xloader | 4b3af4ebfe94ecb1730c15620080935f619b6592fad681921968f986c030c0c3

General

Target

tmp/femp.exe
Size

344KB
MD5

c62a556b445ff8cf1b9e0b038a13137e
SHA1

7fefc1609a4e66d234abb47a1536857317bdb31b
SHA256

4b3af4ebfe94ecb1730c15620080935f619b6592fad681921968f986c030c0c3
SHA512

c372806da30c98b047d46f8e70cce90f93829fe484ff5eb49354bd132a846ff126ea4c7024e5fae8de60c96117d940ea4fe2d6c783c67987354c7eee99c4638e

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/776-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/776-64-0x000000000041D3D0-mapping.dmp	xloader
behavioral1/memory/1380-71-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Blocklisted process makes network request 9 IoCs

Processes:

wscript.exe

flow	pid	process
27	1380	wscript.exe
28	1380	wscript.exe
30	1380	wscript.exe
32	1380	wscript.exe
34	1380	wscript.exe
36	1380	wscript.exe
38	1380	wscript.exe
40	1380	wscript.exe
42	1380	wscript.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1824 cmd.exe

pid	process
1824	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

femp.exefemp.exewscript.exe

description	pid	process	target process
PID 968 set thread context of 776	968	femp.exe	femp.exe
PID 776 set thread context of 1448	776	femp.exe	Explorer.EXE
PID 1380 set thread context of 1448	1380	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

femp.exefemp.exewscript.exe

pid	process
968	femp.exe
776	femp.exe
776	femp.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe
1380	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

femp.exewscript.exe

pid process

776 femp.exe
776 femp.exe
776 femp.exe
1380 wscript.exe
1380 wscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

femp.exefemp.exewscript.exe

description pid process

Token: SeDebugPrivilege 968 femp.exe
Token: SeDebugPrivilege 776 femp.exe
Token: SeDebugPrivilege 1380 wscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
1448 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
1448 Explorer.EXE

pid	process
776	femp.exe
776	femp.exe
776	femp.exe
1380	wscript.exe
1380	wscript.exe

description	pid	process
Token: SeDebugPrivilege	968	femp.exe
Token: SeDebugPrivilege	776	femp.exe
Token: SeDebugPrivilege	1380	wscript.exe

pid	process
1448	Explorer.EXE
1448	Explorer.EXE

pid	process
1448	Explorer.EXE
1448	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

femp.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 968 wrote to memory of 1552	968	femp.exe	femp.exe
PID 968 wrote to memory of 1552	968	femp.exe	femp.exe
PID 968 wrote to memory of 1552	968	femp.exe	femp.exe
PID 968 wrote to memory of 1552	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 968 wrote to memory of 776	968	femp.exe	femp.exe
PID 1448 wrote to memory of 1380	1448	Explorer.EXE	wscript.exe
PID 1448 wrote to memory of 1380	1448	Explorer.EXE	wscript.exe
PID 1448 wrote to memory of 1380	1448	Explorer.EXE	wscript.exe
PID 1448 wrote to memory of 1380	1448	Explorer.EXE	wscript.exe
PID 1380 wrote to memory of 1824	1380	wscript.exe	cmd.exe
PID 1380 wrote to memory of 1824	1380	wscript.exe	cmd.exe
PID 1380 wrote to memory of 1824	1380	wscript.exe	cmd.exe
PID 1380 wrote to memory of 1824	1380	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:1448

C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968

C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
3⤵
PID:1552

C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:776

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
3⤵
- Deletes itself
PID:1824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/776-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/776-67-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/776-66-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/776-64-0x000000000041D3D0-mapping.dmp

Download
memory/776-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/776-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/968-60-0x0000000004DB0000-0x0000000004DFB000-memory.dmp

Filesize
300KB

Download
memory/968-55-0x0000000001310000-0x0000000001311000-memory.dmp

Filesize
4KB

Download
memory/968-59-0x0000000000E00000-0x0000000000E01000-memory.dmp

Filesize
4KB

Download
memory/968-58-0x0000000000240000-0x0000000000245000-memory.dmp

Filesize
20KB

Download
memory/968-57-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1380-69-0x0000000000000000-mapping.dmp

Download
memory/1380-70-0x0000000000580000-0x00000000005A6000-memory.dmp

Filesize
152KB

Download
memory/1380-71-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download
memory/1380-73-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/1380-74-0x0000000001D30000-0x0000000001DC0000-memory.dmp

Filesize
576KB

Download
memory/1448-68-0x0000000006460000-0x000000000656F000-memory.dmp

Filesize
1.1MB

Download
memory/1448-75-0x0000000005000000-0x00000000050F4000-memory.dmp

Filesize
976KB

Download
memory/1824-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads