MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062. 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


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062
SHA3-384 hash: ccbc68bec5b57890dd603efc0b094d286527da9efe84ed5cedec37389d170c665c81f7bd204670b8d62b07ec48538fa6
SHA1 hash: f5353d28175e7c27fc1a37b6fd34deecf0991111
MD5 hash: 524beacf87fad7713d84b15a5d7088e9
humanhash: equal-ack-south-connecticut
File name:PO290.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:883'200 bytes
First seen:2022-11-15 11:36:49 UTC
Last seen:2022-11-21 11:21:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9yqX0T4ETYhaYunmd1nBSfeaji10tIyQUvgXVrLUXXZ2NM/ctd+6MrF8FP17bWLQ:xX0kE8hasdrseajggt
TLSH T180154A9C3150A5DEFD5FCA72D5A8BF60617170F393CAD65B91271198CB8CA9F8E000EA
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon bc9c9ab2b2b2b28e (5 x Formbook, 4 x AgentTesla, 2 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO290.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:54:11 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8a225275-93d5-41fb-949e-672de5b1d2ec

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/334235/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637379f707c3f5e84a014052/reports/e97d9014-0e4b-4686-9cb8-9b1307b52684/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/75ba569d-2704-4159-936e-3c000af81008
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114233
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-11 05:08:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
20 of 34 (58.82%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg3vuw6i5q4fxn2pgulsyfyb4cfmfgdsmu74f5miq44qozikcbra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k056 rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-nq66vahd8y/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/41765ae1-c986-4152-8cb9-d32769e84cac
Unpacked files
SH256 hash:
6ff4bf0414e5586713172d5bf2c5950bc340d4e7e5281c808238ad4854eb4fa5
MD5 hash:
649c8087ff6984851e56db65bd3cc3aa
SHA1 hash:
8aa2a8b9fd0a6607c816095f01743173f6aadb41
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
Parent samples :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 hash:
fb0480f08d9478c2481e4274f7335fac7ea4007d7816ac1c4d75054c12bf79e3
MD5 hash:
0d2b7251af8d31d641b71f4c816568aa
SHA1 hash:
9126fdb4edb73aa2d85048afc5466419b151c834
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
SH256 hash:
26465433e4c9953dd04aba154791bd5c8f117a64e1342e4672b30c89b7823865
MD5 hash:
e9363efb42633c1a252b1aa6bc7f670a
SHA1 hash:
550130fbc56b1e76382f2f73f597c3e13c891fb6
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
SH256 hash:
b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062
MD5 hash:
524beacf87fad7713d84b15a5d7088e9
SHA1 hash:
f5353d28175e7c27fc1a37b6fd34deecf0991111
Link:
https://www.unpac.me/results/b377ad5d-325e-4f99-9b13-b04d4aef1f33/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

Formbook

Executable exe b1b75a5bc8ec385bb74f35172c1701e08ac29872653fc2f588873907650a1062

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/334235/

Comments