xloader | 4685c8e4c8836d97c08ac60084f1ad2a12e0abed103c9a7048e3c36b40e8ed6d

General

Target

fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe
Size

939KB
MD5

fe2fc04068910b2e437f2dc9cd200ede
SHA1

25f9e68d137d9b3b708eaa0e46b8d897b5f725bf
SHA256

4685c8e4c8836d97c08ac60084f1ad2a12e0abed103c9a7048e3c36b40e8ed6d
SHA512

5dba5c5dcafcf87d9f4e59a2e1c9889ccbda8c537a1560249955ab5c70d9a1a13909d066987b755c49b0ce2af431a45c0f2dfd5c73638acd6b1c77b6d3647057
SSDEEP

24576:zkIW8ijyZU2YGaev1e0C40ui4ShmljIbnQrKboM:zkDZjAaet44S2IbnB0M

Score

10^/10

xloader uecu discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

uecu

Decoy

ishtarhotel.com

woodstrends.icu

jalenowens.com

manno.expert

ssg1asia.com

telepathylaw.com

quickoprintnv.com

abrosnm3.com

lumberjackcatering.com

beachujamaica.com

thomasjeffersonbyrd.com

starryfinds.com

shelavish2.com

royalglamempirellc.com

deixandomeuemprego.com

alexgoestech.xyz

opticamn.com

fermanchevybrandon.com

milbodegas.info

adunarsrl.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2600-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2600-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/4592-24-0x0000000000330000-0x0000000000358000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2600 set thread context of 3524	2600	RegSvcs.exe	56
PID 4592 set thread context of 3524	4592	svchost.exe	56

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	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe
2600	RegSvcs.exe
2600	RegSvcs.exe
2600	RegSvcs.exe
2600	RegSvcs.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe
4592	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2600	RegSvcs.exe
2600	RegSvcs.exe
2600	RegSvcs.exe
4592	svchost.exe
4592	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe
Token: SeDebugPrivilege	2600	RegSvcs.exe
Token: SeDebugPrivilege	4592	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 2808 wrote to memory of 2600	2808	fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe	99
PID 3524 wrote to memory of 4592	3524	Explorer.EXE	100
PID 3524 wrote to memory of 4592	3524	Explorer.EXE	100
PID 3524 wrote to memory of 4592	3524	Explorer.EXE	100
PID 4592 wrote to memory of 2276	4592	svchost.exe	101
PID 4592 wrote to memory of 2276	4592	svchost.exe	101
PID 4592 wrote to memory of 2276	4592	svchost.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fe2fc04068910b2e437f2dc9cd200ede_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2600
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:4592
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2276

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/2600-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2600-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2600-19-0x0000000001350000-0x0000000001360000-memory.dmp

Filesize
64KB

Download
memory/2600-16-0x0000000001830000-0x0000000001B7A000-memory.dmp

Filesize
3.3MB

Download
memory/2808-12-0x00000000096B0000-0x00000000096DE000-memory.dmp

Filesize
184KB

Download
memory/2808-3-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/2808-6-0x0000000005B30000-0x0000000005B86000-memory.dmp

Filesize
344KB

Download
memory/2808-5-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/2808-8-0x0000000005BF0000-0x0000000005C06000-memory.dmp

Filesize
88KB

Download
memory/2808-9-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2808-10-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-11-0x00000000070D0000-0x000000000716E000-memory.dmp

Filesize
632KB

Download
memory/2808-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2808-4-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/2808-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-7-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-2-0x00000000057E0000-0x000000000587C000-memory.dmp

Filesize
624KB

Download
memory/2808-1-0x0000000000EA0000-0x0000000000F90000-memory.dmp

Filesize
960KB

Download
memory/3524-20-0x0000000002BC0000-0x0000000002CFB000-memory.dmp

Filesize
1.2MB

Download
memory/3524-25-0x0000000002BC0000-0x0000000002CFB000-memory.dmp

Filesize
1.2MB

Download
memory/3524-29-0x0000000008450000-0x0000000008513000-memory.dmp

Filesize
780KB

Download
memory/3524-30-0x0000000008450000-0x0000000008513000-memory.dmp

Filesize
780KB

Download
memory/4592-21-0x0000000000720000-0x000000000072E000-memory.dmp

Filesize
56KB

Download
memory/4592-23-0x0000000000720000-0x000000000072E000-memory.dmp

Filesize
56KB

Download
memory/4592-24-0x0000000000330000-0x0000000000358000-memory.dmp

Filesize
160KB

Download

Analysis

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