MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ca2ff9b2f21e729fedaf39b0ca30205ace55e58b85186494831a3d51b638e17c. 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: 16
| SHA256 hash: | ca2ff9b2f21e729fedaf39b0ca30205ace55e58b85186494831a3d51b638e17c |
|---|---|
| SHA3-384 hash: | 55e1edf0e389a44cfa4f26d78752914dd26ce17c3926be24e7a3757038e918107cf5f44cd5767c93688ec8af95d3ff4f |
| SHA1 hash: | a5b524bd1351faca6e7392428dc1f0c502e89954 |
| MD5 hash: | c2d22eecf191b1f5049638dca27e6f95 |
| humanhash: | pip-football-neptune-undress |
| File name: | mmanu231446.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 274'011 bytes |
| First seen: | 2022-05-10 11:19:06 UTC |
| Last seen: | 2022-05-10 11:50:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:LOtIOKxlUZGwAnYRmbNKAx8gnwlnJkDPLyrN:LOLKnUiR20wlnKPLyrN |
| TLSH | T1D34412147595C8ABF87312724F55B3134EFB8E33193B590A93A5266A3F63350EA0FB42 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
mmanu231446.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 11:23:12 UTC
Tags:
formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
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:
Malicious
Threat level:
10/10
Confidence:
100%
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
2022-05-10 11:20:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:t23s rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2cc3f06a7acce043719a37ccffc66eef769331c468f0f2d57c2c6908b72eacec
MD5 hash:
8e67374f0513fcb8f63f9a7616dfc6d5
SHA1 hash:
84ed7fe4446e7ea076f51c21be031bc8582a259c
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
a0fa84e75f95623581f04e41d06e494557336b4a36a82e320b13b3c05973e42d
MD5 hash:
ec2a018b26871b522e5aa66597fe9352
SHA1 hash:
d79de63fb38981c8bac061bc03b1523996dceed9
SH256 hash:
ca2ff9b2f21e729fedaf39b0ca30205ace55e58b85186494831a3d51b638e17c
MD5 hash:
c2d22eecf191b1f5049638dca27e6f95
SHA1 hash:
a5b524bd1351faca6e7392428dc1f0c502e89954
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.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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