MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a7167abf716c8462ee7032b94b01b4e2ae49ea5dd9610138112bcbdad991ef03. 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: 13
| SHA256 hash: | a7167abf716c8462ee7032b94b01b4e2ae49ea5dd9610138112bcbdad991ef03 |
|---|---|
| SHA3-384 hash: | d8a62d6faadab35e002f824283f0c0d5f74dcfa168df084018e737a674c435b47e2cee9d6ebbfeb02ccd7443ce39588e |
| SHA1 hash: | 8a91d308b73fd36441cf2cbd01d6a4415cd65cd6 |
| MD5 hash: | ad8da5cd9ca3626cadab03a8eb60b62c |
| humanhash: | mobile-arkansas-speaker-mobile |
| File name: | PYY74882220#.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 177'659 bytes |
| First seen: | 2021-07-23 01:47:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 65a7a81da28dbe6f76fdc6e4541bb4d7 (1 x Formbook) |
| ssdeep | 3072:KXQCiLCcCevK/s2D619iUsLKmBJ/U0zI9Scgj7jH/Txfxqhf/PAYCrzmgf9kMqit:8QCK9v5rDwN09vM3fF5qh3oJzmgfqMXt |
| Threatray | 6'834 similar samples on MalwareBazaar |
| TLSH | T125041227179C1A04D33AC2F81511A03689A4DABD98EFA4B3DB40961E199DDD238FFF07 |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PYY74882220#.exe
Verdict:
Malicious activity
Analysis date:
2021-07-23 01:50:23 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.VirRansom
Status:
Malicious
First seen:
2021-07-21 02:56:45 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'824 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat suricata
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
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.besttefl.com/uts2/
Unpacked files
SH256 hash:
3925b237ad8b83facf6802f5871502bfe5454383760e4362d1b0f44f353fd1b1
MD5 hash:
f6c86d560946e55bd2058712873bad13
SHA1 hash:
fcda42770b82426f9297d4920980e5bc44653518
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
a7167abf716c8462ee7032b94b01b4e2ae49ea5dd9610138112bcbdad991ef03
MD5 hash:
ad8da5cd9ca3626cadab03a8eb60b62c
SHA1 hash:
8a91d308b73fd36441cf2cbd01d6a4415cd65cd6
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
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
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.