MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575. 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: | 90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575 |
|---|---|
| SHA3-384 hash: | 7d9e03321454369a3057790cd645282c5eacc951104982e4a2aada862f7aaa19416893c4b45f1565975875370636c395 |
| SHA1 hash: | da9bf145c66812e148fb70f1b36badabd9aa4989 |
| MD5 hash: | 6e2d67b23e4bc268bbf9c83e15dc4154 |
| humanhash: | asparagus-delta-virginia-floor |
| File name: | 6e2d67b23e4bc268bbf9c83e15dc4154 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 520'704 bytes |
| First seen: | 2022-04-08 09:47:38 UTC |
| Last seen: | 2022-04-08 09:51:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:K5TE0ZQ7y6+8d4ubuhcR7ODkhvGt82AxyWDIeThZOv3:ATEd+m4zq72knbMWY |
| Threatray | 14'644 similar samples on MalwareBazaar |
| TLSH | T1CEB4014DFB56BDE8E85A43B839719C133F23D51365FDADAC2089626A0C7520250EBDCB |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
feb.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 05:24:25 UTC
Tags:
formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Svchost Process
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:
2022-04-07 17:30:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
14 of 26 (53.85%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'634 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5d6151c285d473e8648d4a06ac29ef6a0267a124cf586b483d4c897c8a99b11d
MD5 hash:
746b4d06c36ac62b133dac83ffa9a538
SHA1 hash:
ed219881ccb01f440abc4f60bfcf212de308facb
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
087f0eb24abcacc65233c562bd0c1a460b96088a7e109d7c4a82e2856a6a4ab5
MD5 hash:
47adeefabf8f6bdd13bf499ebe47ca74
SHA1 hash:
d6e2bf412906c533eb92839a68166e6a4585c7e6
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
874958a2dca5692c3b52933c0543d6a408d79b649ad038d5a2108408df559b0a
MD5 hash:
b96e59e4a86c22ecf781346e66286724
SHA1 hash:
531fda9644f65f2772c51b46b43d73cbf3eb3c59
SH256 hash:
90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575
MD5 hash:
6e2d67b23e4bc268bbf9c83e15dc4154
SHA1 hash:
da9bf145c66812e148fb70f1b36badabd9aa4989
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: | 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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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://172.245.27.28/f/feb.exe