MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: 91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e
SHA3-384 hash: 3d7baba96df4928c9229c1a65fc6e2d281f463bde59066037855d3147622cab398bf405919bd1ee5bd8678e9b87bd5f6
SHA1 hash: f8bdd7cfaf0a4a05dc81fb55e71c0ae36527636b
MD5 hash: 404c12a758b24943fb0bc042edb1f623
humanhash: cat-carpet-ohio-finch
File name:ödeme.exe
Download: download sample
Signature Formbook
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File size:1'038'336 bytes
First seen:2024-02-01 10:34:19 UTC
Last seen:2024-02-01 12:51:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:iMyUK4+PrDjQiiunc1RVIzlJQAgqvPgtQF4X:8DjQiiuncBIzlJQAVot
TLSH T10F25D0852AB48F11E53EA7F580650100D375B95B792FEB4D8FC0A0FA1EB6B414E46F2B
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 10:57:35 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/f8a8d6ac-d080-4f4c-8e27-924baa368ad4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2658.19946.29057.UNOFFICIAL
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Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50321acf-3514-4e31-a735-a612136efd4b
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384736
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384736 Sample: #U00f6deme.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 42 api.telegram.org 2->42 44 ip-api.com 2->44 46 2 other IPs or domains 2->46 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 62 13 other signatures 2->62 8 #U00f6deme.exe 7 2->8         started        12 WOvhAOnoDJvmd.exe 5 2->12         started        signatures3 60 Uses the Telegram API (likely for C&C communication) 42->60 process4 file5 38 C:\Users\user\AppData\...\WOvhAOnoDJvmd.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE84E.tmp, XML 8->40 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 76 2 other signatures 8->76 14 #U00f6deme.exe 15 2 8->14         started        18 powershell.exe 21 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 74 Injects a PE file into a foreign processes 12->74 24 WOvhAOnoDJvmd.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 api4.ipify.org 64.185.227.156, 443, 49710, 49716 WEBNXUS United States 14->48 50 ip-api.com 208.95.112.1, 49711, 49717, 80 TUT-ASUS United States 14->50 52 api.telegram.org 149.154.167.220, 443, 49712, 49715 TELEGRAMRU United Kingdom 14->52 78 Installs a global keyboard hook 14->78 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->80 82 Tries to steal Mail credentials (via file / registry access) 24->82 84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2024-02-01 09:20:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg6guyve5x53i5dl3aa2nxzjwsod5r5yzed7orxxs3v6iwtmqopa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240201-mmndwsbbc6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6581854453:AAElsWVfjiv5qeJ3dFi38_DPpMtSGup2iq4/
Unpacked files
SH256 hash:
f283e3c4c6372c2dc72988585f319aa3f2b67e2098d46ffc7fa7e112b319a14b
MD5 hash:
addd5a56e2b5f77671885c7de8b319b0
SHA1 hash:
ff1f19d440bacb161947c5256625bfe7f31d5778
Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
SH256 hash:
294c15bd5b750d8e54574cd5f2b3ff70ccc8f67bc2ff34a2c2ab7e1833bc7e88
MD5 hash:
3aef2b754a3317462f7c9495dccbbead
SHA1 hash:
1849be02ff7796ddaf6954d88041cf887b331c3d
Detections:
win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
SH256 hash:
91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e
MD5 hash:
404c12a758b24943fb0bc042edb1f623
SHA1 hash:
f8bdd7cfaf0a4a05dc81fb55e71c0ae36527636b
Link:
https://www.unpac.me/results/1a81a27f-aa10-499f-9f24-d8701e203e79/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91bc6a62a4ed/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/91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e

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
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 91bc6a62a4edfbb4746bd801a6df29b49c3ec7b8c907f746f796ebe45a6c839e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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