xloader | 1ad6352350f0b871f3757d1994aa42fee726cdca78834f743f09e8a15bfc3dd1

General

Target

aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe
Size

740KB
MD5

aa71f2483d9c2e808cd3e3e56c2b463f
SHA1

cd41370a62b7cab949c04fdcd6578438c410e7c2
SHA256

1ad6352350f0b871f3757d1994aa42fee726cdca78834f743f09e8a15bfc3dd1
SHA512

72d93357b75b7451719c4580fadd00a8885813b8b236fa1e3c4ea2692d516f1ba98f7b320256bf12fd7c5dc02240fe850552694f3aac36cd3facc9bbbb54d2f2
SSDEEP

12288:sqnBhp+gczyhNSvRbBQHR4qz91hI0zSaNsvz+yuWDVId21NaI+E8tyvXck4xeLbf:sqnkCeLWgLX2UxEYTMcDz+BJmdcHlsIE

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
behavioral1/memory/2064-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2064-16-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2408-21-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2952 set thread context of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2064 set thread context of 1236	2064	RegSvcs.exe	21
PID 2408 set thread context of 1236	2408	colorcpl.exe	21

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	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe
2408	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2064	RegSvcs.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
2408	colorcpl.exe
2408	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe
Token: SeDebugPrivilege	2064	RegSvcs.exe
Token: SeDebugPrivilege	2408	colorcpl.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 2952 wrote to memory of 2064	2952	aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe	30
PID 1236 wrote to memory of 2408	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2408	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2408	1236	Explorer.EXE	31
PID 1236 wrote to memory of 2408	1236	Explorer.EXE	31
PID 2408 wrote to memory of 2492	2408	colorcpl.exe	32
PID 2408 wrote to memory of 2492	2408	colorcpl.exe	32
PID 2408 wrote to memory of 2492	2408	colorcpl.exe	32
PID 2408 wrote to memory of 2492	2408	colorcpl.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\aa71f2483d9c2e808cd3e3e56c2b463f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\aa71f2483d9c2e808cd3e3e56c2b463f_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:2952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2064
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2408
- - 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:2492

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/1236-18-0x00000000071C0000-0x0000000007309000-memory.dmp

Filesize
1.3MB

Download
memory/1236-22-0x00000000071C0000-0x0000000007309000-memory.dmp

Filesize
1.3MB

Download
memory/2064-16-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2064-14-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/2064-17-0x0000000000090000-0x00000000000A0000-memory.dmp

Filesize
64KB

Download
memory/2064-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2064-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2064-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2064-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2408-21-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2408-20-0x0000000000920000-0x0000000000938000-memory.dmp

Filesize
96KB

Download
memory/2408-19-0x0000000000920000-0x0000000000938000-memory.dmp

Filesize
96KB

Download
memory/2952-7-0x00000000048B0000-0x0000000004922000-memory.dmp

Filesize
456KB

Download
memory/2952-13-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-3-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/2952-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2952-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-6-0x0000000008020000-0x00000000080E2000-memory.dmp

Filesize
776KB

Download
memory/2952-5-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-4-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2952-1-0x0000000000220000-0x00000000002E0000-memory.dmp

Filesize
768KB

Download

Analysis

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