xloader | a5f047cd5a1f181b220f8a68e01f7003c3f81d5b6601a4578977b89cf4ea5246

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-en-20210920
submitted
02/11/2021, 10:31

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General

Target
Halkbank_Ekstre_20211102_082357_541079.exe
Size 918KB
Sample211102-mkdfxahcdq
SHA256 a5f047cd5a1f181b220f8a68e01f7003c3f81d5b6601a4578977b89cf4ea5246
MD5 b0b90e5693e10c3fe1f3e051d6771800
SHA1 8c01847f9d4d8714f5ad80cfb785929899817e67
SHA512 aaf87df6fd6faf8c677a11a8db6514b44acd8bd8074f456a0cc74987b71429c4f6a6702fa4bb068250fa83f0979eec53fc8a729c3a3d373b993701075990d370
MD5 SHA1 SHA512

Score

10^/10

xloader n5fq loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

Campaign

n5fq

http://www.hanseionlinemarketing.com/n5fq/

Decoy

refinanceforblue.com
davantra.com
bigdroneparts.com
reno-ottawa.com
jnwgjn.com
vatikanlottery.com
swat.solutions
specialist-david.com
donnagennaro.com
f9store.com
acabarcomaherpes.com
covapa2.com
ampillfy.com
yourealways.space
caffeetcompany.online
brimstrategy.com
neumaticosjhoma.com
fortuneacademytrading.com
web-control.biz
quickiter.com
bulutglass.com
ufa1599.com
xfilmeonline.net
smartplumbing.services
chatcure.com
hoco-up.com
seqeins.com
gvcc.art
oaybc.com
guillermoreyes.net
mcato.xyz
mywigsandbundles.com
cashph.com
bosscelikkapi.net
avtosport.space
y1h2.online
royalbritishfootballacademy.com
gilako.net
futureone.online
experthost.net
poconos365.com
ds0001.xyz
denverprofessionalmovers.com
taghhu.online
luto-korma.store
my-mortuarycooler.xyz
insulated-box.com
vishavbhandari.com
z5k9xaqpl2snxtm.xyz
smartlifegenomics.com
givinvids.com
sooga.club
giftopify.net
ditra.digital
femetaverse.com
abusedbrokenbutchosen.com
high-clicks2.com
reddishpor.xyz
quickpaintsng.com
sabuntnpasumo4.xyz
successmakers.club
xn--2es77o3w1bruk.mobi
qdchengbang.com
resourcelsd.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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1044-72-0x0000000072480000-0x00000000724AA000-memory.dmp	xloader
behavioral1/memory/1780-78-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Eintkzai = "C:\\Users\\Public\\Libraries\\\\iazktniE.url"	Halkbank_Ekstre_20211102_082357_541079.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1044 set thread context of 1336	1044	mobsync.exe	11
PID 1780 set thread context of 1336	1780	mstsc.exe	11

