MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8. 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: 15
| SHA256 hash: | afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8 |
|---|---|
| SHA3-384 hash: | 1412836a3056b9aae199af00d0b61dbf5c912ec483a447daec766716209a821b6377564a062b0ddf061e1f0030882205 |
| SHA1 hash: | 0e2528335349290ffa2f8ac46030fcf3412740b3 |
| MD5 hash: | 3107a2ab38734f234d4fed885976d2b7 |
| humanhash: | illinois-london-sodium-solar |
| File name: | Factura de proforma.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 495'616 bytes |
| First seen: | 2021-10-05 16:48:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:B8occ0WSM3CAniwHakxk3yCFFp55uQbNnZbeJ3:B8rc0Wrzi+xoy655nZKJ3 |
| Threatray | 9'916 similar samples on MalwareBazaar |
| TLSH | T102B4CF94336F6F45ED398FF4142CA1D153BA6C372079D72A0E92B0ED5962BB00E91E93 |
| Reporter |  abuse_ch |
| Tags: | ESP exe FormBook geo |
Intelligence
File Origin
# of uploads :
1
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Factura de proforma.exe
Verdict:
Malicious activity
Analysis date:
2021-10-05 16:50:06 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-05 16:49:04 UTC
AV detection:
21 of 45 (46.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'906 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:cb3b rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thefanlounge.com/cb3b/
Unpacked files
SH256 hash:
c6e68d6acf81aa9ae9ed2dfbc1362c274b5812c1fcf3b9444ce56021725f39ac
MD5 hash:
9656d6ce415ca2665017e14a6949fc82
SHA1 hash:
995032fdaa1938378423a6f1d98f3ad8e12c3092
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
fc3b058a89cd3f987396e3791c512e015438e29d0de28a7174c9ccf8c4cae32a
MD5 hash:
9fcba175e6d33f20f508835a3fb487a3
SHA1 hash:
bee3ed91f31d0b930b8b7137f98ee63790ad2151
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
SH256 hash:
afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8
MD5 hash:
3107a2ab38734f234d4fed885976d2b7
SHA1 hash:
0e2528335349290ffa2f8ac46030fcf3412740b3
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.
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