xloader | 1fc33c4cccbeac1f2a0a7a4145ab2248848d349ec89f0594a564aa6ef7704a89

General

Target

5ecf66273f0e0a3755cc65792c0379dc.exe
Size

1.1MB
MD5

5ecf66273f0e0a3755cc65792c0379dc
SHA1

9d454f731800e3be76b013b988e894c941a70a15
SHA256

1fc33c4cccbeac1f2a0a7a4145ab2248848d349ec89f0594a564aa6ef7704a89
SHA512

2348b9367f5c1cec068d82f055d6fe3c019ba15f024c78556ec0c6b105b5c972f96279b73334f75fa225d8e4fc80eb292f8cba35212cdd36342d85825748b31a

Score

10^/10

xloader e4nr loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

e4nr

C2

http://www.rizkhr.com/e4nr/

Decoy

mklab.ltd

doabodrum.com

hospitalitysupply.xyz

iamcrypto.pink

studiodesignguru.com

hackersfullmoonartconcepts.com

nutritioustooth.com

cuzanservice.com

het9a.online

datenigthmovies.com

realitytv.xyz

eaglesflair.com

unheavymetal.com

acustomcollective.art

fifthbelle.com

backupplan.xyz

moirechi.online

bot-hack.com

fithefly.com

aonoti.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
behavioral2/memory/3924-120-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/3924-129-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral2/memory/748-136-0x0000000002F60000-0x0000000002F89000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5ecf66273f0e0a3755cc65792c0379dc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fazytjsy = "C:\\Users\\Public\\ysjtyzaF.url"	5ecf66273f0e0a3755cc65792c0379dc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exewscript.exe

description	pid	process	target process
PID 3924 set thread context of 3056	3924	logagent.exe	Explorer.EXE
PID 748 set thread context of 3056	748	wscript.exe	Explorer.EXE

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

4432 reg.exe
4408 reg.exe
864 reg.exe

pid	process
4432	reg.exe
4408	reg.exe
864	reg.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

logagent.exewscript.exe

pid	process
3924	logagent.exe
3924	logagent.exe
3924	logagent.exe
3924	logagent.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe
748	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exewscript.exe

pid process

3924 logagent.exe
3924 logagent.exe
3924 logagent.exe
748 wscript.exe
748 wscript.exe

pid	process
3056	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

logagent.exewscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3924	logagent.exe
Token: SeDebugPrivilege	748	wscript.exe
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

5ecf66273f0e0a3755cc65792c0379dc.execmd.execmd.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 3924	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	logagent.exe
PID 3696 wrote to memory of 4208	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 3696 wrote to memory of 4208	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 3696 wrote to memory of 4208	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 4208 wrote to memory of 4156	4208	cmd.exe	cmd.exe
PID 4208 wrote to memory of 4156	4208	cmd.exe	cmd.exe
PID 4208 wrote to memory of 4156	4208	cmd.exe	cmd.exe
PID 4156 wrote to memory of 4432	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4432	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4432	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4408	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4408	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4408	4156	cmd.exe	reg.exe
PID 4156 wrote to memory of 4340	4156	cmd.exe	schtasks.exe
PID 4156 wrote to memory of 4340	4156	cmd.exe	schtasks.exe
PID 4156 wrote to memory of 4340	4156	cmd.exe	schtasks.exe
PID 3056 wrote to memory of 748	3056	Explorer.EXE	wscript.exe
PID 3056 wrote to memory of 748	3056	Explorer.EXE	wscript.exe
PID 3056 wrote to memory of 748	3056	Explorer.EXE	wscript.exe
PID 3696 wrote to memory of 3188	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 3696 wrote to memory of 3188	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 3696 wrote to memory of 3188	3696	5ecf66273f0e0a3755cc65792c0379dc.exe	cmd.exe
PID 3188 wrote to memory of 864	3188	cmd.exe	reg.exe
PID 3188 wrote to memory of 864	3188	cmd.exe	reg.exe
PID 3188 wrote to memory of 864	3188	cmd.exe	reg.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\5ecf66273f0e0a3755cc65792c0379dc.exe
"C:\Users\Admin\AppData\Local\Temp\5ecf66273f0e0a3755cc65792c0379dc.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3696

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3924

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4208

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
4⤵
- Suspicious use of WriteProcessMemory
PID:4156

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
5⤵
- Modifies registry key
PID:4432

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:4408

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
5⤵
PID:4340

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:864

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:772

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:748

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

Replay Monitor

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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/748-137-0x0000000005020000-0x0000000005340000-memory.dmp

Filesize
3.1MB

Download
memory/748-141-0x0000000004E70000-0x0000000004F00000-memory.dmp

Filesize
576KB

Download
memory/748-136-0x0000000002F60000-0x0000000002F89000-memory.dmp

Filesize
164KB

Download
memory/748-135-0x0000000000B40000-0x0000000000B67000-memory.dmp

Filesize
156KB

Download
memory/748-134-0x0000000000000000-mapping.dmp

Download
memory/864-140-0x0000000000000000-mapping.dmp

Download
memory/3056-133-0x00000000060A0000-0x0000000006200000-memory.dmp

Filesize
1.4MB

Download
memory/3056-142-0x00000000024B0000-0x00000000025A9000-memory.dmp

Filesize
996KB

Download
memory/3188-138-0x0000000000000000-mapping.dmp

Download
memory/3696-118-0x00000000005B0000-0x000000000065E000-memory.dmp

Filesize
696KB

Download
memory/3696-119-0x0000000002281000-0x0000000002295000-memory.dmp

Filesize
80KB

Download
memory/3924-131-0x0000000004830000-0x0000000004B50000-memory.dmp

Filesize
3.1MB

Download
memory/3924-132-0x0000000003330000-0x0000000003341000-memory.dmp

Filesize
68KB

Download
memory/3924-129-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/3924-128-0x0000000001210000-0x0000000001211000-memory.dmp

Filesize
4KB

Download
memory/3924-120-0x0000000000000000-mapping.dmp

Download
memory/4156-123-0x0000000000000000-mapping.dmp

Download
memory/4208-121-0x0000000000000000-mapping.dmp

Download
memory/4340-127-0x0000000000000000-mapping.dmp

Download
memory/4408-126-0x0000000000000000-mapping.dmp

Download
memory/4432-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads