MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 afa78bcaf75938acfd9cad522dbe582d2997eae52d9f7d8b4acc6b66e10c632e. 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: 14
| SHA256 hash: | afa78bcaf75938acfd9cad522dbe582d2997eae52d9f7d8b4acc6b66e10c632e |
|---|---|
| SHA3-384 hash: | 6506115b4c9b515d7f3ee8233d34f07e04a6518c8dc062fb954a8e0a93a49bd5263e4cbadd8da91e46e691689d77dccc |
| SHA1 hash: | 0bea67292c231d56f555d97f3b75cdec5c468f35 |
| MD5 hash: | 82f9e1aebd57dbdb4de800b2bd835535 |
| humanhash: | kitten-leopard-william-comet |
| File name: | ikst.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 246'532 bytes |
| First seen: | 2022-04-06 13:54:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 6144:HNeZm4a3piESqKcyRbuTDUIGqJG8jxQ8hjppgUw3Z43W+vxrc:HNl3EcyRb3IPdXO3Z0jvxI |
| Threatray | 14'669 similar samples on MalwareBazaar |
| TLSH | T1A834120B76F6D067D16387B3AEBA4257CAA3422231E1475B0B20FB5D7931A43DE1A353 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-06 07:38:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'659 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:i1a6 rat spyware stealer trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
b716adfd6c6e9d5d7608e9410af4cecdbc6eced1256831f54165b9a34cf29f1d
MD5 hash:
a64cbf948abdacf062b808e2902b4e37
SHA1 hash:
8e3d627c8d4f01f9bd6822cab86550a6b9640513
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
de0a444c6c05b26434ea42a325af7d0100920cdad4e74d9d7f995d4dc6bbee67
MD5 hash:
5adc11ebc45faa7d51c5060901609acc
SHA1 hash:
ce398b0fdebe74fe16f67a2551ddb8524fab7690
SH256 hash:
afa78bcaf75938acfd9cad522dbe582d2997eae52d9f7d8b4acc6b66e10c632e
MD5 hash:
82f9e1aebd57dbdb4de800b2bd835535
SHA1 hash:
0bea67292c231d56f555d97f3b75cdec5c468f35
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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.
Delivery method
Other
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