xloader | 971b23e89575ff2b47e5639b20f902f7b7ce60b9f771a973c1f02fe4a211fb90

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7v20201028
submitted
31/03/2021, 20:39

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General

Target
Invoice_Payment0000039282.exe
Size 62KB
Sample210331-hbhpkd72a6
SHA256 971b23e89575ff2b47e5639b20f902f7b7ce60b9f771a973c1f02fe4a211fb90
MD5 6b4a571b09f5da614c2f903c758712c9
SHA1 7da3e76d4b1a16a4b01bfedbed2b809f795414ea
SHA512 ccaf37feba7a84d777b8024f4c7dc7ad333d643ff8011e2ceb9c69818832e99154185a0b25e6df2274a1ed83e97513177c8a0eff994acc726f2512da84d0132b
MD5 SHA1 SHA512

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

http://www.laviecher.com/tocg/

Decoy

suncoastwfa.com
newtryan.com
moorishhistoryandlaw.net
legalviewer.com
penyaluranpuk07.net
haifengjituan.com
epis2020.com
dollarya.com
xn--itaouvidoria-okb.com
thirtytwohockey.com
bubblypolls.com
lotus411.com
rnseptictankcleaning.com
shenyingjie.com
teamhoodied.com
betyen1.com
girlsclosetshop.com
bigpornx.com
sou1.net
cleanersmorrow.com
chuyenhoatoc.com
bosko.uk
nagai-katsunori.com
crwmsk.com
pinkpeyote.com
la-bel.photography
webmail-suporte.info
97ises.com
bumbuserbaguna.com
midgex.info
refinedmomma.com
bentong.ltd
coloursedge.com
eurekaguiadeviaje.com
washtrading.com
quitsit.xyz
learn-ad.com
nickestay.com
bookofconcord.net
kailashchauhanandcompany.com
chattm8.com
smevoluntarybenefits.com
tv5.info
ximplet.com
madmanmarketingnow.com
lawsamba.com
philosoficelebrations.com
knjslosangeles29.net
billvirginmedia.com
brighterbrands5280.com
nauticalsurveys.com
homebbw.com
gongkaozhinan.com
huazhibaowen.com
gumbopub.com
karibianncomcoblog.xyz
blackhatoutfit.com
mayin3d.pro
keydezign.com
joacycy.com
girdapfilm.com
mundomulhershops.com
daviedogtrainers.com
fujifemme.com

Signatures

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

Xloader Payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1708-12-0x000000000041CFE0-mapping.dmp	xloader
behavioral1/memory/1708-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/548-23-0x0000000000070000-0x0000000000098000-memory.dmp	xloader

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

pid	Process
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1832 set thread context of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1708 set thread context of 1196	1708	Invoice_Payment0000039282.exe	11
PID 548 set thread context of 1196	548	cscript.exe	11

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	1832	WerFault.exe	24

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1700	timeout.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1832	Invoice_Payment0000039282.exe
1708	Invoice_Payment0000039282.exe
1708	Invoice_Payment0000039282.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1708	Invoice_Payment0000039282.exe
1708	Invoice_Payment0000039282.exe
1708	Invoice_Payment0000039282.exe
548	cscript.exe
548	cscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	Invoice_Payment0000039282.exe
Token: SeDebugPrivilege	1708	Invoice_Payment0000039282.exe
Token: SeDebugPrivilege	1648	WerFault.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeDebugPrivilege	548	cscript.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1504	1832	Invoice_Payment0000039282.exe	29
PID 1832 wrote to memory of 1504	1832	Invoice_Payment0000039282.exe	29
PID 1832 wrote to memory of 1504	1832	Invoice_Payment0000039282.exe	29
PID 1832 wrote to memory of 1504	1832	Invoice_Payment0000039282.exe	29
PID 1504 wrote to memory of 1700	1504	cmd.exe	31
PID 1504 wrote to memory of 1700	1504	cmd.exe	31
PID 1504 wrote to memory of 1700	1504	cmd.exe	31
PID 1504 wrote to memory of 1700	1504	cmd.exe	31
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1708	1832	Invoice_Payment0000039282.exe	32
PID 1832 wrote to memory of 1648	1832	Invoice_Payment0000039282.exe	33
PID 1832 wrote to memory of 1648	1832	Invoice_Payment0000039282.exe	33
PID 1832 wrote to memory of 1648	1832	Invoice_Payment0000039282.exe	33
PID 1832 wrote to memory of 1648	1832	Invoice_Payment0000039282.exe	33
PID 1196 wrote to memory of 548	1196	Explorer.EXE	34
PID 1196 wrote to memory of 548	1196	Explorer.EXE	34
PID 1196 wrote to memory of 548	1196	Explorer.EXE	34
PID 1196 wrote to memory of 548	1196	Explorer.EXE	34
PID 548 wrote to memory of 980	548	cscript.exe	35
PID 548 wrote to memory of 980	548	cscript.exe	35
PID 548 wrote to memory of 980	548	cscript.exe	35
PID 548 wrote to memory of 980	548	cscript.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout 1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 1
      4⤵
      Delays execution with timeout.exe
      PID:1700
- - C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 1336
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1648
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"
    3⤵
    PID:980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/548-25-0x0000000000470000-0x00000000004FF000-memory.dmp

Download

memory/548-24-0x0000000002170000-0x0000000002473000-memory.dmp

Download

memory/548-23-0x0000000000070000-0x0000000000098000-memory.dmp

Download

memory/548-22-0x0000000000D40000-0x0000000000D62000-memory.dmp

Download

memory/1196-18-0x0000000004900000-0x0000000004A09000-memory.dmp

Download

memory/1196-26-0x0000000003AD0000-0x0000000003B62000-memory.dmp

Download

memory/1648-19-0x0000000000500000-0x0000000000501000-memory.dmp

Download

memory/1648-14-0x0000000001FE0000-0x0000000001FF1000-memory.dmp

Download

memory/1708-11-0x0000000000400000-0x0000000000429000-memory.dmp

Download

memory/1708-17-0x0000000000170000-0x0000000000180000-memory.dmp

Download

memory/1708-16-0x0000000000700000-0x0000000000A03000-memory.dmp

Download

memory/1832-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Download

memory/1832-7-0x00000000003D0000-0x0000000000408000-memory.dmp

Download

memory/1832-6-0x0000000005060000-0x0000000005061000-memory.dmp

Download

memory/1832-5-0x0000000076191000-0x0000000076193000-memory.dmp

Download

memory/1832-3-0x0000000001030000-0x0000000001031000-memory.dmp

Download