MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7c541e33f2b59431fcc38e07a221fa648745b21a90d651507bf32286f67281d1. 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: | 7c541e33f2b59431fcc38e07a221fa648745b21a90d651507bf32286f67281d1 |
|---|---|
| SHA3-384 hash: | c2a9a98e892682fb695bd2e505db0dac3d8b0dfaa6d9fb818495784ef7643bbf8579c868d7a0c74d23e93ea009be61e7 |
| SHA1 hash: | 317f9e35b7d3d1230366262c2be614c027c91180 |
| MD5 hash: | 8d6940c3b3015f93039752d3d90cfbe1 |
| humanhash: | uniform-papa-crazy-wisconsin |
| File name: | n1qCzrnI4tr7EpE.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'372'160 bytes |
| First seen: | 2021-12-06 07:00:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:aHMIQnEZhLiqZwg0TXf9XMp971XSdmcQhBPZokKWkgpILL7:uXj0Tv9bmrhBho1Q8L7 |
| TLSH | T1BB557A1D26B5086BE97C1A305425073B5EF26C3D957BE3CD3B48356B4BB36840A263EE |
| File icon (PE): |  |
| dhash icon | 86e8c0c8ccd89ce6 (18 x AgentTesla, 18 x Formbook, 8 x Loki) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
n1qCzrnI4tr7EpE.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-06 07:07:31 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:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
evasive obfuscated packed
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.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Conti Backup Database
Sigma detected: Disable or Delete Windows Eventlog
Sigma detected: Powershell Defender Exclusion
Sigma detected: PowerShell SAM Copy
Sigma detected: Suspicious PowerShell Invocations - Generic
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-06 07:01:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:x2bt rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.hudsoncm.com/x2bt/
Unpacked files
SH256 hash:
b458515c7f0e476ab4291758ea24b13991055c422da50c427210838e0c620242
MD5 hash:
c13ec587705b14a83e1a8845434dc8a9
SHA1 hash:
700542ab56ac5e43deae8a06857e2afff2f77145
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
91df827c358685d67a03d30b4153db015491f8d3570a1d89cab98c9e2bebf476
MD5 hash:
a3d9d5b82b856b915f7f2e4f97e99b7d
SHA1 hash:
fe74e7e44b80fcec8deb23cb3f22bcabbf577337
SH256 hash:
e2ac98746c8ceaae5c828c7d97ae9479d95cb5011974eadaff8d192466185150
MD5 hash:
5649b0cf2cc6d76c86faa8fc65d8f42b
SHA1 hash:
baa8377c7f37a0f0a9b20064a6f382fa5bb08c2f
SH256 hash:
7c541e33f2b59431fcc38e07a221fa648745b21a90d651507bf32286f67281d1
MD5 hash:
8d6940c3b3015f93039752d3d90cfbe1
SHA1 hash:
317f9e35b7d3d1230366262c2be614c027c91180
Malware family:
FormBook
Verdict:
Malicious
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
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