xloader | f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421

General

Target

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
Size

627KB
MD5

8f797bd931586231c0a6352ce1f6d7dd
SHA1

eaedddceabf7ea565b953e86d3416ea6cfa1066d
SHA256

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421
SHA512

67699bf4584d3362d86daa0f80aafd5d0426acea0f037e48b4684316dc6873166ff9b054c0bace832fe865c1f7a5bc34694e6b7284dbdf2226e7fb979e4b5ba2
SSDEEP

12288:gTBxGPLZfGTRm1TlxBWitODCR9j5l4wZbnQdQLbU8Xg4T9guZl3G:gTDGFf6ylWiIGj5l4mbQd18Zg9

Score

10^/10

xloader s86j discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

s86j

Decoy

getlumichargeserver.com

act-vitaalcoach.store

craftgeekz.com

monetflowerfarm.com

morakotislandrealty.com

onlineastrologeruk.com

evvpsml.com

hnbtc.net

auxiliacapitalpartnersllc.com

rdwoodworksstore.com

shulwinfitness.com

arterialhealthgrids.com

cryptork.biz

solomini-tech.com

porttownsendapartments.com

poprumor.com

assetsauctioneer.com

electronics2anyone.com

upskillpme.online

247fooddelivery.com

Signatures

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

Xloader payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2724-10-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

description	pid	Process	procid_target
PID 3820 set thread context of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
1916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exef3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

pid	Process
3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
2724	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
2724	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

description	pid	Process
Token: SeDebugPrivilege	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe

description	pid	Process	procid_target
PID 3820 wrote to memory of 1916	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	91
PID 3820 wrote to memory of 1916	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	91
PID 3820 wrote to memory of 1916	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	91
PID 3820 wrote to memory of 1708	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	93
PID 3820 wrote to memory of 1708	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	93
PID 3820 wrote to memory of 1708	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	93
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94
PID 3820 wrote to memory of 2724	3820	f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe	94

C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
"C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JwJqVgYNPZvRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E38.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
  "C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe"
  2⤵
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe
  "C:\Users\Admin\AppData\Local\Temp\f3fad3097ec1947d00b36ef871933e2f3f2816927036a41c44c051db63c4e421.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2724-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2724-13-0x00000000018E0000-0x0000000001C2A000-memory.dmp

Filesize
3.3MB

Download
memory/3820-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/3820-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3820-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3820-3-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/3820-4-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3820-12-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads