MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b25ff7dc9cfcab029413dbaab77efdb5017d72ff5c0cc4d88769de1def78a6. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments

SHA256 hash: f3b25ff7dc9cfcab029413dbaab77efdb5017d72ff5c0cc4d88769de1def78a6
SHA3-384 hash: 1a856f970a41e7e36e502ad6d560947ecc3551317a395fd7ec90b92b52c33c691daa5cde7c5e4e6fcd8aab2140392d39
SHA1 hash: 314794ef8b3b0fc2f1efc2a68e04caa0e371ff25
MD5 hash: 21a8497522de5b8b12067fca910e0469
humanhash: zebra-saturn-spaghetti-shade
File name:f3b25ff7dc9cfcab029413dbaab77efdb5017d72ff5c0cc4d88769de1def78a6
Download: download sample
Signature Formbook
File size:674'824 bytes
First seen:2024-07-03 12:48:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:AbAASYMjhvPie/rByY7777777777777IxjJpI4SrsHIeCf6Xvfkn6lDNvkxm/GuK:AbAASYMFniyy7gQJQ686lDYmlpqSTpw
TLSH T1C0E42327327CE851DAACCB320289519253B2B2139566EBC45CC31DED6DEA7B03B00F57
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
350
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3b25ff7dc9cfcab029413dbaab77efdb5017d72ff5c0cc4d88769de1def78a6.exe
Verdict:
Suspicious activity
Analysis date:
2024-07-03 12:51:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Encryption Static Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer overlay 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.
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1466892 Sample: hOe2JrpIAE.exe Startdate: 03/07/2024 Architecture: WINDOWS Score: 100 37 yipicircle.life 2->37 39 www.yipicircle.life 2->39 41 18 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 10 other signatures 2->55 11 hOe2JrpIAE.exe 3 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\hOe2JrpIAE.exe.log, ASCII 11->35 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 hOe2JrpIAE.exe 11->15         started        18 hOe2JrpIAE.exe 11->18         started        20 hOe2JrpIAE.exe 11->20         started        22 hOe2JrpIAE.exe 11->22         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 2 other signatures 15->81 24 explorer.exe 79 1 15->24 injected process9 dnsIp10 43 www.tiensbangladesh.net 162.244.93.3, 49719, 80 PONYNETUS United States 24->43 45 www.shopusuniform.com 199.59.243.226, 49720, 80 BODIS-NJUS United States 24->45 47 3 other IPs or domains 24->47 57 System process connects to network (likely due to code injection or exploit) 24->57 59 Uses netsh to modify the Windows network and firewall settings 24->59 28 netsh.exe 24->28         started        signatures11 process12 signatures13 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71 73 Switches to a custom stack to bypass stack traces 28->73 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-14 07:54:56 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cn26 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1ae39311951e0bda88959ac6a2418ec6c6b86c07db3459a03562fb325cf7511f
MD5 hash:
39dadaa6ae7d97c25b8377e9d2d01857
SHA1 hash:
8a13fcb53c154d8f819546ef9cffe5ae3453d188
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
SH256 hash:
7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a
MD5 hash:
2c3f7108d4525ac2856cb70871f15c32
SHA1 hash:
5d04332dac4d5324d89ebca26a2a609b8fd9895e
SH256 hash:
cfe368cbf9635fb7f4cc3bbb69171625ed74d361a80a27f91565f9cda5df2b23
MD5 hash:
c27a8f7de25c401665d7135774fc56e7
SHA1 hash:
3ff9fea003528b5a6d71914f9c58fe0e88ecf51b
SH256 hash:
1a35649cb5c1adf982e0793eb6834ffa91aa47c2b26120a3ee19ad857018a0af
MD5 hash:
d53542e241a56165c77e800b2e8ac907
SHA1 hash:
12a72deed37494c5fe3738e5f074eadea406e8a4
SH256 hash:
f3b25ff7dc9cfcab029413dbaab77efdb5017d72ff5c0cc4d88769de1def78a6
MD5 hash:
21a8497522de5b8b12067fca910e0469
SHA1 hash:
314794ef8b3b0fc2f1efc2a68e04caa0e371ff25
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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