xloader | 0f829c2b93c955c1387a08ff4b7c220f04170ab7e224e7907e2b7e76aa5ef99e

General

Target

0f829c2b.exe
Size

395KB
MD5

262b2ede4b3d2200a6a872d56b01b977
SHA1

0e05ff778e66af0955704da33db40bc72748b8c9
SHA256

0f829c2b93c955c1387a08ff4b7c220f04170ab7e224e7907e2b7e76aa5ef99e
SHA512

f6fbfee872623b38d956fe90b054585f9b62b42b553ec18180b0f65ee62cd190ad04fd75227088a944991b44948ea051c2cfc5fdbe5e280eb9d6f3d2731629ca

Score

10^/10

xloader ujaz loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ujaz

C2

http://www.zurnwater.com/ujaz/

Decoy

thehastyeinstitute.com

xisougou.com

binbin-ads.com

cellosalepage.com

tentarteconessen.com

easy-cleaner.com

product-review.club

techdigital.global

bitchesheartpickles.com

thekissclubltd.com

kryptoxchange.net

eighthundredthousand.info

companyintelapp.com

newswit.xyz

davidlissoni.com

lapassionara.com

energistichealth.com

av1tv.com

caofuqi.com

beatniq-scasset.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/3888-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3888-125-0x000000000041D400-mapping.dmp	xloader
behavioral2/memory/2964-132-0x0000000000990000-0x00000000009B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

0f829c2b.exe0f829c2b.exechkdsk.exe

description	pid	process	target process
PID 1324 set thread context of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 3888 set thread context of 2792	3888	0f829c2b.exe	Explorer.EXE
PID 2964 set thread context of 2792	2964	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

0f829c2b.exe0f829c2b.exechkdsk.exe

pid	process
1324	0f829c2b.exe
1324	0f829c2b.exe
3888	0f829c2b.exe
3888	0f829c2b.exe
3888	0f829c2b.exe
3888	0f829c2b.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe
2964	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2792 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

0f829c2b.exechkdsk.exe

pid process

3888 0f829c2b.exe
3888 0f829c2b.exe
3888 0f829c2b.exe
2964 chkdsk.exe
2964 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0f829c2b.exe0f829c2b.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1324 0f829c2b.exe
Token: SeDebugPrivilege 3888 0f829c2b.exe
Token: SeDebugPrivilege 2964 chkdsk.exe

pid	process
2792	Explorer.EXE

pid	process
3888	0f829c2b.exe
3888	0f829c2b.exe
3888	0f829c2b.exe
2964	chkdsk.exe
2964	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1324	0f829c2b.exe
Token: SeDebugPrivilege	3888	0f829c2b.exe
Token: SeDebugPrivilege	2964	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0f829c2b.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1324 wrote to memory of 584	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 584	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 584	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 1324 wrote to memory of 3888	1324	0f829c2b.exe	0f829c2b.exe
PID 2792 wrote to memory of 2964	2792	Explorer.EXE	chkdsk.exe
PID 2792 wrote to memory of 2964	2792	Explorer.EXE	chkdsk.exe
PID 2792 wrote to memory of 2964	2792	Explorer.EXE	chkdsk.exe
PID 2964 wrote to memory of 2812	2964	chkdsk.exe	cmd.exe
PID 2964 wrote to memory of 2812	2964	chkdsk.exe	cmd.exe
PID 2964 wrote to memory of 2812	2964	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2792

C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe
"C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe
"C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe"
3⤵
PID:584

C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe
"C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3888

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\0f829c2b.exe"
3⤵
PID:2812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1324-117-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/1324-118-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/1324-119-0x00000000052F0000-0x00000000057EE000-memory.dmp

Filesize
5.0MB

Download
memory/1324-120-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/1324-121-0x0000000007740000-0x0000000007741000-memory.dmp

Filesize
4KB

Download
memory/1324-122-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/1324-123-0x0000000007AE0000-0x0000000007B2C000-memory.dmp

Filesize
304KB

Download
memory/1324-115-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/2792-129-0x0000000002D70000-0x0000000002E4B000-memory.dmp

Filesize
876KB

Download
memory/2792-136-0x0000000005720000-0x0000000005842000-memory.dmp

Filesize
1.1MB

Download
memory/2812-133-0x0000000000000000-mapping.dmp

Download
memory/2964-132-0x0000000000990000-0x00000000009B9000-memory.dmp

Filesize
164KB

Download
memory/2964-130-0x0000000000000000-mapping.dmp

Download
memory/2964-131-0x0000000001180000-0x000000000118A000-memory.dmp

Filesize
40KB

Download
memory/2964-134-0x00000000054D0000-0x00000000057F0000-memory.dmp

Filesize
3.1MB

Download
memory/2964-135-0x0000000005220000-0x00000000052B0000-memory.dmp

Filesize
576KB

Download
memory/3888-127-0x00000000011F0000-0x0000000001510000-memory.dmp

Filesize
3.1MB

Download
memory/3888-128-0x00000000010F0000-0x0000000001101000-memory.dmp

Filesize
68KB

Download
memory/3888-125-0x000000000041D400-mapping.dmp

Download
memory/3888-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads