xloader | bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a

General

Target

74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
Size

408KB
MD5

74bd3fc0782c84d45e5659a378f9dc01
SHA1

e905675d92d1ee0d278796af59827b1231cc9d34
SHA256

bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a
SHA512

0da4491c4558970de3f13a85769d73354b2b369031fd3bfee2c8d3a393c814a005f6f2a3e32edf4d5c563dfaf0b3fdb1c49006ec51c2bd673bb814517dba7e80
SSDEEP

6144:LHAgbCa8sGQTpS1KzolRLNYXkw7W1ZA4s9m8HTVZ:LHX8kT8KznXkBskUTVZ

Score

10^/10

xloader u4xn loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

u4xn

Decoy

yanghl.com

decorvea.online

xn--fjq92bw28b1tloj5a39d42h.com

yumler.info

laketravisautosales.net

zjnrgx.info

harrimanpm.com

dell-yh.com

eze.fitness

pritpritzoom.com

hackgarage.com

mydomterry.net

castrotom.com

coffeecosplay.com

wsfg-hk.com

crystalbeachstudio.com

bestofreadbook.win

sutasz.info

yunfengyue.com

h11011.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1196-48-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1196-56-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2560-61-0x0000000000370000-0x0000000000398000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4132	sogm.exe
1196	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msufr.exe = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\sogm.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4132 set thread context of 1196	4132	sogm.exe	104
PID 1196 set thread context of 3300	1196	AddInProcess32.exe	55
PID 2560 set thread context of 3300	2560	msiexec.exe	55

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
4132	sogm.exe
4132	sogm.exe
4132	sogm.exe
1196	AddInProcess32.exe
1196	AddInProcess32.exe
1196	AddInProcess32.exe
1196	AddInProcess32.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe
2560	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1196	AddInProcess32.exe
1196	AddInProcess32.exe
1196	AddInProcess32.exe
2560	msiexec.exe
2560	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
Token: SeDebugPrivilege	4132	sogm.exe
Token: SeDebugPrivilege	1196	AddInProcess32.exe
Token: SeDebugPrivilege	2560	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 3768	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	99
PID 4728 wrote to memory of 3768	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	99
PID 4728 wrote to memory of 3768	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	99
PID 3768 wrote to memory of 4348	3768	cmd.exe	101
PID 3768 wrote to memory of 4348	3768	cmd.exe	101
PID 3768 wrote to memory of 4348	3768	cmd.exe	101
PID 4728 wrote to memory of 4132	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	103
PID 4728 wrote to memory of 4132	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	103
PID 4728 wrote to memory of 4132	4728	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	103
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 4132 wrote to memory of 1196	4132	sogm.exe	104
PID 3300 wrote to memory of 2560	3300	Explorer.EXE	105
PID 3300 wrote to memory of 2560	3300	Explorer.EXE	105
PID 3300 wrote to memory of 2560	3300	Explorer.EXE	105
PID 2560 wrote to memory of 3452	2560	msiexec.exe	106
PID 2560 wrote to memory of 3452	2560	msiexec.exe	106
PID 2560 wrote to memory of 3452	2560	msiexec.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msufr.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogm.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3768
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msufr.exe /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogm.exe"
      4⤵
      Adds Run key to start application
      PID:4348
- - C:\Users\Admin\sogm.exe
    "C:\Users\Admin\sogm.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4132
  - - 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:1196
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    PID:3452

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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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\sogm.exe

Filesize
408KB

MD5
74bd3fc0782c84d45e5659a378f9dc01

SHA1
e905675d92d1ee0d278796af59827b1231cc9d34

SHA256
bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a

SHA512
0da4491c4558970de3f13a85769d73354b2b369031fd3bfee2c8d3a393c814a005f6f2a3e32edf4d5c563dfaf0b3fdb1c49006ec51c2bd673bb814517dba7e80

Download Submit
memory/1196-56-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1196-53-0x0000000001530000-0x000000000187A000-memory.dmp

Filesize
3.3MB

Download
memory/1196-48-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2560-61-0x0000000000370000-0x0000000000398000-memory.dmp

Filesize
160KB

Download
memory/2560-59-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/2560-57-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/2560-55-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download
memory/4132-41-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4132-45-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4132-52-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4132-50-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4132-43-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4132-46-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-7-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/4728-44-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-8-0x00000000056D0000-0x0000000005762000-memory.dmp

Filesize
584KB

Download
memory/4728-12-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/4728-9-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-6-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/4728-5-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-4-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/4728-3-0x0000000004CB0000-0x0000000004CCC000-memory.dmp

Filesize
112KB

Download
memory/4728-2-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4728-1-0x0000000000390000-0x00000000003FC000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads