MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
SHA3-384 hash: faf401f136550803d4ad82a4a40b82a6da8d14bce9f4213930c2ceb6975e32ff3fb416f3e0cefa9e7ad1ac8523575930
SHA1 hash: 0e3acd2b568bd58fcfd2e914eff2c982deb55258
MD5 hash: 88db09b12a478cac87ed465252c6c8f7
humanhash: artist-mike-lion-jupiter
File name:SecuriteInfo.com.Trojan.DownLoader46.60844.7642.4031
Download: download sample
Signature Formbook
Create hunting rule
File size:517'632 bytes
First seen:2024-04-28 07:38:26 UTC
Last seen:2024-04-29 14:39:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 6144:+Z6ySmRH93qXyS8KevIl/8/vpwO4XMGdKf4xU0PrH7KjnvQWTk85KqZIMHYJqE4E:RySuRbpGv64vPrHmnkb+NHYqXZ4fa
Threatray 4'085 similar samples on MalwareBazaar
TLSH T117B4E046D54145DCD4192A38C55A2F34857AAED40D22A2EEB6FFB80B8CBD703CB286F5
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 06070733333b1b06 (3 x Formbook, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
284
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Arrival Notice_CIA_AWB_INV_Form_pdf.IMG
Verdict:
Malicious activity
Analysis date:
2024-04-26 10:41:40 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/05dd5623-3d9e-485a-bd18-3ed5bb8a52f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98d4cabd-f1af-422b-af96-9a61d722cb5b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432791
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 05:42:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b4fxeedtunp6hzvtpv2vqjyevtk33qnt24juhz2nn7wftletfxvq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
16043cbb08a362ab425145ded9447bcc382c2b9c9eb3b570704edabbe4276fea
Formbook
38e5e3e1fc431520dbf8944828ad847ea054ea8ffda2f579e2c29bc53a84f94a
Formbook
98e895f711226a32bfab152e224279d859799243845c46e550c2d32153c619fc
Formbook
ab6799b9abcfccd9d1813d07d83b325737221cf242126ad0918c2b84cc16c815
Formbook
d18e67f33e7815cac0619e0fd46d67be7501afda61250566e26c7d8d0dc6ed19
Formbook
d1b0b9a6b80f54be2a14ff19f3bd682185848d92443fa555a08cb07fa630a230
Formbook
+ 4'075 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240428-jgyqwsba64/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f8d90d67907fd4f6d0fd054e52f462b9751dfbcafc773ac10e7769216cceaf9d
MD5 hash:
ae84db497e0ed1453a32f4d5e56d3825
SHA1 hash:
e62d1e46b022abee7ab7e0d68cec08b260e373ec
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/5ce0f930-0027-40a1-b9c9-59a3b306b025/
Parent samples :
99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa
16043cbb08a362ab425145ded9447bcc382c2b9c9eb3b570704edabbe4276fea
38e5e3e1fc431520dbf8944828ad847ea054ea8ffda2f579e2c29bc53a84f94a
d1b0b9a6b80f54be2a14ff19f3bd682185848d92443fa555a08cb07fa630a230
0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
9b6fc00623210be4340042bb63c2e7d674cb62de15d8d296ac93a6ad57e78984
18bb8b44a363513d2359eaf430f2e0a1559b6405d66269f4a77c3d052cfe01a9
SH256 hash:
3496b66c811598baab2a8b110e00fa19170b060fc8c94c90b655364711f3da3c
MD5 hash:
3a772afc6c4d08fbe7543dbf5034c58e
SHA1 hash:
5bba78a728517f4da8060db1f9cd260bb6504012
Link:
https://www.unpac.me/results/5ce0f930-0027-40a1-b9c9-59a3b306b025/
SH256 hash:
966e4849b562728bff4bbd69fadc2a566899a3d983a7ff5304e72ecf6cfcd772
MD5 hash:
55857f507f2e6dace00eafaac0391548
SHA1 hash:
1dbfdcd721d24918aae25344bc8b715405702aba
Link:
https://www.unpac.me/results/5ce0f930-0027-40a1-b9c9-59a3b306b025/
SH256 hash:
0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
MD5 hash:
88db09b12a478cac87ed465252c6c8f7
SHA1 hash:
0e3acd2b568bd58fcfd2e914eff2c982deb55258
Link:
https://www.unpac.me/results/5ce0f930-0027-40a1-b9c9-59a3b306b025/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0f0b721073a3/report/overview.html
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/0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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

Comments