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1936	reg.exe
1168	reg.exe
556	reg.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1044	mobsync.exe
1044	mobsync.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe
1780	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1336	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1044	mobsync.exe
1044	mobsync.exe
1044	mobsync.exe
1780	mstsc.exe
1780	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	mobsync.exe
Token: SeDebugPrivilege	1780	mstsc.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1044	1732	Halkbank_Ekstre_20211102_082357_541079.exe	30
PID 1732 wrote to memory of 1512	1732	Halkbank_Ekstre_20211102_082357_541079.exe	31
PID 1732 wrote to memory of 1512	1732	Halkbank_Ekstre_20211102_082357_541079.exe	31
PID 1732 wrote to memory of 1512	1732	Halkbank_Ekstre_20211102_082357_541079.exe	31
PID 1732 wrote to memory of 1512	1732	Halkbank_Ekstre_20211102_082357_541079.exe	31
PID 1512 wrote to memory of 1548	1512	cmd.exe	33
PID 1512 wrote to memory of 1548	1512	cmd.exe	33
PID 1512 wrote to memory of 1548	1512	cmd.exe	33
PID 1512 wrote to memory of 1548	1512	cmd.exe	33
PID 1548 wrote to memory of 1168	1548	cmd.exe	35
PID 1548 wrote to memory of 1168	1548	cmd.exe	35
PID 1548 wrote to memory of 1168	1548	cmd.exe	35
PID 1548 wrote to memory of 1168	1548	cmd.exe	35
PID 1548 wrote to memory of 556	1548	cmd.exe	36
PID 1548 wrote to memory of 556	1548	cmd.exe	36
PID 1548 wrote to memory of 556	1548	cmd.exe	36
PID 1548 wrote to memory of 556	1548	cmd.exe	36
PID 1548 wrote to memory of 456	1548	cmd.exe	37
PID 1548 wrote to memory of 456	1548	cmd.exe	37
PID 1548 wrote to memory of 456	1548	cmd.exe	37
PID 1548 wrote to memory of 456	1548	cmd.exe	37
PID 1336 wrote to memory of 1780	1336	Explorer.EXE	38
PID 1336 wrote to memory of 1780	1336	Explorer.EXE	38
PID 1336 wrote to memory of 1780	1336	Explorer.EXE	38
PID 1336 wrote to memory of 1780	1336	Explorer.EXE	38
PID 1732 wrote to memory of 1148	1732	Halkbank_Ekstre_20211102_082357_541079.exe	39
PID 1732 wrote to memory of 1148	1732	Halkbank_Ekstre_20211102_082357_541079.exe	39
PID 1732 wrote to memory of 1148	1732	Halkbank_Ekstre_20211102_082357_541079.exe	39
PID 1732 wrote to memory of 1148	1732	Halkbank_Ekstre_20211102_082357_541079.exe	39
PID 1148 wrote to memory of 1936	1148	cmd.exe	41
PID 1148 wrote to memory of 1936	1148	cmd.exe	41
PID 1148 wrote to memory of 1936	1148	cmd.exe	41
PID 1148 wrote to memory of 1936	1148	cmd.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211102_082357_541079.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20211102_082357_541079.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\mobsync.exe
    C:\Windows\System32\mobsync.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Public\Trast.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1512
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1548
    - - C:\Windows\SysWOW64\reg.exe
        
        reg delete hkcu\Environment /v windir /f
        5⤵
        Modifies registry key
        
        PID:1168
    - - 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:556
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
        5⤵
        
        PID:456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Public\nest.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1148
  - - C:\Windows\SysWOW64\reg.exe
      reg delete hkcu\Environment /v windir /f
      4⤵
      Modifies registry key
      PID:1936
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:1780

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/1044-69-0x0000000000090000-0x0000000000091000-memory.dmp

Download

memory/1044-72-0x0000000072480000-0x00000000724AA000-memory.dmp

Download

memory/1044-73-0x0000000000140000-0x0000000000151000-memory.dmp

Download

memory/1044-58-0x0000000000080000-0x0000000000081000-memory.dmp

Download

memory/1044-71-0x0000000002090000-0x0000000002393000-memory.dmp

Download

memory/1044-57-0x0000000072480000-0x00000000724AA000-memory.dmp

Download

memory/1044-70-0x0000000072480000-0x00000000724AA000-memory.dmp

Download

memory/1336-74-0x0000000006E70000-0x0000000006F77000-memory.dmp

Download

memory/1336-84-0x0000000008BB0000-0x0000000008CF1000-memory.dmp

Download

memory/1732-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Download

memory/1732-56-0x00000000003A1000-0x00000000003B5000-memory.dmp

Download

memory/1732-55-0x0000000000380000-0x0000000000381000-memory.dmp

Download

memory/1780-79-0x00000000020D0000-0x00000000023D3000-memory.dmp

Download

memory/1780-77-0x0000000000A30000-0x0000000000B34000-memory.dmp

Download

memory/1780-83-0x0000000000950000-0x00000000009E0000-memory.dmp

Download

memory/1780-78-0x00000000000C0000-0x00000000000E9000-memory.dmp

Download