xloader | 173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e

General

Target

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
Size

671KB
MD5

089175069d5c095f078b7f8a3b28a22d
SHA1

a563615dfe562e7a11c2b7f21dcfcd412594eeee
SHA256

173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e
SHA512

987900b187a7757e186238fcc1a6b72c26a8b6619818ea34d91df86c8f1a1f79e31323d42f054f98cb705ec9c6b4720c5159f5746739388fa971942db79b5694

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.evrbrite.com/o86d/

Decoy

marielivet.com

shadowlovely.com

novfarm.com

genialnetero.com

nj-yanhua.com

thaihuay88.com

iizponja.com

stark-stg.net

nueforma.com

fincheckxu.com

joycasino-2020.club

9thwrld.com

komofood.com

weekendcost.com

marczeimet.com

santequebec.info

arpinaindustriesllc.com

soyakmuzayede.com

trivesse.online

shonanwakukengyou.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3088-122-0x000000000041CFB0-mapping.dmp	xloader
behavioral2/memory/3088-121-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

description	pid	process	target process
PID 2256 set thread context of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3616 schtasks.exe

pid	process
3616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exea563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

pid	process
2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
3088	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
3088	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

description pid process

Token: SeDebugPrivilege 2256 a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

pid process

2256 a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
2256 a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

description	pid	process
Token: SeDebugPrivilege	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

description	pid	process	target process
PID 2256 wrote to memory of 3616	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	schtasks.exe
PID 2256 wrote to memory of 3616	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	schtasks.exe
PID 2256 wrote to memory of 3616	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	schtasks.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
PID 2256 wrote to memory of 3088	2256	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe	a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe

C:\Users\Admin\AppData\Local\Temp\a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
"C:\Users\Admin\AppData\Local\Temp\a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OfCxSfBf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB01.tmp"
2⤵
- Creates scheduled task(s)
PID:3616

C:\Users\Admin\AppData\Local\Temp\a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe
"C:\Users\Admin\AppData\Local\Temp\a563615dfe562e7a11c2b7f21dcfcd412594eeee.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3088

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCB01.tmp
MD5
5a77d158f763ef0453a986a6b142bdb3

SHA1
6530e8d2c8a7f2d8781550d35d0d479cde4bf232

SHA256
2cd1ac3b5754e183b15ce8a5adf187c791c421b511bd754a147f1fb48a074a65

SHA512
b2829c5711d98b514a0c6174f1d53a85185521d18914cc3265bbc9dd80745c3f3147dabf9788a9a22f1b8b217da3669e705117ed82e3767bc6bad7b7e46389c9

Download Submit
memory/2256-114-0x0000000002EE0000-0x0000000002EE1000-memory.dmp

Filesize
4KB

Download
memory/2256-116-0x0000000002EE2000-0x0000000002EE3000-memory.dmp

Filesize
4KB

Download
memory/2256-115-0x0000000002EE1000-0x0000000002EE2000-memory.dmp

Filesize
4KB

Download
memory/2256-117-0x0000000002EE3000-0x0000000002EE4000-memory.dmp

Filesize
4KB

Download
memory/2256-118-0x0000000002EE4000-0x0000000002EE5000-memory.dmp

Filesize
4KB

Download
memory/3088-122-0x000000000041CFB0-mapping.dmp

Download
memory/3088-121-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3088-124-0x0000000000F50000-0x0000000001270000-memory.dmp

Filesize
3.1MB

Download
memory/3616-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads