100 Purchase Order.exe
1100 Purchase Order.exe
1100 Purchase Order.exe
1792 cmd.exe
1792 cmd.exe
1792 cmd.exe
1792 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Purchase Order.exePurchase Order.execmd.exe

description pid process

Token: SeDebugPrivilege 960 Purchase Order.exe
Token: SeDebugPrivilege 1100 Purchase Order.exe
Token: SeDebugPrivilege 1792 cmd.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1100	Purchase Order.exe
1100	Purchase Order.exe
1100	Purchase Order.exe
1100	Purchase Order.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe
1792	cmd.exe

description	pid	process
Token: SeDebugPrivilege	960	Purchase Order.exe
Token: SeDebugPrivilege	1100	Purchase Order.exe
Token: SeDebugPrivilege	1792	cmd.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Purchase Order.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 960 wrote to memory of 1212	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1212	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1212	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1212	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 960 wrote to memory of 1100	960	Purchase Order.exe	Purchase Order.exe
PID 1268 wrote to memory of 1792	1268	Explorer.EXE	cmd.exe
PID 1268 wrote to memory of 1792	1268	Explorer.EXE	cmd.exe
PID 1268 wrote to memory of 1792	1268	Explorer.EXE	cmd.exe
PID 1268 wrote to memory of 1792	1268	Explorer.EXE	cmd.exe
PID 1792 wrote to memory of 1684	1792	cmd.exe	Firefox.exe
PID 1792 wrote to memory of 1684	1792	cmd.exe	Firefox.exe
PID 1792 wrote to memory of 1684	1792	cmd.exe	Firefox.exe
PID 1792 wrote to memory of 1684	1792	cmd.exe	Firefox.exe
PID 1792 wrote to memory of 1684	1792	cmd.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
3⤵
PID:1212

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1588

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1180

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1832

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:268

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1760

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:564

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1768

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1932

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1872

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1684

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/960-54-0x00000000001A0000-0x0000000000286000-memory.dmp

Filesize
920KB

Download
memory/960-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

Filesize
8KB

Download
memory/960-56-0x00000000005F0000-0x00000000005FE000-memory.dmp

Filesize
56KB

Download
memory/960-57-0x0000000000710000-0x000000000071A000-memory.dmp

Filesize
40KB

Download
memory/960-58-0x0000000004E60000-0x0000000004ECA000-memory.dmp

Filesize
424KB

Download
memory/960-59-0x00000000046F0000-0x0000000004722000-memory.dmp

Filesize
200KB

Download
memory/1100-68-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/1100-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1100-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1100-64-0x000000000041F640-mapping.dmp

Download
memory/1100-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1100-67-0x0000000000C40000-0x0000000000F43000-memory.dmp

Filesize
3.0MB

Download
memory/1100-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1100-74-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1100-71-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/1268-72-0x0000000004130000-0x00000000041E8000-memory.dmp

Filesize
736KB

Download
memory/1268-69-0x0000000005F10000-0x0000000006054000-memory.dmp

Filesize
1.3MB

Download
memory/1268-79-0x0000000006060000-0x0000000006190000-memory.dmp

Filesize
1.2MB

Download
memory/1268-81-0x0000000006060000-0x0000000006190000-memory.dmp

Filesize
1.2MB

Download
memory/1792-73-0x0000000000000000-mapping.dmp

Download
memory/1792-75-0x0000000049D70000-0x0000000049DBC000-memory.dmp

Filesize
304KB

Download
memory/1792-76-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download
memory/1792-77-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1792-78-0x0000000000500000-0x0000000000590000-memory.dmp

Filesize
576KB

Download
memory/1792-80-0x00000000000C0000-0x00000000000EC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads