xloader | 51861af4be587112d2827d71c2c2c3adddc9e7531aa4bf2850d205be3dc50113

General

Target

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
Size

566KB
MD5

fc5e7180f8df26c39560f18d7e4f17a3
SHA1

9d8adf3384edea39294d970f87834ddf55896463
SHA256

51861af4be587112d2827d71c2c2c3adddc9e7531aa4bf2850d205be3dc50113
SHA512

fded849636c297663144d7bf7835064de4c26aa78df666765c686d286508e92a60f085bfc0781b46d98836a728b6b0d1970bfcd7c1acaad13939b9c5c64fff77
SSDEEP

6144:XwnMNVAKl5Y6SZ70111uX5KNYGo0KyDsZuRc4+bLQg+83Me3ae+QzfE:XwCmKlpzuXCzXDUOr8LQg+83MEl+E

Score

10^/10

xloader rca2 loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

rca2

Decoy

bapzcosmetics.com

skillsgage.com

mingshiweiye.com

dcc-compliance.com

emprenbook.com

firn.site

haryanaricemil.com

fleetwoodfoods.com

jlnxhbkj.com

surajsanyal.com

jubakey.com

auroraunitedshippingco.com

propolis-surabaya.com

vasinvestments.com

breederschallenge.com

tafcoo.com

417motoringparts.com

livemis.com

drainassist.com

kristenguestart.com

Signatures

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

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2036-34-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2036-40-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2000-45-0x0000000000850000-0x0000000000878000-memory.dmp	xloader
behavioral2/memory/2000-48-0x0000000000850000-0x0000000000878000-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:

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

pkjn.exeAddInProcess32.exe

pid process

4804 pkjn.exe
2036 AddInProcess32.exe

pid	process
4804	pkjn.exe
2036	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nj = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\pkjn.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

pkjn.exeAddInProcess32.exemsdt.exe

description	pid	process	target process
PID 4804 set thread context of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 2036 set thread context of 3408	2036	AddInProcess32.exe	Explorer.EXE
PID 2000 set thread context of 3408	2000	msdt.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exepkjn.exeAddInProcess32.exemsdt.exe

pid	process
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
4804	pkjn.exe
4804	pkjn.exe
4804	pkjn.exe
2036	AddInProcess32.exe
2036	AddInProcess32.exe
2036	AddInProcess32.exe
2036	AddInProcess32.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe
2000	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

AddInProcess32.exemsdt.exe

pid process

2036 AddInProcess32.exe
2036 AddInProcess32.exe
2036 AddInProcess32.exe
2000 msdt.exe
2000 msdt.exe

pid	process
2036	AddInProcess32.exe
2036	AddInProcess32.exe
2036	AddInProcess32.exe
2000	msdt.exe
2000	msdt.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exepkjn.exeAddInProcess32.exeExplorer.EXEmsdt.exe

description	pid	process
Token: SeDebugPrivilege	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
Token: SeDebugPrivilege	4804	pkjn.exe
Token: SeDebugPrivilege	2036	AddInProcess32.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeDebugPrivilege	2000	msdt.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.execmd.exepkjn.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 4340 wrote to memory of 4060	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	cmd.exe
PID 4340 wrote to memory of 4060	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	cmd.exe
PID 4340 wrote to memory of 4060	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	cmd.exe
PID 4060 wrote to memory of 4816	4060	cmd.exe	reg.exe
PID 4060 wrote to memory of 4816	4060	cmd.exe	reg.exe
PID 4060 wrote to memory of 4816	4060	cmd.exe	reg.exe
PID 4340 wrote to memory of 4804	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	pkjn.exe
PID 4340 wrote to memory of 4804	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	pkjn.exe
PID 4340 wrote to memory of 4804	4340	fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe	pkjn.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 4804 wrote to memory of 2036	4804	pkjn.exe	AddInProcess32.exe
PID 3408 wrote to memory of 2000	3408	Explorer.EXE	msdt.exe
PID 3408 wrote to memory of 2000	3408	Explorer.EXE	msdt.exe
PID 3408 wrote to memory of 2000	3408	Explorer.EXE	msdt.exe
PID 2000 wrote to memory of 4212	2000	msdt.exe	cmd.exe
PID 2000 wrote to memory of 4212	2000	msdt.exe	cmd.exe
PID 2000 wrote to memory of 4212	2000	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408

C:\Users\Admin\AppData\Local\Temp\fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc5e7180f8df26c39560f18d7e4f17a3_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "nj" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "nj" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe"
4⤵
- Adds Run key to start application
PID:4816

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2036

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
PID:4212

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pkjn.exe
Filesize
566KB

MD5
fc5e7180f8df26c39560f18d7e4f17a3

SHA1
9d8adf3384edea39294d970f87834ddf55896463

SHA256
51861af4be587112d2827d71c2c2c3adddc9e7531aa4bf2850d205be3dc50113

SHA512
fded849636c297663144d7bf7835064de4c26aa78df666765c686d286508e92a60f085bfc0781b46d98836a728b6b0d1970bfcd7c1acaad13939b9c5c64fff77

Download Submit
memory/2000-44-0x0000000000560000-0x00000000005B7000-memory.dmp

Filesize
348KB

Download
memory/2000-43-0x0000000000560000-0x00000000005B7000-memory.dmp

Filesize
348KB

Download
memory/2000-50-0x00000000026A0000-0x000000000272F000-memory.dmp

Filesize
572KB

Download
memory/2000-48-0x0000000000850000-0x0000000000878000-memory.dmp

Filesize
160KB

Download
memory/2000-46-0x0000000002870000-0x0000000002BBA000-memory.dmp

Filesize
3.3MB

Download
memory/2000-45-0x0000000000850000-0x0000000000878000-memory.dmp

Filesize
160KB

Download
memory/2036-34-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2036-41-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/2036-40-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2036-38-0x00000000009D0000-0x0000000000D1A000-memory.dmp

Filesize
3.3MB

Download
memory/3408-52-0x0000000008A10000-0x0000000008ACF000-memory.dmp

Filesize
764KB

Download
memory/3408-42-0x0000000008880000-0x0000000008A0D000-memory.dmp

Filesize
1.6MB

Download
memory/3408-53-0x0000000008A10000-0x0000000008ACF000-memory.dmp

Filesize
764KB

Download
memory/3408-56-0x0000000008A10000-0x0000000008ACF000-memory.dmp

Filesize
764KB

Download
memory/4340-9-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4340-5-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4340-1-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4340-2-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/4340-3-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/4340-4-0x00000000052B0000-0x000000000534C000-memory.dmp

Filesize
624KB

Download
memory/4340-6-0x0000000006900000-0x0000000006938000-memory.dmp

Filesize
224KB

Download
memory/4340-7-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4340-8-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4340-0-0x0000000000740000-0x00000000007D4000-memory.dmp

Filesize
592KB

Download
memory/4340-24-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4340-10-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/4804-25-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4804-26-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4804-37-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4804-27-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4804-29-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4804-28-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4804-32-0x0000000006270000-0x0000000006276000-memory.dmp

Filesize
24KB

Download
memory/4804-31-0x0000000002590000-0x00000000025A4000-memory.dmp

Filesize
80KB

Download
memory/4804-30-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads