MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 98257df783e840e80743c3482da475c0a8b0505b1eef573c4f7c968a9e53cdfb. 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: | 98257df783e840e80743c3482da475c0a8b0505b1eef573c4f7c968a9e53cdfb |
|---|---|
| SHA3-384 hash: | 2d34f6059962ef32376e55dad8447a006a6c5ce600677eedb73696e39db909c0de94a9b601c9eb9c718f28840988b8d9 |
| SHA1 hash: | d06a09bfcdb7b64b56224378bedc95f248365a2a |
| MD5 hash: | 8f48ae7e6330a607031c4d7ac6ebef2d |
| humanhash: | white-whiskey-michigan-steak |
| File name: | 8f48ae7e6330a607031c4d7ac6ebef2d |
| Download: | download sample |
| Signature | Formbook |
| File size: | 354'304 bytes |
| First seen: | 2021-10-05 14:12:07 UTC |
| Last seen: | 2021-10-05 16:04:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:HnyMQ9bXFZfl8StCt3ekRcNnFnHBNXlTEGtxh:HyMCft23ekyzhNNVt |
| Threatray | 9'901 similar samples on MalwareBazaar |
| TLSH | T18074E0923BA487D4FAED9B780479500053F6E7599736CB0F7D89C09E183BE86835C6A3 |
| File icon (PE): |  |
| dhash icon | 489669d8d8699648 (53 x AgentTesla, 24 x SnakeKeylogger, 16 x AveMariaRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8f48ae7e6330a607031c4d7ac6ebef2d
Verdict:
Malicious activity
Analysis date:
2021-10-05 15:02:44 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
formbook
Threat name:
Win32.Trojan.Johnnie
Status:
Malicious
First seen:
2021-10-05 14:13:04 UTC
AV detection:
9 of 27 (33.33%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'891 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s6tn rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.seestainable.com/s6tn/
Unpacked files
SH256 hash:
8381bdf70e44948d5c6891900b50105c803fe3364dc157cb7660f21c4b50ca4b
MD5 hash:
7bf019618eb3160e2dfa7bd5533d598d
SHA1 hash:
897142de3002c25042bb8e553de794822ee2c8f1
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
SH256 hash:
98257df783e840e80743c3482da475c0a8b0505b1eef573c4f7c968a9e53cdfb
MD5 hash:
8f48ae7e6330a607031c4d7ac6ebef2d
SHA1 hash:
d06a09bfcdb7b64b56224378bedc95f248365a2a
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: | buerloader_halo_generated |
|---|---|
| Author: | Halogen Generated Rule, Corsin Camichel |
| 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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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