xloader | bdf2c781518f78b8b1bbd888a03b0a1ae32d598e2abe57e21dbcdefd5dacdaa0

General

Target

Swift Copy.exe
Size

973KB
MD5

52949c01157ca2caa06fb7f5004b4c34
SHA1

1662ff2d63f195b1f467c165df711f55985aa850
SHA256

bdf2c781518f78b8b1bbd888a03b0a1ae32d598e2abe57e21dbcdefd5dacdaa0
SHA512

73a78d4dfbb936b8b3524b45d3789cecd792a4a20c6c93215b82c5b8c99a3c092d94b3b8c685fc090208bee98c68606c1879eb854e018b6607d95ff53b901fc0

Score

10^/10

xloader bsz6 loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

bsz6

C2

http://www.hosotructiep.online/bsz6/

Decoy

rn-interior.com

padimo40.com

original-photos.com

gigacode.club

sacarwrap.com

daphne1.com

studyabroadway.com

caddonline.com

medicareadvplans.net

keyuhair.com

ethenea-paris.com

hungryhollow.farm

hirdavatgezegeni.com

biotransmitter.com

vrikshamfinance.com

holzhafen-bodensee.com

houseofbegums.com

dream-mart.tech

csitexas.biz

kitchenalamode.xyz

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1668-128-0x0000000072480000-0x00000000724AA000-memory.dmp	xloader
behavioral2/memory/4544-133-0x0000000000570000-0x0000000000599000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Swift Copy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xkujkg = "C:\\Users\\Public\\gkjukX.url"	Swift Copy.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

secinit.execontrol.exe

description	pid	process	target process
PID 1668 set thread context of 2888	1668	secinit.exe	Explorer.EXE
PID 4544 set thread context of 2888	4544	control.exe	Explorer.EXE

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

3308 reg.exe
3144 reg.exe
1660 reg.exe

pid	process
3308	reg.exe
3144	reg.exe
1660	reg.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

secinit.execontrol.exe

pid	process
1668	secinit.exe
1668	secinit.exe
1668	secinit.exe
1668	secinit.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe
4544	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2888 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

secinit.execontrol.exe

pid process

1668 secinit.exe
1668 secinit.exe
1668 secinit.exe
4544 control.exe
4544 control.exe

pid	process
2888	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

secinit.execontrol.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1668	secinit.exe
Token: SeDebugPrivilege	4544	control.exe
Token: SeShutdownPrivilege	2888	Explorer.EXE
Token: SeCreatePagefilePrivilege	2888	Explorer.EXE
Token: SeShutdownPrivilege	2888	Explorer.EXE
Token: SeCreatePagefilePrivilege	2888	Explorer.EXE
Token: SeShutdownPrivilege	2888	Explorer.EXE
Token: SeCreatePagefilePrivilege	2888	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

Swift Copy.execmd.execmd.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 1668	756	Swift Copy.exe	secinit.exe
PID 756 wrote to memory of 4532	756	Swift Copy.exe	cmd.exe
PID 756 wrote to memory of 4532	756	Swift Copy.exe	cmd.exe
PID 756 wrote to memory of 4532	756	Swift Copy.exe	cmd.exe
PID 4532 wrote to memory of 4500	4532	cmd.exe	cmd.exe
PID 4532 wrote to memory of 4500	4532	cmd.exe	cmd.exe
PID 4532 wrote to memory of 4500	4532	cmd.exe	cmd.exe
PID 4500 wrote to memory of 3308	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 3308	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 3308	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 3144	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 3144	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 3144	4500	cmd.exe	reg.exe
PID 4500 wrote to memory of 4656	4500	cmd.exe	schtasks.exe
PID 4500 wrote to memory of 4656	4500	cmd.exe	schtasks.exe
PID 4500 wrote to memory of 4656	4500	cmd.exe	schtasks.exe
PID 2888 wrote to memory of 4544	2888	Explorer.EXE	control.exe
PID 2888 wrote to memory of 4544	2888	Explorer.EXE	control.exe
PID 2888 wrote to memory of 4544	2888	Explorer.EXE	control.exe
PID 756 wrote to memory of 1452	756	Swift Copy.exe	cmd.exe
PID 756 wrote to memory of 1452	756	Swift Copy.exe	cmd.exe
PID 756 wrote to memory of 1452	756	Swift Copy.exe	cmd.exe
PID 1452 wrote to memory of 1660	1452	cmd.exe	reg.exe
PID 1452 wrote to memory of 1660	1452	cmd.exe	reg.exe
PID 1452 wrote to memory of 1660	1452	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:2888

C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\secinit.exe
C:\Windows\System32\secinit.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1668

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
4⤵
- Suspicious use of WriteProcessMemory
PID:4500

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
5⤵
- Modifies registry key
PID:3308

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:3144

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
5⤵
PID:4656

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1660

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4544

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/756-115-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/756-116-0x0000000002341000-0x0000000002355000-memory.dmp

Filesize
80KB

Download
memory/1452-136-0x0000000000000000-mapping.dmp

Download
memory/1660-138-0x0000000000000000-mapping.dmp

Download
memory/1668-127-0x0000000005250000-0x0000000005570000-memory.dmp

Filesize
3.1MB

Download
memory/1668-126-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/1668-125-0x0000000003260000-0x0000000003261000-memory.dmp

Filesize
4KB

Download
memory/1668-128-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/1668-129-0x00000000035E0000-0x00000000035F1000-memory.dmp

Filesize
68KB

Download
memory/1668-117-0x0000000000000000-mapping.dmp

Download
memory/2888-139-0x0000000001020000-0x00000000010C0000-memory.dmp

Filesize
640KB

Download
memory/2888-130-0x00000000067F0000-0x000000000697B000-memory.dmp

Filesize
1.5MB

Download
memory/3144-123-0x0000000000000000-mapping.dmp

Download
memory/3308-122-0x0000000000000000-mapping.dmp

Download
memory/4500-120-0x0000000000000000-mapping.dmp

Download
memory/4532-118-0x0000000000000000-mapping.dmp

Download
memory/4544-131-0x0000000000000000-mapping.dmp

Download
memory/4544-135-0x0000000002BF0000-0x0000000002C80000-memory.dmp

Filesize
576KB

Download
memory/4544-134-0x0000000004870000-0x0000000004B90000-memory.dmp

Filesize
3.1MB

Download
memory/4544-132-0x0000000000B40000-0x0000000000B60000-memory.dmp

Filesize
128KB

Download
memory/4544-133-0x0000000000570000-0x0000000000599000-memory.dmp

Filesize
164KB

Download
memory/4656-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads