xloader | d78c836b04c545ba988741e695408016f8ec243f4eab09893b5b1b790bd62067

General

Target

bank swift scan pdf....exe
Size

323KB
MD5

6308a0ee4b50deb37f6f6a6205d5b2d6
SHA1

0a0f239995f1be45263bc2c96440cfd3dd751cc9
SHA256

f3296e298b22250cb64e01c5e737c924410ea4489867b61758a5e0906f3d1161
SHA512

96dc213ec553ac61eeda230e74515443f9a7d708f73a6bfa4bf02b33ef7519a41f584ceb6c1db903dd8e0237444f19d33c0e513f785fbfeb5c0a822c2f3d78cc

Score

10^/10

xloader di4c loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

di4c

C2

http://www.dropadsmedia.com/di4c/

Decoy

oscd.store

simplyminiatures.com

famouslovebackbaba.com

turkesteronesupplement.com

most-attractive.com

le-thermoplongeur.com

joydeb.xyz

incomepanther.com

infoterkiinii.xyz

indigocard.website

plasthecnolgy.com

canmamap.com

aviationtrainingworldusa.com

successoffplan.com

desert-breeze.com

nilavarna.com

stanthonyswelfare.com

shezefy.com

shcq08.xyz

spencerpauley.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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3668-117-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3828-123-0x0000000000630000-0x0000000000659000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

updateszz.exeupdateszz.exe

pid process

4508 updateszz.exe
4476 updateszz.exe
Loads dropped DLL 2 IoCs

Processes:

bank swift scan pdf....exeupdateszz.exe

pid process

3320 bank swift scan pdf....exe
4508 updateszz.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4508	updateszz.exe
4476	updateszz.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ZNYL565PZJ = "C:\\Program Files (x86)\\C-zudu\\updateszz.exe"	colorcpl.exe
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	colorcpl.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

bank swift scan pdf....exebank swift scan pdf....execolorcpl.exeupdateszz.exe

description	pid	process	target process
PID 3320 set thread context of 3668	3320	bank swift scan pdf....exe	bank swift scan pdf....exe
PID 3668 set thread context of 2452	3668	bank swift scan pdf....exe	Explorer.EXE
PID 3828 set thread context of 2452	3828	colorcpl.exe	Explorer.EXE
PID 4508 set thread context of 4476	4508	updateszz.exe	updateszz.exe

Drops file in Program Files directory 4 IoCs

Processes:

colorcpl.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\C-zudu\updateszz.exe	colorcpl.exe
File opened for modification	C:\Program Files (x86)\C-zudu	Explorer.EXE
File created	C:\Program Files (x86)\C-zudu\updateszz.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\C-zudu\updateszz.exe	Explorer.EXE

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

System Information Discovery
T1082

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_1
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_2
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_1
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_2
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_1
C:\Program Files (x86)\C-zudu\updateszz.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2481030822-2828258191-1606198294-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

bank swift scan pdf....execolorcpl.exe

pid	process
3668	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2452 Explorer.EXE

pid	process
2452	Explorer.EXE

Suspicious behavior: MapViewOfSection 9 IoCs

Processes:

bank swift scan pdf....exebank swift scan pdf....execolorcpl.exeupdateszz.exe

pid	process
3320	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3668	bank swift scan pdf....exe
3828	colorcpl.exe
3828	colorcpl.exe
3828	colorcpl.exe
4508	updateszz.exe
3828	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

bank swift scan pdf....execolorcpl.exeExplorer.EXEupdateszz.exe

description	pid	process
Token: SeDebugPrivilege	3668	bank swift scan pdf....exe
Token: SeDebugPrivilege	3828	colorcpl.exe
Token: SeShutdownPrivilege	2452	Explorer.EXE
Token: SeCreatePagefilePrivilege	2452	Explorer.EXE
Token: SeDebugPrivilege	4476	updateszz.exe
Token: SeShutdownPrivilege	2452	Explorer.EXE
Token: SeCreatePagefilePrivilege	2452	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

bank swift scan pdf....exeExplorer.EXEcolorcpl.exeupdateszz.exe

description	pid	process	target process
PID 3320 wrote to memory of 3668	3320	bank swift scan pdf....exe	bank swift scan pdf....exe
PID 3320 wrote to memory of 3668	3320	bank swift scan pdf....exe	bank swift scan pdf....exe
PID 3320 wrote to memory of 3668	3320	bank swift scan pdf....exe	bank swift scan pdf....exe
PID 3320 wrote to memory of 3668	3320	bank swift scan pdf....exe	bank swift scan pdf....exe
PID 2452 wrote to memory of 3828	2452	Explorer.EXE	colorcpl.exe
PID 2452 wrote to memory of 3828	2452	Explorer.EXE	colorcpl.exe
PID 2452 wrote to memory of 3828	2452	Explorer.EXE	colorcpl.exe
PID 3828 wrote to memory of 3756	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 3756	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 3756	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 4448	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 4448	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 4448	3828	colorcpl.exe	cmd.exe
PID 3828 wrote to memory of 4500	3828	colorcpl.exe	Firefox.exe
PID 3828 wrote to memory of 4500	3828	colorcpl.exe	Firefox.exe
PID 2452 wrote to memory of 4508	2452	Explorer.EXE	updateszz.exe
PID 2452 wrote to memory of 4508	2452	Explorer.EXE	updateszz.exe
PID 2452 wrote to memory of 4508	2452	Explorer.EXE	updateszz.exe
PID 4508 wrote to memory of 4476	4508	updateszz.exe	updateszz.exe
PID 4508 wrote to memory of 4476	4508	updateszz.exe	updateszz.exe
PID 4508 wrote to memory of 4476	4508	updateszz.exe	updateszz.exe
PID 4508 wrote to memory of 4476	4508	updateszz.exe	updateszz.exe
PID 3828 wrote to memory of 4500	3828	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452

C:\Users\Admin\AppData\Local\Temp\bank swift scan pdf....exe
"C:\Users\Admin\AppData\Local\Temp\bank swift scan pdf....exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3320

C:\Users\Admin\AppData\Local\Temp\bank swift scan pdf....exe
"C:\Users\Admin\AppData\Local\Temp\bank swift scan pdf....exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3668

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\bank swift scan pdf....exe"
3⤵
PID:3756

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4448

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4500

C:\Program Files (x86)\C-zudu\updateszz.exe
"C:\Program Files (x86)\C-zudu\updateszz.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4508

C:\Program Files (x86)\C-zudu\updateszz.exe
"C:\Program Files (x86)\C-zudu\updateszz.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4476

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

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\C-zudu\updateszz.exe
MD5
6308a0ee4b50deb37f6f6a6205d5b2d6

SHA1
0a0f239995f1be45263bc2c96440cfd3dd751cc9

SHA256
f3296e298b22250cb64e01c5e737c924410ea4489867b61758a5e0906f3d1161

SHA512
96dc213ec553ac61eeda230e74515443f9a7d708f73a6bfa4bf02b33ef7519a41f584ceb6c1db903dd8e0237444f19d33c0e513f785fbfeb5c0a822c2f3d78cc

Download Submit
C:\Program Files (x86)\C-zudu\updateszz.exe
MD5
6308a0ee4b50deb37f6f6a6205d5b2d6

SHA1
0a0f239995f1be45263bc2c96440cfd3dd751cc9

SHA256
f3296e298b22250cb64e01c5e737c924410ea4489867b61758a5e0906f3d1161

SHA512
96dc213ec553ac61eeda230e74515443f9a7d708f73a6bfa4bf02b33ef7519a41f584ceb6c1db903dd8e0237444f19d33c0e513f785fbfeb5c0a822c2f3d78cc

Download Submit
C:\Program Files (x86)\C-zudu\updateszz.exe
MD5
6308a0ee4b50deb37f6f6a6205d5b2d6

