xloader | a9fca272884348ca9773935b5833407aced2d22cc1ec4c688ca6a82f93bb6444

General

Target

05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
Size

825KB
MD5

9fbef7ef7736524a4d70188cd5e13ecc
SHA1

4462f6643b9de71db404f0ce65b02e3f9c1321ee
SHA256

05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f
SHA512

41ec03df8ec1d25c84085e21b69f8a0b046ff81bca1468b49ccc5fcd720b223dee26440110ba8b10590bede72985ca09c53b633875e6189f151791334c4d7f97
SSDEEP

24576:wJLPK9FNsY9Pu7+2FJGDp46hHrrJAY1BWwO40w7yP95O:sLP6NsqKTGtRR2SBW3dw2P

Score

10^/10

xloader nazb discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

nazb

Decoy

polypixelarmy.com

dppu56.com

prayrowan.com

favoredysxdmg.xyz

swichkickoff.com

suddennnnnnnnnnnn06.xyz

your-own-vpn.com

ban-click.com

digiblogofficial.com

frugaimoms.quest

longoriaamanda.com

moonelegant.com

americanpawnaz.com

riverflowmassage.com

theresnosomedayinbadass.com

sacredsolomon.com

mkperfumy.com

yavastudasuda.net

votewhosright.com

lovetoconnect.net

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/2524-10-0x0000000000400000-0x000000000043A000-memory.dmp	xloader
behavioral1/memory/2524-7-0x0000000000400000-0x000000000043A000-memory.dmp	xloader
behavioral1/memory/2524-13-0x0000000000400000-0x000000000043A000-memory.dmp	xloader
behavioral1/memory/2228-22-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3028 set thread context of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 2524 set thread context of 1216	2524	OptionalFeatures.exe	21
PID 2228 set thread context of 1216	2228	rundll32.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	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OptionalFeatures.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
2524	OptionalFeatures.exe
2524	OptionalFeatures.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe
2228	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2524	OptionalFeatures.exe
2524	OptionalFeatures.exe
2524	OptionalFeatures.exe
2228	rundll32.exe
2228	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
Token: SeDebugPrivilege	2524	OptionalFeatures.exe
Token: SeDebugPrivilege	2228	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 3028 wrote to memory of 2524	3028	05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe	30
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 1216 wrote to memory of 2228	1216	Explorer.EXE	31
PID 2228 wrote to memory of 2716	2228	rundll32.exe	32
PID 2228 wrote to memory of 2716	2228	rundll32.exe	32
PID 2228 wrote to memory of 2716	2228	rundll32.exe	32
PID 2228 wrote to memory of 2716	2228	rundll32.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe
  "C:\Users\Admin\AppData\Local\Temp\05b1c93dc0267058d92151c0ebdd9d6facaa0ef863cf7aaa7bc5e5453c0e0d6f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\OptionalFeatures.exe
    "C:\Windows\SysWOW64\OptionalFeatures.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2228
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\OptionalFeatures.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716

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/1216-16-0x0000000005210000-0x0000000005396000-memory.dmp

Filesize
1.5MB

Download
memory/1216-23-0x0000000005210000-0x0000000005396000-memory.dmp

Filesize
1.5MB

Download
memory/2228-22-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/2228-21-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

Filesize
56KB

Download
memory/2228-18-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

Filesize
56KB

Download
memory/2228-19-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

Filesize
56KB

Download
memory/2524-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2524-10-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2524-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2524-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2524-11-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2524-13-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2524-14-0x00000000001E0000-0x00000000001F1000-memory.dmp

Filesize
68KB

Download
memory/2524-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-17-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/3028-4-0x0000000000340000-0x000000000037A000-memory.dmp

Filesize
232KB

Download
memory/3028-3-0x0000000004D00000-0x0000000004DBA000-memory.dmp

Filesize
744KB

Download
memory/3028-2-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-1-0x0000000001270000-0x0000000001344000-memory.dmp

Filesize
848KB

Download

Analysis

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