xloader | 939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3

General

Target

939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe
Size

469KB
MD5

172b8f239331f2b4e531616307206edf
SHA1

5b69455b43ee91710b1ab0045cfb01f678b190a1
SHA256

939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3
SHA512

ee80153c9713a872a401d6282b97ab36c1ec38ca826d48e6fcfb84d9ec98f0e4bfc53dd74dba11a37361c8b0cbbfeb9f37ac8334df7d72a2f42678ee546afe65
SSDEEP

12288:ubceVAeBQrV2jWyPs92JOyvCdLq6CDe6G9:KceVAjMSWNOyaBq6CDH6

Score

10^/10

xloader e3rs discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e3rs

Decoy

onewebuy.net

polley-marketing.com

suddennnnnnnnnnnn40.xyz

pozowater.com

finaliz2rinfo.com

marblesenglish.com

ff-member-gasena.com

hqg168.com

sbeinvest.com

8038959.win

ccafgz.com

auburnradiancecavern.com

advertisingamanda.info

flowerdeliverydrones.com

xpzzz.com

elbauldepecas.com

qtwzdw.com

luvlock.info

8977dd.com

themakeupsquare.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1844-17-0x00000000005A0000-0x00000000005C9000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1364 set thread context of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	1844	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 1 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	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe
1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98
PID 1364 wrote to memory of 1844	1364	939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe	98

C:\Users\Admin\AppData\Local\Temp\939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe
"C:\Users\Admin\AppData\Local\Temp\939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe
  "C:\Users\Admin\AppData\Local\Temp\939813ca92f2bae5706d2a9124b6de305130a98e62b0d8c30efe276d5ba427a3.exe"
  2⤵
  PID:1844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 184
    3⤵
    - Program crash
    PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1844 -ip 1844
1⤵
PID:5092

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/1364-8-0x0000000000D60000-0x0000000000D6A000-memory.dmp

Filesize
40KB

Download
memory/1364-2-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

Filesize
624KB

Download
memory/1364-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1364-10-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/1364-4-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/1364-5-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1364-6-0x0000000005110000-0x0000000005142000-memory.dmp

Filesize
200KB

Download
memory/1364-7-0x0000000004CD0000-0x0000000004CE6000-memory.dmp

Filesize
88KB

Download
memory/1364-19-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1364-1-0x0000000000260000-0x00000000002DC000-memory.dmp

Filesize
496KB

Download
memory/1364-3-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/1364-11-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/1364-12-0x0000000006B60000-0x0000000006B7A000-memory.dmp

Filesize
104KB

Download
memory/1364-13-0x0000000005370000-0x0000000005376000-memory.dmp

Filesize
24KB

Download
memory/1364-14-0x00000000073F0000-0x0000000007744000-memory.dmp

Filesize
3.3MB

Download
memory/1364-15-0x00000000077E0000-0x0000000007802000-memory.dmp

Filesize
136KB

Download
memory/1364-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/1844-17-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download

Analysis

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