MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1d4caa0b975ecf0bcb2cc854e5704a7a47d97aac648e0b3634143354c98aacb9. 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: 11
| SHA256 hash: | 1d4caa0b975ecf0bcb2cc854e5704a7a47d97aac648e0b3634143354c98aacb9 |
|---|---|
| SHA3-384 hash: | 0bdceb43c881ea8b1f180ac78416bbfdafaf2e1b0959553f2b2bfa72ac48ca823e89d319573a22247961878fe6c3607e |
| SHA1 hash: | 7fd221f0c404e1cbb9011a2d167e2ef400ec2dad |
| MD5 hash: | e1831d928f7e2cb17ee9e602bf664db4 |
| humanhash: | yellow-thirteen-november-bakerloo |
| File name: | Ydomibnfzakfagtujeyntncjklfpfrinlj_Signed_.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 858'616 bytes |
| First seen: | 2021-05-19 07:25:55 UTC |
| Last seen: | 2021-05-19 13:11:00 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1c2a1c0119190292afef585116b3740d (2 x Formbook, 1 x BitRAT, 1 x RedLineStealer) |
| ssdeep | 12288:XJmblZvxSrp+Dtf98n4OGjSWY8vq1UUGkFcXXa6nIF:XJY4rp+f8zGOHx16BXXa6 |
| Threatray | 5'225 similar samples on MalwareBazaar |
| TLSH | B105E4D6A1900722F11E3B78D80A5614ABE16D3C2D145B61EAB43B4B4B3F6C12DE71BF |
| Reporter |  GovCERT_CH |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ydomibnfzakfagtujeyntncjklfpfrinlj_Signed_.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 07:51:16 UTC
Tags:
installer trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS 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:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Exploit.BypassUac
Status:
Malicious
First seen:
2021-05-19 01:33:49 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'215 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.clinics.life/qku9/
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: | MALWARE_Win_DLAgent07 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects delf downloader agent |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
2) [F0002.002] Collection::Polling
4) [C0026.002] Data Micro-objective::XOR::Encode Data
6) [C0049] File System Micro-objective::Get File Attributes
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