MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Formbook
Vendor detections: 8
| SHA256 hash: | 8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a |
|---|---|
| SHA3-384 hash: | 75d6c3e1f3df6a75c3d568db69118789500e65a27561a4e11b353bb61215c4ce9476dca0addc11ea6a1a0b17339ccb09 |
| SHA1 hash: | 4accc679c637a8ec24956db8990c4042cc402131 |
| MD5 hash: | 5479c43c28d4286d39041482778a9c82 |
| humanhash: | illinois-winter-wisconsin-west |
| File name: | 5479c43c_by_Libranalysis |
| Download: | download sample |
| Signature | Formbook |
| File size: | 777'368 bytes |
| First seen: | 2021-05-05 14:04:44 UTC |
| Last seen: | 2021-05-05 15:17:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6b1c05b0b684805cab835263a8e57edd (2 x Formbook, 1 x RemcosRAT) |
| ssdeep | 12288:qo5FgaAY6Lwp/38cRQAr/sCu76nHqRAHqb2wrLiU/Oy/5:qv5rwp/Mc+AoCW2quKNuUD/ |
| Threatray | 4'996 similar samples on MalwareBazaar |
| TLSH | 9FF4B032E3C14533D1AF16384C6BB6B56C26BF002DE9A846ABF86E4C4F3D69139191D7 |
| Reporter |  Libranalysis |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a UDP request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
xloader
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2021-05-05 14:05:12 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 4'986 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.austinenglishtutor.com/ipio/
Unpacked files
SH256 hash:
077775c944a99d1ecafcdc179223e863f9d410aa2a1d7b3095a1fbc9d41f4ecd
MD5 hash:
fa37119cd42f15391d6298521b314f2a
SHA1 hash:
ba34146615a752693b2530b2e7ba380cff9932c1
SH256 hash:
8f63001a412f92b1e28e17cf0ca84b5d4fa126a661cdae11c5221b7344c26999
MD5 hash:
77fbc4c0b74cf1b87fa3804f3c4c0ff1
SHA1 hash:
721f7b2c9db79c8a34b8ad43f103b22df632d2dc
SH256 hash:
8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a
MD5 hash:
5479c43c28d4286d39041482778a9c82
SHA1 hash:
4accc679c637a8ec24956db8990c4042cc402131
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | INDICATOR_KB_CERT_0be3f393d1ef0272aed0e2319c1b5dd0 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [F0002.002] Collection::Polling
5) [C0026.002] Data Micro-objective::XOR::Encode Data
7) [C0051] File System Micro-objective::Read File
8) [C0052] File System Micro-objective::Writes File
9) [C0007] Memory Micro-objective::Allocate Memory
10) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
11) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
12) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
13) [C0038] Process Micro-objective::Create Thread
14) [C0041] Process Micro-objective::Set Thread Local Storage Value
15) [C0018] Process Micro-objective::Terminate Process