MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb91ae659ff0861823e1e57ce7e2830f99bce4b3b97e48ef44790df3f86dbf8. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcb91ae659ff0861823e1e57ce7e2830f99bce4b3b97e48ef44790df3f86dbf8
SHA3-384 hash: 76c6e65defbc4e20e26fb6bbafff014caef486a7955ab19d39f627d7790af94ae9587e90651a946160a78cc1ddffc259
SHA1 hash: f67191819858a4b25a2dd0f2a4e423cd04025425
MD5 hash: 3abe767d34858a179ddb2e654e9d5d4b
humanhash: lamp-high-carolina-iowa
File name:SecuriteInfo.com.Variant.Strictor.59281.28854.24770
Download: download sample
Signature Formbook
Create hunting rule
File size:829'440 bytes
First seen:2022-06-15 09:50:15 UTC
Last seen:2022-06-15 12:28:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:kfwo+etIjWxBOrNXaR0NkI8BfOm/tjlq1eObqcY2p5U:Q8KfO1amNkVf3/tZAeOeb2f
Threatray 13'429 similar samples on MalwareBazaar
TLSH T182054A40E1C6EC59D00A2172C8B9B538766DFB89917BCD2E3A9E724894A33D37457F0E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d884a68e96a29acc (4 x Formbook, 1 x AgentTesla, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Strictor.59281.28854.24770
Verdict:
Malicious activity
Analysis date:
2022-06-15 10:07:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ed4a12db-e3b9-4059-9e76-8626d38c5cdd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/280094/
Detection(s):
SecuriteInfo.com.Variant.Strictor.59281.28854.24770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a9ab893c52ddca42da141a/reports/7ff40a23-54fa-4f17-9a2b-de9958b3da1e/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ba8da5c-2551-4bbb-b118-6c80267d4f0f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013557
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcb91ae659ff0861823e1e57ce7e2830f99bce4b3b97e48ef44790df3f86dbf8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 08:27:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7s4rvzsz74egdar6dzl447rigd4zxtslhol6jdxui6in6p4g3p4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
262fb779ec6fd7c58573c11480f2293f7680b38d3b62eb9acea9d228ed0a2f09
Formbook
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
Formbook
65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686
Formbook
69af526dae44e6d6cd6c83d443d2129c948e7c46d099d89f48a4bbecbab61cfd
Formbook
9a95de1cbc2bc1bbb8b87c0ea935b9c6675ce2a712465a40cbb2f4dfb85d711f
Formbook
a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977
Formbook
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
Formbook
ec6260e2fa3a7b5c332df32c1c44b13533a481d04add67596e632dc8898464c2
Formbook
+ 13'419 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer trojan
Link:
https://tria.ge/reports/220615-lvgewagad6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4ad21d8a-ac8f-48a6-98a7-c84095970604/
Parent samples :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 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
Link:
https://www.unpac.me/results/4ad21d8a-ac8f-48a6-98a7-c84095970604/
SH256 hash:
62a2437d5847eb5c6c9758153b204f17e112608437e424fdcbe851d4acb0e3f0
MD5 hash:
eb92d2f51c48115c547aa0c4243591c8
SHA1 hash:
2685474776db1a04a6303dcaa190c819eb6ce99c
Link:
https://www.unpac.me/results/4ad21d8a-ac8f-48a6-98a7-c84095970604/
SH256 hash:
c1799a0865573b7c025a294a0fc5210f69c670256053e5290493f10a6bbfffff
MD5 hash:
23eb6e33fa15891b5cdc4af3f7f50470
SHA1 hash:
00eb5625a1ac5c0df6a859835a80c09b7b663b44
Link:
https://www.unpac.me/results/4ad21d8a-ac8f-48a6-98a7-c84095970604/
SH256 hash:
fcb91ae659ff0861823e1e57ce7e2830f99bce4b3b97e48ef44790df3f86dbf8
MD5 hash:
3abe767d34858a179ddb2e654e9d5d4b
SHA1 hash:
f67191819858a4b25a2dd0f2a4e423cd04025425
Link:
https://www.unpac.me/results/4ad21d8a-ac8f-48a6-98a7-c84095970604/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fcb91ae659ff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fcb91ae659ff0861823e1e57ce7e2830f99bce4b3b97e48ef44790df3f86dbf8

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/280094/

Comments