xloader | 9628397359b089bca7436b3618a5358d06f73ec0a99f356dcea30a99df793538

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
15/06/2022, 20:03

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General

Target
6ed1c4844a27a65362d2230d7318009a.exe
Size 636KB
Sample220615-ysnsdsegd8
SHA256 9628397359b089bca7436b3618a5358d06f73ec0a99f356dcea30a99df793538
MD5 6ed1c4844a27a65362d2230d7318009a
SHA1 fc12323a10b30a5b0e1c1a934bca865cd1ed95f2
SHA512 ffb52234bbd20e068f0f06c2b771640242fd82c327a29c980d7158ca4501621f832e506d8c30857815495497478cc23618b489e6eb88b140a2f9a8d1ce11fcfe
MD5 SHA1 SHA512

Score

10^/10

xloader nn40 loader rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

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
OtJqJTaZyD/bgy/uszI=
MMzqpo3pVjbaigine/p4W6dqZPJKkg==
LRS4MpnBeVxC/bqjf0kMBGop69QC
7FTxgWaTLAKbm3B0QgW0Gm8=
hjbYktAyum2JNK6N
WRtxyNlENeqwwQ==
MTOKH+0pzno=
8LkJ8EsWWHIK
zs758oMTaffAxI0bn2uqFw==
ariAXDqMsKpwF5U=
UEZOAmXFnpRh+rqD
T5e5xzlTNeqwwQ==
tp424+UDomI=
Y7VXD+I8CKVuDZQ=
zg6qeGbHO1F+FjSUaw==
JPypEB2CuDAz+bXSrjo=
8ah8cf5odcPNS+Sa
k+CGNhyOMKVuDZQ=
oVviitkD8B7ZmijeyIDFOI9nZPJKkg==
TtztqHfKKqQWuVRvT9fSSpJJmAFYLjw=
p6pvJHfZmJgx6XwYuL56b798MA==
WWmegczy4x2O+cIC27RtkZ90MQ==
/QrLiDyde3RJWRwRmWYo
PtShJAZG1WU6LP3osjo=
ZTrOf2PMho1kdm/JtSU=
A1ssC+pS8dvNS+Sa
K4g38tVda8DNS+Sa
Dz7fj13DnKh1iV8++X2H8Fbeq1jBGh4D
0AjPwNQtnWUEpDBAJbq9GG8p69QC
ALhKrIu7/5BTRf1OQAW0Gm8=
a5Zp3GrGWhzmrBYRmWYo
dwzcQzpnYYAi8G7eypfSS6d3oWmQnQ==
VR3AHfcDyG79m6bm0YnEOEBS/fQ=
pyZFKiWXNaVuDZQ=
dzf0zzBlYaqLFjSUaw==
D6TIj16hJ8JhJMom8rlxkZ90MQ==
8qkyvpp56Qm21g==
4qNmKHymVg3Bx4M=
MOiH6DRYhutyFjSUaw==
JqTDnm+zOQLV+83Ucm9GDw==
YQilIAQqUM5vFjSUaw==
84U/nbvTQwzcyQ==
mC34kB9LdeJuFjSUaw==
DKLKrbwuuWyJNK6N
thisismyhomevalue.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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2100-137-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2100-143-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/876-145-0x0000000000160000-0x000000000018C000-memory.dmp	xloader
behavioral2/memory/876-149-0x0000000000160000-0x000000000018C000-memory.dmp	xloader

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2100 set thread context of 2712	2100	RegSvcs.exe	53
PID 876 set thread context of 2712	876	ipconfig.exe	53

