xloader | b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae

General

Target

b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe
Size

469KB
MD5

a2b70bbe25f6ae9afc4acce2e60c20fb
SHA1

af848ac71e768862d56bd35cb7989c3b71f6291e
SHA256

b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae
SHA512

281576903e1d4648b48deaa7e5737b200df34ba4163e6e6bff2ca506937f917153365ce5eaedcc4c35e71bc9f3cb7afb44d5116f0c52f14c426dc7aeb425e188
SSDEEP

12288:pbceVAeBQrV2jWRPs92JOyvCdLq6CDr6J/:FceVAjMSRNOyaBq6CDG5

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/1092-18-0x00000000005D0000-0x00000000005F9000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	1092	WerFault.exe	97

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	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe
2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97
PID 2164 wrote to memory of 1092	2164	b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe	97

C:\Users\Admin\AppData\Local\Temp\b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe
"C:\Users\Admin\AppData\Local\Temp\b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe
  "C:\Users\Admin\AppData\Local\Temp\b9d85aa9b26d320da839712aaf063bd2430cdd3a4960483bf6119d49a284c8ae.exe"
  2⤵
  PID:1092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 184
    3⤵
    - Program crash
    PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1092 -ip 1092
1⤵
PID:396

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/1092-16-0x0000000000410000-0x0000000000430000-memory.dmp

Filesize
128KB

Download
memory/1092-18-0x00000000005D0000-0x00000000005F9000-memory.dmp

Filesize
164KB

Download
memory/2164-8-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/2164-11-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/2164-4-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/2164-5-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/2164-6-0x0000000005030000-0x0000000005062000-memory.dmp

Filesize
200KB

Download
memory/2164-7-0x0000000005440000-0x0000000005456000-memory.dmp

Filesize
88KB

Download
memory/2164-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/2164-9-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/2164-10-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/2164-3-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/2164-12-0x0000000006A30000-0x0000000006A4A000-memory.dmp

Filesize
104KB

Download
memory/2164-13-0x0000000006C70000-0x0000000006C76000-memory.dmp

Filesize
24KB

Download
memory/2164-14-0x00000000075F0000-0x0000000007944000-memory.dmp

Filesize
3.3MB

Download
memory/2164-15-0x00000000079B0000-0x00000000079D2000-memory.dmp

Filesize
136KB

Download
memory/2164-2-0x0000000004F90000-0x000000000502C000-memory.dmp

Filesize
624KB

Download
memory/2164-1-0x0000000000560000-0x00000000005DC000-memory.dmp

Filesize
496KB

Download
memory/2164-20-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download

Analysis

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