xloader | 2115a61103609e2f05e93ad1f8a18a21ef5f9a718e765c7bd7fc91e2cf6ba619

General

Target

czOxHskgIAQwZ8m.exe
Size

425KB
MD5

edb54a30972b862cfba8589bb1f67c7e
SHA1

7f3b9b36342bb863950e592063db38cd2c3f8bb9
SHA256

856b8775a8063900378a815cd03d0f9628c4296eddd93ac9e9cd52269178c079
SHA512

51f1e192a0f06472c5bf3da68e511d1112dd61a8a429aeb14c39e3d8e05b0448b5086d4367a2953b3dbbaa453faac63aa4319127aa9944e68334322cc6bc8f42
SSDEEP

12288:S0SrZ2vE4MtuTN6GLMX3a9sO81joauMuB3fj:Sf2vE9tuPgHa2O8hoauMuB

Score

10^/10

xloader amb4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

amb4

Decoy

ameerkabob.com

wenzhikeji.online

ktnsoil.xyz

dock7rods.com

simbaimmigration.com

tanahvilamalino.online

amaozn-co-jp.xyz

atahukukbafra.com

attruth.net

jigservices.net

310indianway.com

freelotto.online

mylanding-page.com

dudemealprep.com

wellmaintainedhealth.com

vitemonprenom.com

laurynfauntroy.com

pilotmom.info

arpatientsapp.com

sendangdigital.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2888-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2888-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2888-20-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2684-26-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2524	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 268 set thread context of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 2888 set thread context of 1220	2888	czOxHskgIAQwZ8m.exe	21
PID 2888 set thread context of 1220	2888	czOxHskgIAQwZ8m.exe	21
PID 2684 set thread context of 1220	2684	cmd.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	czOxHskgIAQwZ8m.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
268	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe
2684	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2888	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2888	czOxHskgIAQwZ8m.exe
2684	cmd.exe
2684	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	czOxHskgIAQwZ8m.exe
Token: SeDebugPrivilege	2888	czOxHskgIAQwZ8m.exe
Token: SeDebugPrivilege	2684	cmd.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 2748	268	czOxHskgIAQwZ8m.exe	31
PID 268 wrote to memory of 2748	268	czOxHskgIAQwZ8m.exe	31
PID 268 wrote to memory of 2748	268	czOxHskgIAQwZ8m.exe	31
PID 268 wrote to memory of 2748	268	czOxHskgIAQwZ8m.exe	31
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 268 wrote to memory of 2888	268	czOxHskgIAQwZ8m.exe	32
PID 1220 wrote to memory of 2684	1220	Explorer.EXE	33
PID 1220 wrote to memory of 2684	1220	Explorer.EXE	33
PID 1220 wrote to memory of 2684	1220	Explorer.EXE	33
PID 1220 wrote to memory of 2684	1220	Explorer.EXE	33
PID 2684 wrote to memory of 2524	2684	cmd.exe	34
PID 2684 wrote to memory of 2524	2684	cmd.exe	34
PID 2684 wrote to memory of 2524	2684	cmd.exe	34
PID 2684 wrote to memory of 2524	2684	cmd.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe
  "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe
    "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
    3⤵
    PID:2748
- - C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe
    "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\czOxHskgIAQwZ8m.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/268-6-0x0000000004220000-0x0000000004272000-memory.dmp

Filesize
328KB

Download
memory/268-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/268-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/268-3-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/268-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/268-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/268-1-0x00000000002A0000-0x0000000000310000-memory.dmp

Filesize
448KB

Download
memory/268-13-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/1220-27-0x0000000007AF0000-0x0000000007C6E000-memory.dmp

Filesize
1.5MB

Download
memory/1220-18-0x00000000075C0000-0x000000000775B000-memory.dmp

Filesize
1.6MB

Download
memory/1220-22-0x00000000075C0000-0x000000000775B000-memory.dmp

Filesize
1.6MB

Download
memory/1220-23-0x0000000007AF0000-0x0000000007C6E000-memory.dmp

Filesize
1.5MB

Download
memory/2684-26-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2684-24-0x000000004A810000-0x000000004A85C000-memory.dmp

Filesize
304KB

Download
memory/2684-25-0x000000004A810000-0x000000004A85C000-memory.dmp

Filesize
304KB

Download
memory/2888-14-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2888-17-0x0000000000310000-0x0000000000321000-memory.dmp

Filesize
68KB

Download
memory/2888-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2888-21-0x0000000000350000-0x0000000000361000-memory.dmp

Filesize
68KB

Download
memory/2888-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2888-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2888-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2888-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2888-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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