xloader | d7dae1d41bdbc82c9162dc6d129670c05d5e80dc83783a48df90616099ca507d

General

Target

4b86af1f12bcc05b5586eec0f26e0ef9.exe
Size

876KB
MD5

4b86af1f12bcc05b5586eec0f26e0ef9
SHA1

750cec00b9f8b8298436e41bf8083c7842b95b05
SHA256

d7dae1d41bdbc82c9162dc6d129670c05d5e80dc83783a48df90616099ca507d
SHA512

325426b9274b1e8e30740123f738f137d4055aae1d00cd1af3b1dd704882f0d058dc767af4cbdfb6b419b5137c4349d31cdfacb879d1c2c1d99e61dc29959418

Score

10^/10

xloader nn40 loader rat

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1308-64-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1308-65-0x000000000041F640-mapping.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

4b86af1f12bcc05b5586eec0f26e0ef9.exe

description pid process target process

PID 1672 set thread context of 1308 1672 4b86af1f12bcc05b5586eec0f26e0ef9.exe 4b86af1f12bcc05b5586eec0f26e0ef9.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b86af1f12bcc05b5586eec0f26e0ef9.exe4b86af1f12bcc05b5586eec0f26e0ef9.exe

pid process

1672 4b86af1f12bcc05b5586eec0f26e0ef9.exe
1308 4b86af1f12bcc05b5586eec0f26e0ef9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4b86af1f12bcc05b5586eec0f26e0ef9.exe

description pid process

Token: SeDebugPrivilege 1672 4b86af1f12bcc05b5586eec0f26e0ef9.exe

description	pid	process	target process
PID 1672 set thread context of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe

pid	process
1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe
1308	4b86af1f12bcc05b5586eec0f26e0ef9.exe

description	pid	process
Token: SeDebugPrivilege	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4b86af1f12bcc05b5586eec0f26e0ef9.exe

description	pid	process	target process
PID 1672 wrote to memory of 1804	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1804	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1804	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1804	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe
PID 1672 wrote to memory of 1308	1672	4b86af1f12bcc05b5586eec0f26e0ef9.exe	4b86af1f12bcc05b5586eec0f26e0ef9.exe

C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe
"C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe
"C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe"
2⤵
PID:1804

C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe
"C:\Users\Admin\AppData\Local\Temp\4b86af1f12bcc05b5586eec0f26e0ef9.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1308

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1308-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1308-67-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/1308-65-0x000000000041F640-mapping.dmp

Download
memory/1308-64-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1308-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1672-57-0x0000000000830000-0x000000000083A000-memory.dmp

Filesize
40KB

Download
memory/1672-60-0x0000000002110000-0x0000000002142000-memory.dmp

Filesize
200KB

Download
memory/1672-59-0x0000000004D25000-0x0000000004D36000-memory.dmp

Filesize
68KB

Download
memory/1672-58-0x00000000051D0000-0x000000000523A000-memory.dmp

Filesize
424KB

Download
memory/1672-54-0x0000000000110000-0x00000000001F2000-memory.dmp

Filesize
904KB

Download
memory/1672-56-0x0000000000750000-0x0000000000766000-memory.dmp

Filesize
88KB

Download
memory/1672-66-0x0000000004D25000-0x0000000004D36000-memory.dmp

Filesize
68KB

Download
memory/1672-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download

Analysis

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