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

Processes:

resource	yara_rule
behavioral1/memory/1992-26-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1992-29-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2080-32-0x00000000000A0000-0x00000000000C8000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

sogm.exeAddInProcess32.exe

pid process

2556 sogm.exe
1992 AddInProcess32.exe
Loads dropped DLL 2 IoCs

Processes:

74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exesogm.exe

pid process

2980 74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
2556 sogm.exe

pid	process
2556	sogm.exe
1992	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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\msufr.exe = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\sogm.exe"	reg.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

sogm.exeAddInProcess32.exewuapp.exe

description	pid	process	target process
PID 2556 set thread context of 1992	2556	sogm.exe	AddInProcess32.exe
PID 1992 set thread context of 1188	1992	AddInProcess32.exe	Explorer.EXE
PID 1992 set thread context of 1188	1992	AddInProcess32.exe	Explorer.EXE
PID 2080 set thread context of 1188	2080	wuapp.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 18 IoCs

Processes:

74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exesogm.exeAddInProcess32.exewuapp.exe

pid	process
2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
2556	sogm.exe
2556	sogm.exe
2556	sogm.exe
1992	AddInProcess32.exe
1992	AddInProcess32.exe
1992	AddInProcess32.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe
2080	wuapp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

AddInProcess32.exewuapp.exe

pid process

1992 AddInProcess32.exe
1992 AddInProcess32.exe
1992 AddInProcess32.exe
1992 AddInProcess32.exe
2080 wuapp.exe
2080 wuapp.exe

pid	process
1992	AddInProcess32.exe
1992	AddInProcess32.exe
1992	AddInProcess32.exe
1992	AddInProcess32.exe
2080	wuapp.exe
2080	wuapp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exesogm.exeAddInProcess32.exewuapp.exe

description	pid	process
Token: SeDebugPrivilege	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
Token: SeDebugPrivilege	2556	sogm.exe
Token: SeDebugPrivilege	1992	AddInProcess32.exe
Token: SeDebugPrivilege	2080	wuapp.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.execmd.exesogm.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 2980 wrote to memory of 2672	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	cmd.exe
PID 2980 wrote to memory of 2672	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	cmd.exe
PID 2980 wrote to memory of 2672	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	cmd.exe
PID 2980 wrote to memory of 2672	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	cmd.exe
PID 2672 wrote to memory of 2648	2672	cmd.exe	reg.exe
PID 2672 wrote to memory of 2648	2672	cmd.exe	reg.exe
PID 2672 wrote to memory of 2648	2672	cmd.exe	reg.exe
PID 2672 wrote to memory of 2648	2672	cmd.exe	reg.exe
PID 2980 wrote to memory of 2556	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	sogm.exe
PID 2980 wrote to memory of 2556	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	sogm.exe
PID 2980 wrote to memory of 2556	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	sogm.exe
PID 2980 wrote to memory of 2556	2980	74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe	sogm.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 2556 wrote to memory of 1992	2556	sogm.exe	AddInProcess32.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 1188 wrote to memory of 2080	1188	Explorer.EXE	wuapp.exe
PID 2080 wrote to memory of 1548	2080	wuapp.exe	cmd.exe
PID 2080 wrote to memory of 1548	2080	wuapp.exe	cmd.exe
PID 2080 wrote to memory of 1548	2080	wuapp.exe	cmd.exe
PID 2080 wrote to memory of 1548	2080	wuapp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74bd3fc0782c84d45e5659a378f9dc01_JaffaCakes118.exe"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

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:2672

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:2648

C:\Users\Admin\sogm.exe
"C:\Users\Admin\sogm.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556

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:1992

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
PID:1548

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Admin\sogm.exe
Filesize
408KB

MD5
74bd3fc0782c84d45e5659a378f9dc01

SHA1
e905675d92d1ee0d278796af59827b1231cc9d34

SHA256
bffc9c0c74952c439ca980be37a1f1e21c182b13c992f1a345a541413bfea91a

SHA512
0da4491c4558970de3f13a85769d73354b2b369031fd3bfee2c8d3a393c814a005f6f2a3e32edf4d5c563dfaf0b3fdb1c49006ec51c2bd673bb814517dba7e80

Download Submit
memory/1188-30-0x00000000077B0000-0x0000000007948000-memory.dmp

Filesize
1.6MB

Download
memory/1992-29-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1992-26-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1992-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1992-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1992-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2080-32-0x00000000000A0000-0x00000000000C8000-memory.dmp

Filesize
160KB

Download
memory/2080-31-0x0000000000060000-0x000000000006B000-memory.dmp

Filesize
44KB

Download
memory/2556-17-0x0000000001200000-0x000000000126C000-memory.dmp

Filesize
432KB

Download
memory/2980-18-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2980-10-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-7-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-6-0x00000000005B0000-0x00000000005BA000-memory.dmp

Filesize
40KB

Download
memory/2980-5-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-4-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2980-3-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-2-0x0000000000420000-0x000000000043C000-memory.dmp

Filesize
112KB

Download
memory/2980-1-0x0000000000F20000-0x0000000000F8C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads