xloader | c66278e7c7a5ccb279d55d3dc1b3ef42188e47f276f09d5a8f686a5ba2ab3dd7

General

Target

b38d95879bc287171a491de879e84e0b.exe
Size

847KB
MD5

b38d95879bc287171a491de879e84e0b
SHA1

f9bb64fd8d71bc1b689d382e136a00387ad7d9cf
SHA256

c66278e7c7a5ccb279d55d3dc1b3ef42188e47f276f09d5a8f686a5ba2ab3dd7
SHA512

53968a3ac35efcf8e6f0b55c20175cf5fd726b8bbdd2c567d05bbb52f9702d3c50abd99cac5cc3d2d3a40a09f6a6de35228ea1763f249577954e369a877fd18b

Score

10^/10

xloader o4um loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

o4um

C2

http://www.dependablelawnsnow.com/o4um/

Decoy

kagami-belt.com

k7e.xyz

slowcontentmarketing.com

nativeamericannurse.com

stadtquartier.xyz

vietlinkmart.com

numisme.xyz

lypp-sh.com

walkerwaughray.com

homerightsolutions.com

vpdd.top

857741.com

informednewsreader.com

misachoavien.com

aslanrefinedhomes.com

bjhaitaoshop.com

lb-fo.com

shadedfaetattoos.com

tallulahapp.com

amhonlinemarketing.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1820-60-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1820-71-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/540-77-0x00000000000B0000-0x00000000000D9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b38d95879bc287171a491de879e84e0b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wdhmgl = "C:\\Users\\Public\\lgmhdW.url"	b38d95879bc287171a491de879e84e0b.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exewscript.exe

description	pid	process	target process
PID 1820 set thread context of 1404	1820	mobsync.exe	Explorer.EXE
PID 540 set thread context of 1404	540	wscript.exe	Explorer.EXE

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1100 reg.exe
2044 reg.exe
1704 reg.exe

pid	process
1100	reg.exe
2044	reg.exe
1704	reg.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

mobsync.exewscript.exe

pid	process
1820	mobsync.exe
1820	mobsync.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe
540	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exewscript.exe

pid process

1820 mobsync.exe
1820 mobsync.exe
1820 mobsync.exe
540 wscript.exe
540 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mobsync.exewscript.exe

description pid process

Token: SeDebugPrivilege 1820 mobsync.exe
Token: SeDebugPrivilege 540 wscript.exe

pid	process
1404	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1820	mobsync.exe
Token: SeDebugPrivilege	540	wscript.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

b38d95879bc287171a491de879e84e0b.execmd.execmd.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 1820	1108	b38d95879bc287171a491de879e84e0b.exe	mobsync.exe
PID 1108 wrote to memory of 968	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 968	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 968	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 968	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 968 wrote to memory of 1580	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1580	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1580	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1580	968	cmd.exe	cmd.exe
PID 1580 wrote to memory of 1100	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 1100	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 1100	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 1100	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 2044	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 2044	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 2044	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 2044	1580	cmd.exe	reg.exe
PID 1580 wrote to memory of 964	1580	cmd.exe	schtasks.exe
PID 1580 wrote to memory of 964	1580	cmd.exe	schtasks.exe
PID 1580 wrote to memory of 964	1580	cmd.exe	schtasks.exe
PID 1580 wrote to memory of 964	1580	cmd.exe	schtasks.exe
PID 1404 wrote to memory of 540	1404	Explorer.EXE	wscript.exe
PID 1404 wrote to memory of 540	1404	Explorer.EXE	wscript.exe
PID 1404 wrote to memory of 540	1404	Explorer.EXE	wscript.exe
PID 1404 wrote to memory of 540	1404	Explorer.EXE	wscript.exe
PID 1108 wrote to memory of 536	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 536	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 536	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 1108 wrote to memory of 536	1108	b38d95879bc287171a491de879e84e0b.exe	cmd.exe
PID 536 wrote to memory of 1704	536	cmd.exe	reg.exe
PID 536 wrote to memory of 1704	536	cmd.exe	reg.exe
PID 536 wrote to memory of 1704	536	cmd.exe	reg.exe
PID 536 wrote to memory of 1704	536	cmd.exe	reg.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\b38d95879bc287171a491de879e84e0b.exe
"C:\Users\Admin\AppData\Local\Temp\b38d95879bc287171a491de879e84e0b.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Trast.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
4⤵
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
5⤵
- Modifies registry key
PID:1100

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
5⤵
- Modifies registry key
PID:2044

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
5⤵
PID:964

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\nest.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1704

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1976

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1972

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/536-80-0x0000000000000000-mapping.dmp

Download
memory/540-79-0x0000000000880000-0x0000000000910000-memory.dmp

Filesize
576KB

Download
memory/540-78-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/540-76-0x0000000000910000-0x0000000000936000-memory.dmp

Filesize
152KB

Download
memory/540-77-0x00000000000B0000-0x00000000000D9000-memory.dmp

Filesize
164KB

Download
memory/540-75-0x0000000000000000-mapping.dmp

Download
memory/964-68-0x0000000000000000-mapping.dmp

Download
memory/968-61-0x0000000000000000-mapping.dmp

Download
memory/1100-66-0x0000000000000000-mapping.dmp

Download
memory/1108-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1108-55-0x0000000000241000-0x0000000000255000-memory.dmp

Filesize
80KB

Download
memory/1108-56-0x0000000076081000-0x0000000076083000-memory.dmp

Filesize
8KB

Download
memory/1404-83-0x0000000006330000-0x00000000063CB000-memory.dmp

Filesize
620KB

Download
memory/1404-74-0x0000000007080000-0x00000000071CE000-memory.dmp

Filesize
1.3MB

Download
memory/1580-64-0x0000000000000000-mapping.dmp

Download
memory/1704-82-0x0000000000000000-mapping.dmp

Download
memory/1820-70-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1820-60-0x0000000000000000-mapping.dmp

Download
memory/1820-58-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/1820-57-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1820-73-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/1820-71-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1820-69-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/2044-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads