MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b. 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 20 File information Comments
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SHA256 hash: 9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b
SHA3-384 hash: 4f922e14d0406c4a8fc70c4700e4c57211182a179b2bb8f55ca560c3c55fec31df7f662c9ee5797346ecce74b9adbdfc
SHA1 hash: 46c7df580f99cd17eecad5eae66b83a8ef7872d7
MD5 hash: 81919da3bab2d3489c54a3343600a8fd
humanhash: lima-mobile-muppet-twelve
File name:Purchase Order_#400388875.exe
Download: download sample
Signature Formbook
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File size:747'016 bytes
First seen:2024-05-08 08:12:22 UTC
Last seen:2024-05-08 09:29:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:krniETpbqC8pWHZdcFhmzX+jevVZkDQbM6NIsmqoc/MNrczNsPxRXUkR:07bWp6zXuevVkQbB6sBJsPvXT
TLSH T19DF4230033084777EB99123116FDE631EB70D6B29C75D7AE09CE629C2E857E906217EB
TrID 49.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.7% (.SCR) Windows screen saver (13097/50/3)
7.0% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 708f8acac88ac770 (10 x AgentTesla, 4 x Formbook, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 09:27:44 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/b0191fae-2c32-41cb-8d2f-b7b0b78ab6ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2829.24407.27678.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/663b3420df07636df8d21ef8/reports/07bcba91-b573-4cb0-98a1-68178ebb7acb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4a5c46f-10d2-40bd-899c-45ac77c60f31
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/1438077
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
Contains functionality to register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2024-05-08 08:13:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tslueubwjsvlb2yn6wgjr3yuopydi64mqpfxzerrgnkpdm7nea5q._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/240508-j4earsdd95/
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:
e65411551a4cb79fa51a0b50e77863a6e93ed13a5a3aa6f1e55fe1974d7352e4
MD5 hash:
a46bce0b4f08400434453474a2b2a1c2
SHA1 hash:
a59018fc07488c2c3d0e9f6ff2172486f664bdea
Detections:
AgentTesla
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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/67884c93-2ea2-40ff-85af-b0bbbf5e68e8/
Parent samples :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 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/67884c93-2ea2-40ff-85af-b0bbbf5e68e8/
SH256 hash:
1a332a8e61d256a898a9bc7e772fcddb6c9d7c778c1dd5b86a38fca9a446698d
MD5 hash:
c9c4a4cf224d5b149f2dd478de7284e8
SHA1 hash:
3b2edb12808c4e769ad15f43fb6563e02a6630ec
Link:
https://www.unpac.me/results/67884c93-2ea2-40ff-85af-b0bbbf5e68e8/
SH256 hash:
b61b329b3b25811b2848bf1bdce8a1ade665d37f651fbd5ba81db24645e40ffa
MD5 hash:
8b623647bfa41d6abdb48b28ef4d2a26
SHA1 hash:
1f0a34efe7de31997e5b624684fa895fb8bea41d
Link:
https://www.unpac.me/results/67884c93-2ea2-40ff-85af-b0bbbf5e68e8/
SH256 hash:
9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b
MD5 hash:
81919da3bab2d3489c54a3343600a8fd
SHA1 hash:
46c7df580f99cd17eecad5eae66b83a8ef7872d7
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Link:
https://www.unpac.me/results/67884c93-2ea2-40ff-85af-b0bbbf5e68e8/
Malware family:
AgentTesla
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9c974250364c/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/9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
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Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
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Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
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Rule name:PE_Potentially_Signed_Digital_Certificate
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Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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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.

Malspam

Formbook

Executable exe 9c974250364caab0eb0df58c98ef1473f0347b8c83cb7c92313354f1b3ed203b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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