MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8a2020b3037513acb7c1bf54ba37376e3e8d04a047b97a2b035c12125e6c3ff3. 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: 9
| SHA256 hash: | 8a2020b3037513acb7c1bf54ba37376e3e8d04a047b97a2b035c12125e6c3ff3 |
|---|---|
| SHA3-384 hash: | fbc76a5014282a844c0cde066888200435f4d8c7e809a279180541f5f594ffd76c7ba62c1dc884e75fb9a0562a387d54 |
| SHA1 hash: | af8c7195c2e0353713fadf459309816f7b204f94 |
| MD5 hash: | c4277372cfc4410d55fb136613f75518 |
| humanhash: | virginia-floor-red-october |
| File name: | Purchase Enquiry.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 540'160 bytes |
| First seen: | 2021-02-11 10:22:36 UTC |
| Last seen: | 2021-02-11 11:59:01 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:svv0/iei9k8mOalFu027X1mTVwo+kWHpONRMCvlCwWRMomXYP6l/0H2a8CE8IC1S:C8Zi970HR+hENRpQwMMo8sYf4iR5Z |
| Threatray | 3'821 similar samples on MalwareBazaar |
| TLSH | 98B401291F5C9E46D66D3FBC0EB1D22423FDE6112A25C306EFE93DCD2931F9A9940294 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: tirdonics.us
Sending IP: 172.107.194.103
From: sales011@tirdonics.us
Reply-To: sales01@tirdonics.us
Subject: Enquiry from Tridonic Inc
Attachment: Purchase Enquiry.zip (contains "Purchase Enquiry.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Enquiry.exe
Verdict:
Suspicious activity
Analysis date:
2021-02-11 10:31:06 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2021-02-11 10:38:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'811 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.triumphantlytransformedbk.com/pep/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
SH256 hash:
8a2020b3037513acb7c1bf54ba37376e3e8d04a047b97a2b035c12125e6c3ff3
MD5 hash:
c4277372cfc4410d55fb136613f75518
SHA1 hash:
af8c7195c2e0353713fadf459309816f7b204f94
Please note that we are no longer able to provide a coverage score for Virus Total.
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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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 |
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
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