MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f61f02c5be2ef5988f474ffc148b099942ab8582cd4aac8b3c991436f6230592. 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: 10
| SHA256 hash: | f61f02c5be2ef5988f474ffc148b099942ab8582cd4aac8b3c991436f6230592 |
|---|---|
| SHA3-384 hash: | 701d66947d097620a9062a15c1c05f831e4d9e1687129826fa9acaf6e753da6c592a8a22f1034c557fbc2166b73152c9 |
| SHA1 hash: | 37be377fc2afbe7cb4eaf39355f7119cd7862769 |
| MD5 hash: | 6e0250223a5a3f26b4a86659f66c585c |
| humanhash: | stairway-lactose-foxtrot-sierra |
| File name: | 6e0250223a5a3f26b4a86659f66c585c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'261'056 bytes |
| First seen: | 2022-02-08 09:03:02 UTC |
| Last seen: | 2022-02-08 13:52:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:TjurYdWbCCgNFerOrCzSLYfCL4g93evxQxV48M/Xm9L:TaxbCCgexzplWH4IL |
| TLSH | T1CA45E12127A54418E57B0BB8CD62D4B0463BBED63575E25C20DC7EAFBB73B418A02736 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Searching for synchronization primitives
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe squirrel.exe
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-08 06:23:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:ch24 evasion 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
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Unpacked files
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
c96a77757afd4638d8a99308d4afcdd330999a5b526fe97f298d944b21d4af4b
MD5 hash:
6027a0fd46f156fead7bbba553109957
SHA1 hash:
350e14d733dd5ed4fecaa3d3220c766a1668b806
SH256 hash:
40b55031170aa7cf50e40ff0b7028ada683358fec2d4b82258acc9b336b30241
MD5 hash:
2ecb81ca687ba569c90b7eb9cec499e1
SHA1 hash:
83d2a2960d988adfd17d5fc59fe67ad93484f142
SH256 hash:
5c59e92a98f8e083d7abc4144dad0189a1216b9aabc45a1625435d46688a7ee0
MD5 hash:
ee633d3b9ec55fdea49fa40933cb49f1
SHA1 hash:
4c3be6a129d573ec9aa6529ee8050371085cee03
Detections:
win_formbook_g0
SH256 hash:
f61f02c5be2ef5988f474ffc148b099942ab8582cd4aac8b3c991436f6230592
MD5 hash:
6e0250223a5a3f26b4a86659f66c585c
SHA1 hash:
37be377fc2afbe7cb4eaf39355f7119cd7862769
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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