MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049. 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: 12
| SHA256 hash: | 7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049 |
|---|---|
| SHA3-384 hash: | cb1bed309aa1a000f8f427bef83acf41637254e40f0b6c1bf19dbaaefb01907044a4d3da0e40b029e5f464255cad4e33 |
| SHA1 hash: | 63ac44a904971f265decc404583bd3912c31cf02 |
| MD5 hash: | 77e9f5464c103f8fedf6ae500d87dd32 |
| humanhash: | fifteen-september-maryland-kitten |
| File name: | 77e9f5464c103f8fedf6ae500d87dd32 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 669'696 bytes |
| First seen: | 2021-07-27 16:08:31 UTC |
| Last seen: | 2021-07-27 18:47:38 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:ipYH4NalijuwznKrVxEv4+IU6fayumYP9seHEdxAdAQUwFim4O9qAov0d/+y7mo/:aJ6jwW+IpiyuIekdKBFFim4Ol7mo5oFY |
| Threatray | 6'964 similar samples on MalwareBazaar |
| TLSH | T13CE4BEFD353A774FF44384BE50B44CA2695050FACA6EC792F72342AAEF1D49B99002D6 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proof of payment for overdue invoice.doc
Verdict:
Malicious activity
Analysis date:
2021-07-27 14:30:31 UTC
Tags:
ole-embedded
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-27 02:13:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 46 (43.48%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'954 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
CustAttr .NET packer
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yjhlgg.com/grve/
Unpacked files
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
ae0058bffd9b105ca07f1532d8789af1e8b224c1577d98cd228f489818b5dac0
MD5 hash:
c9ab14c4119d987c429c1e246789e95e
SHA1 hash:
692f5abaeda9da3c87de324ff037a3c33d8db57f
SH256 hash:
568ea8a8165373aac578ca9df12fc3514408cc1b7c9d87bc294c5b508c2793ae
MD5 hash:
efa9c33769bfa5329387509641d956a9
SHA1 hash:
9dad3df914441ef611b7135abd8e8a8d70475aa7
SH256 hash:
8afb4b443e7cd9530293d42b0782a7c08e4c25f2bb33b15613bd5e016b47937a
MD5 hash:
3262a0b94c21371f333e342b31f87f13
SHA1 hash:
fb42ef406ee76e6e84f8456188dff8f85401d981
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :
e92575edf627cec919538f92983c709e468c7c671fc8f7df767624b514e3104a
71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51
b663fea76aadbf574e5bb9f704ad689ec10f0d720b0b9641e70b27494fe4cc17
7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049
57f24fb8b5067342be6583d562e3f4e2eda6657e6574cf41290c6c0faa6e508b
a3381d8be907792db980f3e9cca2965af5b5f9057fc717a5de48760feb45aa49
71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51
b663fea76aadbf574e5bb9f704ad689ec10f0d720b0b9641e70b27494fe4cc17
7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049
57f24fb8b5067342be6583d562e3f4e2eda6657e6574cf41290c6c0faa6e508b
a3381d8be907792db980f3e9cca2965af5b5f9057fc717a5de48760feb45aa49
SH256 hash:
7b40c9c16df4b35ae04076a8afd38c4fe4bf5525bb388ea3871ec2371fa9e049
MD5 hash:
77e9f5464c103f8fedf6ae500d87dd32
SHA1 hash:
63ac44a904971f265decc404583bd3912c31cf02
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| 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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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