xloader | f0c8c1357cbd28ced41b65a180915bc9df4e44a60f722dd2c582dc1d00073ed5

General

Target

93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe
Size

843KB
MD5

e8ffcbc409061c90c88be282c1b8b0d0
SHA1

84ff0763b0464abd121f06599cf3c5ee739fa3f9
SHA256

93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a
SHA512

e3b8c38d8cbfcefa876b5055eb1dce48f261eca1f8ab32d6ac8cb559389ba5700cdef8e5f382b408a1fb1e1c9cfc03ba9fd05d92feef5358a1f2aca1efc2e1b3
SSDEEP

24576:dw2KSb9kgF16bJtrEMYPzPeglLG6EmdG9tMRdbur:bKykk4AMYPzGV7MRdq

Score

10^/10

xloader n58i discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

n58i

Decoy

nl-cafe.com

votetedjaleta.com

britrobertsrealtor.com

globipark.com

citysucces.com

verisignwebsite-verified.com

riddlepc.com

rosecityclimbing.com

oleandrinextract.com

salmankonstruksi.com

needhamchannel.com

refreshx2z.com

youth66.com

pla-russia.com

halloweenmaskpro.com

exdysis.com

1gcz.com

lookgoodman.com

rlxagva.com

stlcityc.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/2652-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2652-21-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2212-28-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2652 set thread context of 1216	2652	RegSvcs.exe	21
PID 2652 set thread context of 1216	2652	RegSvcs.exe	21
PID 2212 set thread context of 1216	2212	msdt.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2652	RegSvcs.exe
2652	RegSvcs.exe
2652	RegSvcs.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe
2212	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2652	RegSvcs.exe
2652	RegSvcs.exe
2652	RegSvcs.exe
2652	RegSvcs.exe
2212	msdt.exe
2212	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	RegSvcs.exe
Token: SeDebugPrivilege	2212	msdt.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2648 wrote to memory of 2652	2648	93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe	30
PID 2652 wrote to memory of 2212	2652	RegSvcs.exe	31
PID 2652 wrote to memory of 2212	2652	RegSvcs.exe	31
PID 2652 wrote to memory of 2212	2652	RegSvcs.exe	31
PID 2652 wrote to memory of 2212	2652	RegSvcs.exe	31
PID 2212 wrote to memory of 2104	2212	msdt.exe	32
PID 2212 wrote to memory of 2104	2212	msdt.exe	32
PID 2212 wrote to memory of 2104	2212	msdt.exe	32
PID 2212 wrote to memory of 2104	2212	msdt.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe
  "C:\Users\Admin\AppData\Local\Temp\93e54839118561584c3e736d6b03acfbec1373cfe5b9b9dffdb3d57e96be7d4a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - 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:2652
  - - C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      4⤵
      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:2212
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2104

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/1216-18-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1216-27-0x0000000005110000-0x0000000005294000-memory.dmp

Filesize
1.5MB

Download
memory/1216-23-0x0000000005010000-0x0000000005103000-memory.dmp

Filesize
972KB

Download
memory/1216-24-0x0000000005110000-0x0000000005294000-memory.dmp

Filesize
1.5MB

Download
memory/1216-19-0x0000000005010000-0x0000000005103000-memory.dmp

Filesize
972KB

Download
memory/2212-28-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2212-26-0x0000000000EE0000-0x0000000000FD4000-memory.dmp

Filesize
976KB

Download
memory/2212-25-0x0000000000EE0000-0x0000000000FD4000-memory.dmp

Filesize
976KB

Download
memory/2648-6-0x00000000080F0000-0x00000000081A0000-memory.dmp

Filesize
704KB

Download
memory/2648-7-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/2648-1-0x0000000000F40000-0x0000000001018000-memory.dmp

Filesize
864KB

Download
memory/2648-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-13-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-3-0x0000000000350000-0x0000000000368000-memory.dmp

Filesize
96KB

Download
memory/2648-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/2648-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2648-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/2652-14-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2652-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-22-0x00000000001F0000-0x0000000000201000-memory.dmp

Filesize
68KB

Download
memory/2652-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-17-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/2652-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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