MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a96ccfc5b5b64660b986d22b9bcc96cb5e178d3d506893bd24a959a5338a4a32. 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: | a96ccfc5b5b64660b986d22b9bcc96cb5e178d3d506893bd24a959a5338a4a32 |
|---|---|
| SHA3-384 hash: | 08d89c87f68ae4a4c192257c932921959048e26673cc797347ba695f2bfafff504f1052120488fc98de497fbe8f2173f |
| SHA1 hash: | cbc264cc28e5bb477fbc6675388437309be811f1 |
| MD5 hash: | 44e152bf429a978efaacc69aaa15f411 |
| humanhash: | vegan-social-violet-pizza |
| File name: | dekont.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'372'290 bytes |
| First seen: | 2022-09-14 12:16:48 UTC |
| Last seen: | 2022-09-14 13:56:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat) |
| ssdeep | 24576:rAOcZ8h+hBuGTPvD5H347RiNnyYUkjPV99npuezy71oporahH:t4hXTPL5LNrUkj9fZe6GM |
| TLSH | T15A552212B5D384B3D4B71A319A316B292E3C74201E29AF6FA7D40D9DAF315D0B624F63 |
| TrID | 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 3.6% (.EXE) Win64 Executable (generic) (10523/12/4) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.5% (.EXE) Win32 Executable (generic) (4505/5/1) 0.6% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Adding an access-denied ACE
Launching a process
Sending a custom TCP request
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll 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.
Verdict:
Unknown
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
Contains functionality to inject code into remote processes
Drops PE files with a suspicious file extension
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-09-14 12:17:38 UTC
File Type:
PE (Exe)
Extracted files:
375
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:se30 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fec90244d14e12381826e2fa115822ce29c429ed19579235b42bcebbfcc2ea84
MD5 hash:
b67c1e0bc307aa37591b28230e2b555c
SHA1 hash:
e9614fa595fd82d4f99cd9e8a3a4bb094f766a74
Detections:
FormBook
win_formbook_auto
win_formbook_g0
Parent samples :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 hash:
128bb2faa66d1f321140c8833c550678cfb842f707bc6eb02bed92d05600a3e9
MD5 hash:
d27fe3e995790367fa5ba1535c24bdc6
SHA1 hash:
57a132f962d78c0be53450e709c51a87d6bcabec
SH256 hash:
a96ccfc5b5b64660b986d22b9bcc96cb5e178d3d506893bd24a959a5338a4a32
MD5 hash:
44e152bf429a978efaacc69aaa15f411
SHA1 hash:
cbc264cc28e5bb477fbc6675388437309be811f1
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: | 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: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | RansomwareTest4 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | RansomwareTest5 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | sfx_pdb |
|---|---|
| Author: | @razvialex |
| Description: | Detect interesting files containing sfx with pdb paths. |
| Rule name: | sfx_pdb_winrar_restrict |
|---|---|
| Author: | @razvialex |
| Description: | Detect interesting files containing sfx with pdb paths. |
| 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
Delivery method
Distributed via e-mail attachment
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