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
876	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2168	6ed1c4844a27a65362d2230d7318009a.exe
2168	6ed1c4844a27a65362d2230d7318009a.exe
2168	6ed1c4844a27a65362d2230d7318009a.exe
2168	6ed1c4844a27a65362d2230d7318009a.exe
2100	RegSvcs.exe
2100	RegSvcs.exe
2100	RegSvcs.exe
2100	RegSvcs.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2100	RegSvcs.exe
2100	RegSvcs.exe
2100	RegSvcs.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe
876	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	6ed1c4844a27a65362d2230d7318009a.exe
Token: SeDebugPrivilege	2100	RegSvcs.exe
Token: SeDebugPrivilege	876	ipconfig.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 1316	2168	6ed1c4844a27a65362d2230d7318009a.exe	92
PID 2168 wrote to memory of 1316	2168	6ed1c4844a27a65362d2230d7318009a.exe	92
PID 2168 wrote to memory of 1316	2168	6ed1c4844a27a65362d2230d7318009a.exe	92
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2168 wrote to memory of 2100	2168	6ed1c4844a27a65362d2230d7318009a.exe	93
PID 2712 wrote to memory of 876	2712	Explorer.EXE	94
PID 2712 wrote to memory of 876	2712	Explorer.EXE	94
PID 2712 wrote to memory of 876	2712	Explorer.EXE	94
PID 876 wrote to memory of 5104	876	ipconfig.exe	95
PID 876 wrote to memory of 5104	876	ipconfig.exe	95
PID 876 wrote to memory of 5104	876	ipconfig.exe	95
PID 876 wrote to memory of 4728	876	ipconfig.exe	97
PID 876 wrote to memory of 4728	876	ipconfig.exe	97
PID 876 wrote to memory of 4728	876	ipconfig.exe	97
PID 876 wrote to memory of 4660	876	ipconfig.exe	99
PID 876 wrote to memory of 4660	876	ipconfig.exe	99
PID 876 wrote to memory of 4660	876	ipconfig.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\6ed1c4844a27a65362d2230d7318009a.exe
  "C:\Users\Admin\AppData\Local\Temp\6ed1c4844a27a65362d2230d7318009a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1316
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2100
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:876
- - 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:5104
- - 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:4728
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 40KB
SHA256 b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf
MD5 b608d407fc15adea97c26936bc6f03f6
SHA1 953e7420801c76393902c0d6bb56148947e41571
SHA512 cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4
SSDEEP 48:2j3WBA+IIYICVEq8MX0D0HSFlNUK6lGNxGt7KLk8s8LKvUf9KVyJ7hU:u2FCn8MZyFlulGNxGt7KLyeymw
MD5 SHA1 SHA512 SSDEEP

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DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 48KB
SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
MD5 349e6eb110e34a08924d92f6b334801d
SHA1 bdfb289daff51890cc71697b6322aa4b35ec9169
SHA512 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574
SSDEEP 96:uRMKLyeymwxCn8MZyFlSynlbiXyKwt8hG:uRkxGOXnlbibhG
MD5 SHA1 SHA512 SSDEEP

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memory/876-149-0x0000000000160000-0x000000000018C000-memory.dmp

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memory/876-147-0x0000000000950000-0x00000000009E0000-memory.dmp

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memory/876-146-0x0000000000BC0000-0x0000000000F0A000-memory.dmp

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memory/876-145-0x0000000000160000-0x000000000018C000-memory.dmp

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memory/876-144-0x0000000000650000-0x000000000065B000-memory.dmp

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memory/2100-137-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/2100-140-0x0000000001280000-0x0000000001291000-memory.dmp

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memory/2100-143-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/2100-139-0x0000000000DC0000-0x000000000110A000-memory.dmp

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memory/2168-134-0x0000000009020000-0x00000000090BC000-memory.dmp

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memory/2168-130-0x0000000000CE0000-0x0000000000D86000-memory.dmp

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memory/2168-133-0x0000000005760000-0x000000000576A000-memory.dmp

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memory/2168-132-0x00000000057E0000-0x0000000005872000-memory.dmp

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memory/2168-131-0x0000000005CF0000-0x0000000006294000-memory.dmp

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memory/2712-141-0x0000000008BA0000-0x0000000008CD4000-memory.dmp

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memory/2712-148-0x0000000008CE0000-0x0000000008DEB000-memory.dmp

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memory/2712-150-0x0000000008CE0000-0x0000000008DEB000-memory.dmp

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