xloader | 9696d3ec13f85ada39b140ae0096e765db0ff630f351ffa1e96484f6a4f2f030

General

Target

tmp.exe
Size

612KB
MD5

0229fa24ef686c20e6d50c5a75aa8c27
SHA1

07c4fa01089a3275f88ce4d7fa404040ac638c35
SHA256

9696d3ec13f85ada39b140ae0096e765db0ff630f351ffa1e96484f6a4f2f030
SHA512

bae11a5fa3b52c577f815dbda2aefca1a16475fd694cd62684dd31b6890731f14f1d1a3d147f5a159907b4e7e7dcc2cf5dff80b96a5e2076aa4c5cf7c2b56ca3

Score

10^/10

xloader iewb loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

iewb

Decoy

n8FLlgIlb1rSEg5hJ9xMbw4hcmR38Q==

5vIAIY+pt81OtWs+FdIEdk7Y

LHIKc+oWGIQUUlfAAtEEdk7Y

ePM/cX2jvHrS

5hvPEw22+fdvmJz3C8FIVq0=

mb9EeX2jvHrS

Dx2zIYNvfjo8VUo5

6jVPnyJekv2RAc4gLKNwEqQ=

KWatHyjdE5Gj1Ng=

t9lk70gzUAZty4qjbVjF

6eUBeFPzKBWT125BFNIEdk7Y

dZUXOIyqTJGj1Ng=

iL3TVh2Jl5QVStnzxcAhIL8=

J1prtyklUfZGR/xDD71IbkWRd2yx

s9FgCOBRW9bU0Y6jbVjF

RYCbQDzcFBhcylgu

Fl0BV/8RJm6F9QRg8LXXTLo=

0dhumHzrCCZ3wdQg7nFF1AlL6Tk=

xvL+iL6wwX+/wH9K4lbZ/A==

N0lVceIFD5Gj1Ng=

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1608-63-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1608-64-0x000000000041F840-mapping.dmp	xloader
behavioral1/memory/1608-70-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1272-74-0x00000000000E0000-0x000000000010C000-memory.dmp	xloader
behavioral1/memory/1272-78-0x00000000000E0000-0x000000000010C000-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:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Control Panel\International\Geo\Nation tmp.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

588 cmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Control Panel\International\Geo\Nation	tmp.exe

pid	process
588	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.execmstp.exe

description	pid	process	target process
PID 1252 set thread context of 1608	1252	tmp.exe	tmp.exe
PID 1608 set thread context of 1184	1608	tmp.exe	Explorer.EXE
PID 1272 set thread context of 1184	1272	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

tmp.exetmp.execmstp.exe

pid	process
1252	tmp.exe
1608	tmp.exe
1608	tmp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe
1272	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.execmstp.exe

pid process

1608 tmp.exe
1608 tmp.exe
1608 tmp.exe
1272 cmstp.exe
1272 cmstp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exetmp.execmstp.exe

description pid process

Token: SeDebugPrivilege 1252 tmp.exe
Token: SeDebugPrivilege 1608 tmp.exe
Token: SeDebugPrivilege 1272 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1184 Explorer.EXE
1184 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1184 Explorer.EXE
1184 Explorer.EXE

pid	process
1608	tmp.exe
1608	tmp.exe
1608	tmp.exe
1272	cmstp.exe
1272	cmstp.exe

description	pid	process
Token: SeDebugPrivilege	1252	tmp.exe
Token: SeDebugPrivilege	1608	tmp.exe
Token: SeDebugPrivilege	1272	cmstp.exe

pid	process
1184	Explorer.EXE
1184	Explorer.EXE

pid	process
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

tmp.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1252 wrote to memory of 848	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 848	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 848	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 848	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1252 wrote to memory of 1608	1252	tmp.exe	tmp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1184 wrote to memory of 1272	1184	Explorer.EXE	cmstp.exe
PID 1272 wrote to memory of 588	1272	cmstp.exe	cmd.exe
PID 1272 wrote to memory of 588	1272	cmstp.exe	cmd.exe
PID 1272 wrote to memory of 588	1272	cmstp.exe	cmd.exe
PID 1272 wrote to memory of 588	1272	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1184

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:848

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2016

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2008

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1944

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Deletes itself
PID:588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/588-72-0x0000000000000000-mapping.dmp

Download
memory/1184-68-0x00000000069F0000-0x0000000006B8B000-memory.dmp

Filesize
1.6MB

Download
memory/1184-79-0x0000000004E40000-0x0000000004F22000-memory.dmp

Filesize
904KB

Download
memory/1184-77-0x0000000004E40000-0x0000000004F22000-memory.dmp

Filesize
904KB

Download
memory/1252-59-0x0000000004EA0000-0x0000000004ED2000-memory.dmp

Filesize
200KB

Download
memory/1252-58-0x0000000005AE0000-0x0000000005B56000-memory.dmp

Filesize
472KB

Download
memory/1252-55-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/1252-56-0x00000000003C0000-0x00000000003E0000-memory.dmp

Filesize
128KB

Download
memory/1252-54-0x00000000001B0000-0x000000000024E000-memory.dmp

Filesize
632KB

Download
memory/1252-57-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/1272-74-0x00000000000E0000-0x000000000010C000-memory.dmp

Filesize
176KB

Download
memory/1272-69-0x0000000000000000-mapping.dmp

Download
memory/1272-73-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/1272-75-0x0000000001F20000-0x0000000002223000-memory.dmp

Filesize
3.0MB

Download
memory/1272-76-0x0000000001E20000-0x0000000001EB0000-memory.dmp

Filesize
576KB

Download
memory/1272-78-0x00000000000E0000-0x000000000010C000-memory.dmp

Filesize
176KB

Download
memory/1608-67-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/1608-66-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1608-70-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1608-64-0x000000000041F840-mapping.dmp

Download
memory/1608-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1608-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1608-60-0x0000000000400000-0x000000000042C000-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