xloader | d7dae1d41bdbc82c9162dc6d129670c05d5e80dc83783a48df90616099ca507d

General

Target

tmp.exe
Size

876KB
MD5

4b86af1f12bcc05b5586eec0f26e0ef9
SHA1

750cec00b9f8b8298436e41bf8083c7842b95b05
SHA256

d7dae1d41bdbc82c9162dc6d129670c05d5e80dc83783a48df90616099ca507d
SHA512

325426b9274b1e8e30740123f738f137d4055aae1d00cd1af3b1dd704882f0d058dc767af4cbdfb6b419b5137c4349d31cdfacb879d1c2c1d99e61dc29959418

Score

10^/10

xloader nn40 loader rat spyware stealer

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nn40

Decoy

LYAg0yANOGEAGeaFOrA/

MQWuERZplP+VZy/uszI=

CF0oDN0JimIaGy/uszI=

ltJnyC+ReohYaiTvj1qbEA==

B9OkgdctVKBAFjSUaw==

sbDVwSZVVqVB11/deow8GA==

v1gHDe0pzno=

i+/0n2vHUfGPR98k77tukZ90MQ==

SUtCnbS96Qm21g==

8X9qzyt1dpAo31jXrXfKb49fBPY=

5KlPxqHzSstuFjSUaw==

0r/Kesv/zuanroxvNQW0Gm8=

FFgS7kfPYAqpdhhgRgnBJHY=

LgusAHrkrIoWr0FWIe2o/04UXPw=

vBq9Gvxa9wbKbS/uszI=

Z+q6HAZNNeqwwQ==

wbS4fMb06SjU5Kbseow8GA==

1mZEuZvJ/m0L9bof56PkkZ90MQ==

JCJIM74lHk/o+tiFOrA/

d14FrM8rGEgIzVkT67+3XaEh

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1300-138-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/1300-144-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4964-146-0x0000000000D00000-0x0000000000D2C000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

53 4964 rundll32.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation tmp.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

flow	pid	process
53	4964	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.exerundll32.exe

description	pid	process	target process
PID 1828 set thread context of 1300	1828	tmp.exe	tmp.exe
PID 1300 set thread context of 2864	1300	tmp.exe	Explorer.EXE
PID 4964 set thread context of 2864	4964	rundll32.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

tmp.exetmp.exerundll32.exe

pid	process
1828	tmp.exe
1828	tmp.exe
1828	tmp.exe
1828	tmp.exe
1828	tmp.exe
1828	tmp.exe
1300	tmp.exe
1300	tmp.exe
1300	tmp.exe
1300	tmp.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2864 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

tmp.exerundll32.exe

pid process

1300 tmp.exe
1300 tmp.exe
1300 tmp.exe
4964 rundll32.exe
4964 rundll32.exe
4964 rundll32.exe
4964 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exetmp.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1828 tmp.exe
Token: SeDebugPrivilege 1300 tmp.exe
Token: SeDebugPrivilege 4964 rundll32.exe

pid	process
2864	Explorer.EXE

pid	process
1300	tmp.exe
1300	tmp.exe
1300	tmp.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe
4964	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1828	tmp.exe
Token: SeDebugPrivilege	1300	tmp.exe
Token: SeDebugPrivilege	4964	rundll32.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

tmp.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1828 wrote to memory of 3412	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 3412	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 3412	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 2436	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 2436	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 2436	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1492	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1492	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1492	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 1828 wrote to memory of 1300	1828	tmp.exe	tmp.exe
PID 2864 wrote to memory of 4964	2864	Explorer.EXE	rundll32.exe
PID 2864 wrote to memory of 4964	2864	Explorer.EXE	rundll32.exe
PID 2864 wrote to memory of 4964	2864	Explorer.EXE	rundll32.exe
PID 4964 wrote to memory of 3968	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 3968	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 3968	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 5036	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 5036	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 5036	4964	rundll32.exe	cmd.exe
PID 4964 wrote to memory of 2460	4964	rundll32.exe	Firefox.exe
PID 4964 wrote to memory of 2460	4964	rundll32.exe	Firefox.exe
PID 4964 wrote to memory of 2460	4964	rundll32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2864

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:3412

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:2436

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:1492

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1300

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

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:3968

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:5036

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2460

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/1300-137-0x0000000000000000-mapping.dmp

Download
memory/1300-141-0x00000000014C0000-0x00000000014D1000-memory.dmp

Filesize
68KB

Download
memory/1300-140-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download
memory/1300-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1300-144-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1492-136-0x0000000000000000-mapping.dmp

Download
memory/1828-133-0x00000000082B0000-0x000000000834C000-memory.dmp

Filesize
624KB

Download
memory/1828-132-0x0000000005C80000-0x0000000005D12000-memory.dmp

Filesize
584KB

Download
memory/1828-131-0x0000000006230000-0x00000000067D4000-memory.dmp

Filesize
5.6MB

Download
memory/1828-130-0x0000000000FC0000-0x00000000010A2000-memory.dmp

Filesize
904KB

Download
memory/2436-135-0x0000000000000000-mapping.dmp

Download
memory/2864-149-0x00000000081C0000-0x00000000082B3000-memory.dmp

Filesize
972KB

Download
memory/2864-150-0x00000000081C0000-0x00000000082B3000-memory.dmp

Filesize
972KB

Download
memory/2864-142-0x00000000085E0000-0x0000000008728000-memory.dmp

Filesize
1.3MB

Download
memory/3412-134-0x0000000000000000-mapping.dmp

Download
memory/3968-151-0x0000000000000000-mapping.dmp

Download
memory/4964-146-0x0000000000D00000-0x0000000000D2C000-memory.dmp

Filesize
176KB

Download
memory/4964-145-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

Download
memory/4964-147-0x0000000002C80000-0x0000000002FCA000-memory.dmp

Filesize
3.3MB

Download
memory/4964-148-0x0000000002AF0000-0x0000000002B80000-memory.dmp

Filesize
576KB

Download
memory/4964-143-0x0000000000000000-mapping.dmp

Download
memory/5036-153-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads