MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba. 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 16 File information Comments
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SHA256 hash: 0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba
SHA3-384 hash: 5973e9c8bf98f7e010b924360f7d40b879cbdd844c694134accdeeff0fd3c6d00b941a3c22c67c7b4e248e83dbafcdcb
SHA1 hash: 474c2adb04f2a638ae3cd8e965cf951ae1ffddd9
MD5 hash: a16c8a5992ce678f3d1bff1ce8b9898b
humanhash: october-yankee-oven-berlin
File name:PDF Purchase Order PO0479TK.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:661'504 bytes
First seen:2024-02-07 08:48:13 UTC
Last seen:2024-02-07 11:35:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:9DgxLvnA7sqNdSr2bJnjvbtlZw7PP/Ssg0QMgeBxjC2XHCLweUaslaQw:Ngx7nA72GjztlZw7P3KMrrqJUaO
Threatray 192 similar samples on MalwareBazaar
TLSH T166E4234832E81B12EB7F3BB658B49200867374167576EBDD6E4062EE1F66F408D24F39
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 09:23:34 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/418d3119-b1c0-48c4-ad4f-68177bb4b872

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/475075/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19373.23717.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65c344072cb3f19023f3a613/reports/4a311002-8ba3-4588-976e-001589e7db37/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba
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/37eccea5-051f-49c6-90e9-442ca2c25233
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388168
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388168 Sample: PDF Purchase Order PO0479TK... Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 48 us2.smtp.mailhostbox.com 2->48 50 ip-api.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 18 other signatures 2->62 8 tzgjCOm.exe 5 2->8         started        11 PDF Purchase Order PO0479TK.pdf.exe 7 2->11         started        signatures3 process4 file5 64 Multi AV Scanner detection for dropped file 8->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->66 68 Machine Learning detection for dropped file 8->68 14 tzgjCOm.exe 8->14         started        17 schtasks.exe 8->17         started        19 MpCmdRun.exe 8->19         started        30 4 other processes 8->30 44 C:\Users\user\AppData\Roaming\tzgjCOm.exe, PE32 11->44 dropped 46 C:\Users\user\AppData\Local\...\tmp263D.tmp, XML 11->46 dropped 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->70 72 Adds a directory exclusion to Windows Defender 11->72 74 Injects a PE file into a foreign processes 11->74 21 PDF Purchase Order PO0479TK.pdf.exe 15 2 11->21         started        24 powershell.exe 23 11->24         started        26 powershell.exe 23 11->26         started        28 schtasks.exe 1 11->28         started        signatures6 process7 dnsIp8 76 Tries to steal Mail credentials (via file / registry access) 14->76 78 Tries to harvest and steal browser information (history, passwords, etc) 14->78 32 conhost.exe 17->32         started        34 conhost.exe 19->34         started        52 ip-api.com 208.95.112.1, 49703, 49707, 80 TUT-ASUS United States 21->52 54 us2.smtp.mailhostbox.com 208.91.199.223, 49704, 49708, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->54 36 conhost.exe 24->36         started        38 WmiPrvSE.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-07 07:00:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ayk66ejmz2ptcembric4ubg66miwqbyocyexnmhz7ekldad66w5a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
Formbook
ba6ca59893666207fcc985056f408e08b82a09e6938a746edb2e769dc47d6ba7
Formbook
dcef69c94d8166b5bd96de0c8b5cc686bc3ec021c7754b43900a50a7913e0a9b
Formbook
ddcc681b810274f9326f2e5b5716e44d36d69ace7deb147db9a9d5504e5018f1
Formbook
fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
Formbook
+ 182 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/240207-kq1ghsgcfq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
39cc263b3ce3dc7dd7726f7d85004ed6c4e1750af2c275fa2c3c320c8c7c75aa
MD5 hash:
042c14b183b910e6e1168f74e16e78a7
SHA1 hash:
eda356228360bbf8f976cf1b9a00a1d56d1efc14
Link:
https://www.unpac.me/results/c4644bb5-b291-462a-aa11-a1c2277b1626/
SH256 hash:
b67fd79a0a14d5e3aca0367018b70a4afb20fa26970a6780af57de49d40f5a29
MD5 hash:
26263d1e27d175692315f40959a38c85
SHA1 hash:
7d54b2a9dfca5897d9bb00b4a6a01b2e26a134c8
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/c4644bb5-b291-462a-aa11-a1c2277b1626/
Parent samples :
a725162020873c30288047a60ac4fbe92f96e4393ec7b6cf36a38fd0eeb0e25f
dcef69c94d8166b5bd96de0c8b5cc686bc3ec021c7754b43900a50a7913e0a9b
fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba
780749c5cfc69b6f4fc04b09709df33cd35a759dfaa4957c596dafd9a0ff11ab
77950a73e1fe319456c2eb3d13de26a1917cfa965bdb5016ad303f0ce9385501
1370d337f24395dc30833b04e4166d1820bcfc70a947132f15849c81a8f55c64
0df39b8c26a1b395b2389908f7dc4781aabba0aa10f4642baf46b8f1a9e2c426
77b71576856185e15daeb6b0ad20b0745c744a8f14dad72c98f479f2802bf545
494303b1cbd6db4ad8784f03ef83b345bf61105cf975fd1c2021a1d7fb4c5430
314a88c948270abad76c13c0e5800683ccc78392fed92673c50e14aace7576f3
bdf27a5c5327e39ec2d7b3a6a7c5068b68f0d0e46791c7afad0ecd6b1a803ef5
48d92c8ffc4d4b1f994fb5ab97c8a173de561bb7e8a5e08ce6d6042039def6dc
61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40
SH256 hash:
e9e813bacf3023c976139f60ae9a9a89f2b57208f5f1be762c1d9fc4dd4fa987
MD5 hash:
cc1ea56b9a120141963c0db35cf63464
SHA1 hash:
79057584ac883d9d60374e9731e0680b02fa9b92
Link:
https://www.unpac.me/results/c4644bb5-b291-462a-aa11-a1c2277b1626/
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
Link:
https://www.unpac.me/results/c4644bb5-b291-462a-aa11-a1c2277b1626/
SH256 hash:
0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba
MD5 hash:
a16c8a5992ce678f3d1bff1ce8b9898b
SHA1 hash:
474c2adb04f2a638ae3cd8e965cf951ae1ffddd9
Link:
https://www.unpac.me/results/c4644bb5-b291-462a-aa11-a1c2277b1626/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0615ef112cce/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/0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/475075/

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