xloader | 7f7af3d03481bb68e11a68e958ce6d8e96701a053eaa458e7010a4a85643cad3

Analysis

max time kernel
150s
max time network
148s
platform
windows10_x64
resource
win10v20210410
submitted
05/08/2021, 14:31

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General

Target
aa4b9c043e923952fee38447b9dd0b43.exe
Size 690KB
Sample210805-cf561zdvr6
SHA256 7f7af3d03481bb68e11a68e958ce6d8e96701a053eaa458e7010a4a85643cad3
MD5 aa4b9c043e923952fee38447b9dd0b43
SHA1 14b12aeacdd0ae6ba8e1215c192f513c29bfef6f
SHA512 eb0e81bb8f107fdc91a35f9c65d42ef3c57356c6adb62e62b53828984c81f593f301e8f2650c0efe2077346ece9afa00171f0136b6b1981acfa83dc02b8e1c73
MD5 SHA1 SHA512

Score

10^/10

xloader 6mam loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

Campaign

6mam

http://www.mobiessence.com/6mam/

Decoy

gxduoke.com
lawmetricssolicitors.com
e-bizbox.com
ilovemehoodie.com
marcuslafond.com
bransolute.com
kuppers.info
kykyryky.art
vavasoo.com
tlamj.com
besport24.com
hibachiexpressnctogo.com
elglink99.com
maximos.world
uniamaa.com
aladinfarma.com
opticatervisof.com
delhibudokankarate.com
juliekifyukstyle.com
fuzhourexian.com
qvcrx.com
trendyheld.com
hanasugisaki.com
mylifeinpark.com
importexportasia.com
paypalticket5396173.info
threatprotection.net
mayartpaints.com
miamiqueensdress.com
designtomade.com
apacshift.support
candlewooddmc.com
riveraitc.com
adenxsdesign.com
fanbase.fan
beastninjas.com
shkanghong.com
f9fui8.xyz
bgpetty.com
ryderevanrobisonstudio.com
dragonshipping.com
schoolfrontoffice.com
mypursuitpodcast.com
moneyfollowsaction.com
blueline-productions.co.uk
munnarorganics.com
bagyat.com
scientiaxliv.com
genesysshop.com
freehypnosisevent.com
amazebrowser.com
coicplat.com
annettebrownlee.com
hangrylocal.com
titanusedcarsworth.com
geekotronic.com
microwgreens.com
cannamalism.com
at-academy.com
envirotechpropertiesltd.com
ramseybusinessinstitute.info
sublos.com
kilbyrnefarm.com
expressnailsspa.com

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2840-123-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/2840-128-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral2/memory/188-141-0x0000000002870000-0x0000000002899000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
47	188	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ibbuweg = "C:\\Users\\Public\\Libraries\\gewubbI.url"	aa4b9c043e923952fee38447b9dd0b43.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 3064	2840	logagent.exe	12
PID 188 set thread context of 3064	188	msiexec.exe	12

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1664	reg.exe
3824	reg.exe
2504	reg.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
2840	logagent.exe
2840	logagent.exe
2840	logagent.exe
2840	logagent.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe
188	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3064	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2840	logagent.exe
2840	logagent.exe
2840	logagent.exe
188	msiexec.exe
188	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	logagent.exe
Token: SeDebugPrivilege	188	msiexec.exe
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE
Token: SeShutdownPrivilege	3064	Explorer.EXE
Token: SeCreatePagefilePrivilege	3064	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3064	Explorer.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 2840	3992	aa4b9c043e923952fee38447b9dd0b43.exe	78
PID 3992 wrote to memory of 1176	3992	aa4b9c043e923952fee38447b9dd0b43.exe	79
PID 3992 wrote to memory of 1176	3992	aa4b9c043e923952fee38447b9dd0b43.exe	79
PID 3992 wrote to memory of 1176	3992	aa4b9c043e923952fee38447b9dd0b43.exe	79
PID 1176 wrote to memory of 3448	1176	cmd.exe	81
PID 1176 wrote to memory of 3448	1176	cmd.exe	81
PID 1176 wrote to memory of 3448	1176	cmd.exe	81
PID 3448 wrote to memory of 1664	3448	cmd.exe	83
PID 3448 wrote to memory of 1664	3448	cmd.exe	83
PID 3448 wrote to memory of 1664	3448	cmd.exe	83
PID 3448 wrote to memory of 3824	3448	cmd.exe	84
PID 3448 wrote to memory of 3824	3448	cmd.exe	84
PID 3448 wrote to memory of 3824	3448	cmd.exe	84
PID 3448 wrote to memory of 3800	3448	cmd.exe	85
PID 3448 wrote to memory of 3800	3448	cmd.exe	85
PID 3448 wrote to memory of 3800	3448	cmd.exe	85
PID 3064 wrote to memory of 188	3064	Explorer.EXE	86
PID 3064 wrote to memory of 188	3064	Explorer.EXE	86
PID 3064 wrote to memory of 188	3064	Explorer.EXE	86
PID 188 wrote to memory of 2676	188	msiexec.exe	87
PID 188 wrote to memory of 2676	188	msiexec.exe	87
PID 188 wrote to memory of 2676	188	msiexec.exe	87
PID 3992 wrote to memory of 2652	3992	aa4b9c043e923952fee38447b9dd0b43.exe	89
PID 3992 wrote to memory of 2652	3992	aa4b9c043e923952fee38447b9dd0b43.exe	89
PID 3992 wrote to memory of 2652	3992	aa4b9c043e923952fee38447b9dd0b43.exe	89
PID 2652 wrote to memory of 2504	2652	cmd.exe	91
PID 2652 wrote to memory of 2504	2652	cmd.exe	91
PID 2652 wrote to memory of 2504	2652	cmd.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\aa4b9c043e923952fee38447b9dd0b43.exe
  "C:\Users\Admin\AppData\Local\Temp\aa4b9c043e923952fee38447b9dd0b43.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\SysWOW64\logagent.exe
    C:\Windows\System32\logagent.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1176
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3448
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        5⤵
        Modifies registry key
        
        PID:1664
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
        5⤵
        Modifies registry key
        
        PID:3824
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        5⤵
        
        PID:3800
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:2504
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:188
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\logagent.exe"
    3⤵
    PID:2676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/188-140-0x0000000000360000-0x0000000000372000-memory.dmp

Download

memory/188-141-0x0000000002870000-0x0000000002899000-memory.dmp

Download

memory/188-146-0x0000000004360000-0x00000000043F0000-memory.dmp

Download

memory/188-142-0x00000000044D0000-0x00000000047F0000-memory.dmp

Download

memory/2840-128-0x0000000010410000-0x0000000010439000-memory.dmp

Download

memory/2840-134-0x0000000004A50000-0x0000000004A61000-memory.dmp

Download

memory/2840-133-0x0000000004B10000-0x0000000004E30000-memory.dmp

Download

memory/2840-127-0x0000000000C60000-0x0000000000C61000-memory.dmp

Download

memory/3064-135-0x0000000004DB0000-0x0000000004EBC000-memory.dmp

Download

memory/3064-147-0x0000000005E40000-0x0000000005F7A000-memory.dmp

Download

memory/3992-115-0x00000000020D0000-0x00000000020EB000-memory.dmp

Download

memory/3992-120-0x0000000003A30000-0x0000000003A77000-memory.dmp

Download

memory/3992-118-0x0000000000530000-0x0000000000531000-memory.dmp

Download