MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341
SHA3-384 hash: 062191f07b61efed1fee2436ed30c6ced70ce75c3460cf193abdce1d5d5e56d74f55a855b239df307ffb205dacbac7c3
SHA1 hash: 4b769d0f89809bfd3e9dc1fbab6ae88fd3b28b55
MD5 hash: 03b89245a2d63d14fecaae4b2cb5f758
humanhash: jupiter-happy-mockingbird-west
File name:SecuriteInfo.com.W32.AIDetectNet.01.16151.12463
Download: download sample
Signature FormBook
Create hunting rule
File size:619'520 bytes
First seen:2022-05-30 02:40:18 UTC
Last seen:2022-05-30 07:15:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:DtO61A01x+NwfXqUuTWCOCH9WjQbQGlX/MScPC3LlnHqZ:z+0//uTWCn9WEbh/MScqdKZ
TLSH T19ED423258BE9332DE0AD2FFB993489018375D277B512CA983DD030FBAD51B42DA5162F
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00ccf096ccc0d400 (21 x FormBook, 18 x AgentTesla, 11 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.16151.12463
Verdict:
Malicious activity
Analysis date:
2022-05-30 02:40:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c501b724-7cd2-4011-9471-dae9b82fc700

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/275289/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16151.12463.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
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:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62942ece054dcf0eca02dfb8/reports/d8cfd06d-1442-46bb-bc46-06bf39d794ad/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5faa9b03-9f65-45c4-acc0-9b91bd431999
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003359
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
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/a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-30 00:58:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujzdimdng5yjajpdivxmax5stgx2i3nmi2bnatucghzfbnjegnaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:en83 rat spyware stealer trojan
Link:
https://tria.ge/reports/220530-c6e7hsfaep/
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:
c3074c59e9d2f28a5ec0d3a3076f213f068852997bfe8bae946221d2611c46cc
MD5 hash:
7dc7513e7418a2b7d9f1d794deaffaa4
SHA1 hash:
13e7dfa0d71128139a1baccdd27683ed95878ff9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d43320f6-3014-4949-b589-1f9a814a12a0/
Parent samples :
85ce49f0532bcb23b394c9af68f6b816670d5deeba332c15aae2ed158a10f19e
a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341
13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9
cddd7c5798303f779782f6d34ce93034647e5984f9b52f259e030201b538fc3d
a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914
1d5f49fa09b805de66c2677afe0c55daa99ff7abafbb4dd5150f764b3fb26539
SH256 hash:
840be1d54ac08fdec3556b93ff92af7e2f6d7c909a7606c59c5ac777670e2742
MD5 hash:
cc4a8210cb3e6146e928003944c15fbf
SHA1 hash:
e218e2b2a8c8e204c19d6cc6aec987b87544d566
Link:
https://www.unpac.me/results/d43320f6-3014-4949-b589-1f9a814a12a0/
SH256 hash:
6f0e5f3d2d0f8a59dd456bdcfce4fed78521953d7bd786dc4fb5908b4b037d34
MD5 hash:
d17fc3a3d8b337c32f931725daf9246d
SHA1 hash:
586fe8f49185b4fe2f935533b7f7c7db6e901698
Link:
https://www.unpac.me/results/d43320f6-3014-4949-b589-1f9a814a12a0/
SH256 hash:
7043050f83e45d6315dfa280f94516f948bf5385c4855c79c846218ad75859c6
MD5 hash:
0afbd626c86efcd731a418a09cd652a9
SHA1 hash:
2de422e17cf294ffd24320ea0bcc2da2edf923ef
Link:
https://www.unpac.me/results/d43320f6-3014-4949-b589-1f9a814a12a0/
SH256 hash:
a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341
MD5 hash:
03b89245a2d63d14fecaae4b2cb5f758
SHA1 hash:
4b769d0f89809bfd3e9dc1fbab6ae88fd3b28b55
Link:
https://www.unpac.me/results/d43320f6-3014-4949-b589-1f9a814a12a0/
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/a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341

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
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/275289/

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