SHA1
0a0f239995f1be45263bc2c96440cfd3dd751cc9

SHA256
f3296e298b22250cb64e01c5e737c924410ea4489867b61758a5e0906f3d1161

SHA512
96dc213ec553ac61eeda230e74515443f9a7d708f73a6bfa4bf02b33ef7519a41f584ceb6c1db903dd8e0237444f19d33c0e513f785fbfeb5c0a822c2f3d78cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\guh0enx88idzpfg
MD5
18ca13a9fd7e368e0d52cc8818837849

SHA1
82d71db26417db8d604fc8e627d900869cfd90a3

SHA256
51202e8200d2369f29ff0078a6ff489b1aac07f7855387afcd7aca322808a377

SHA512
e93be6a911f730dc43b2796c9ea85149e259a2f771c92d4504f3893d33d34c25e371ee985f4af765520ae69ae2aa556d9fe3040371ea2b1ed9c8317ef1cae7a9

Download Submit
\Users\Admin\AppData\Local\Temp\nsrB554.tmp\fplpyn.dll
MD5
c86ab83feeeb519425ab355b5dfac558

SHA1
a73a950c1d7e9e93c61d5e1ae9f728191a73aa70

SHA256
3f72aec204fa837e016d24ea563309d3814ead06fa8a4c2d651066f46cb85b37

SHA512
ef6c81291b1b5a9e27dc0485b1e3c926efabd56141d67ec9873ee68628e4dfa536ddc30798a6bc9dfa6e1a66637ab1c6cac4ac9a84c134b721774a45994c89a5

Download Submit
\Users\Admin\AppData\Local\Temp\nst83FC.tmp\fplpyn.dll
MD5
c86ab83feeeb519425ab355b5dfac558

SHA1
a73a950c1d7e9e93c61d5e1ae9f728191a73aa70

SHA256
3f72aec204fa837e016d24ea563309d3814ead06fa8a4c2d651066f46cb85b37

SHA512
ef6c81291b1b5a9e27dc0485b1e3c926efabd56141d67ec9873ee68628e4dfa536ddc30798a6bc9dfa6e1a66637ab1c6cac4ac9a84c134b721774a45994c89a5

Download Submit
memory/2452-127-0x0000000005180000-0x0000000005280000-memory.dmp

Filesize
1024KB

Download
memory/2452-120-0x0000000002A00000-0x0000000002AF8000-memory.dmp

Filesize
992KB

Download
memory/3668-116-0x000000000041D4B0-mapping.dmp

Download
memory/3668-118-0x0000000000AC0000-0x0000000000DE0000-memory.dmp

Filesize
3.1MB

Download
memory/3668-117-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3668-119-0x0000000000E00000-0x0000000000E11000-memory.dmp

Filesize
68KB

Download
memory/3756-124-0x0000000000000000-mapping.dmp

Download
memory/3828-123-0x0000000000630000-0x0000000000659000-memory.dmp

Filesize
164KB

Download
memory/3828-121-0x0000000000000000-mapping.dmp

Download
memory/3828-122-0x0000000000B90000-0x0000000000BA9000-memory.dmp

Filesize
100KB

Download
memory/3828-126-0x00000000043E0000-0x0000000004470000-memory.dmp

Filesize
576KB

Download
memory/3828-125-0x0000000004690000-0x00000000049B0000-memory.dmp

Filesize
3.1MB

Download
memory/4448-128-0x0000000000000000-mapping.dmp

Download
memory/4476-135-0x000000000041D4B0-mapping.dmp

Download
memory/4476-137-0x0000000000AF0000-0x0000000000E10000-memory.dmp

Filesize
3.1MB

Download
memory/4500-138-0x0000000000000000-mapping.dmp

Download
memory/4500-140-0x00000186BAB20000-0x00000186BAC7A000-memory.dmp

Filesize
1.4MB

Download
memory/4500-139-0x00007FF645160000-0x00007FF6451F3000-memory.dmp

Filesize
588KB

Download
memory/4508-130-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads