xloader | 993e2502c86bc87766ee853a75c89ffe6a635383c685b1aea785364b7c101b59

General

Target

RequestLetter 11DEC.exe
Size

907KB
MD5

eb62d3d13ff0e6dc6e3daa1b2513676c
SHA1

98a8345372e8b6ff98826c35f55fe594384eb235
SHA256

993e2502c86bc87766ee853a75c89ffe6a635383c685b1aea785364b7c101b59
SHA512

0592c3a025423d1b718a9d05a0619a2939877f420123580e02343d830ede8789df6a661b7745d3a3f046a7c9f33431179188390ed9b8f577138703bd9af92042

Score

10^/10

xloader ef6c loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ef6c

C2

http://www.fis.photos/ef6c/

Decoy

gicaredocs.com

govusergroup.com

conversationspit.com

brondairy.com

rjtherealest.com

xn--9m1bq8wgkag3rjvb.com

mylori.net

softandcute.store

ahljsm.com

shacksolid.com

weekendmusecollection.com

gaminghallarna.net

pgonline111.online

44mpt.xyz

ambrandt.com

eddytattoo.com

blendeqes.com

upinmyfeels.com

lacucinadesign.com

docomoau.xyz

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1028-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1028-63-0x000000000041D3D0-mapping.dmp	xloader
behavioral1/memory/836-70-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1076 cmd.exe

pid	process
1076	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

RequestLetter 11DEC.exeRequestLetter 11DEC.exewscript.exe

description	pid	process	target process
PID 1892 set thread context of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1028 set thread context of 1376	1028	RequestLetter 11DEC.exe	Explorer.EXE
PID 836 set thread context of 1376	836	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

RequestLetter 11DEC.exeRequestLetter 11DEC.exewscript.exe

pid	process
1892	RequestLetter 11DEC.exe
1028	RequestLetter 11DEC.exe
1028	RequestLetter 11DEC.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe
836	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RequestLetter 11DEC.exewscript.exe

pid process

1028 RequestLetter 11DEC.exe
1028 RequestLetter 11DEC.exe
1028 RequestLetter 11DEC.exe
836 wscript.exe
836 wscript.exe

pid	process
1028	RequestLetter 11DEC.exe
1028	RequestLetter 11DEC.exe
1028	RequestLetter 11DEC.exe
836	wscript.exe
836	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RequestLetter 11DEC.exeRequestLetter 11DEC.exewscript.exe

description	pid	process
Token: SeDebugPrivilege	1892	RequestLetter 11DEC.exe
Token: SeDebugPrivilege	1028	RequestLetter 11DEC.exe
Token: SeDebugPrivilege	836	wscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

RequestLetter 11DEC.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1892 wrote to memory of 1428	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1428	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1428	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1428	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1892 wrote to memory of 1028	1892	RequestLetter 11DEC.exe	RequestLetter 11DEC.exe
PID 1376 wrote to memory of 836	1376	Explorer.EXE	wscript.exe
PID 1376 wrote to memory of 836	1376	Explorer.EXE	wscript.exe
PID 1376 wrote to memory of 836	1376	Explorer.EXE	wscript.exe
PID 1376 wrote to memory of 836	1376	Explorer.EXE	wscript.exe
PID 836 wrote to memory of 1076	836	wscript.exe	cmd.exe
PID 836 wrote to memory of 1076	836	wscript.exe	cmd.exe
PID 836 wrote to memory of 1076	836	wscript.exe	cmd.exe
PID 836 wrote to memory of 1076	836	wscript.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:1376

C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe
"C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe
"C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe"
3⤵
PID:1428

C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe
"C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1028

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RequestLetter 11DEC.exe"
3⤵
- Deletes itself
PID:1076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/836-68-0x0000000000000000-mapping.dmp

Download
memory/836-73-0x0000000001F90000-0x0000000002020000-memory.dmp

Filesize
576KB

Download
memory/836-71-0x0000000002080000-0x0000000002383000-memory.dmp

Filesize
3.0MB

Download
memory/836-70-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download
memory/836-69-0x00000000002C0000-0x00000000002E6000-memory.dmp

Filesize
152KB

Download
memory/1028-63-0x000000000041D3D0-mapping.dmp

Download
memory/1028-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1028-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1028-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1028-66-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/1028-65-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/1076-72-0x0000000000000000-mapping.dmp

Download
memory/1376-67-0x0000000007110000-0x00000000072A4000-memory.dmp

Filesize
1.6MB

Download
memory/1376-74-0x0000000006B90000-0x0000000006CE8000-memory.dmp

Filesize
1.3MB

Download
memory/1892-54-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1892-59-0x0000000005570000-0x0000000005686000-memory.dmp

Filesize
1.1MB

Download
memory/1892-58-0x0000000000690000-0x0000000000697000-memory.dmp

Filesize
28KB

Download
memory/1892-57-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/1892-56-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads