MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
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SHA256 hash: 15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
SHA3-384 hash: 318a9ec644e5cfa9676687d44f9b85c0785e975ae9ad8747cf43abbb207802e6cb7112ad26c03ccb916ebe0e1435bf7b
SHA1 hash: 3dee3d2ffe1c32d3dcc6d140dbcfa06a55ada781
MD5 hash: b7c5b8e817f1520b433d097c68c71441
humanhash: failed-robert-november-nevada
File name:PO._21007438-SCH_30724.exe
Download: download sample
Signature Formbook
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File size:652'800 bytes
First seen:2024-07-04 16:22:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:erFz+ZVgeTJ1kZjYqVRavD7R5GhYG2ucIg:0FzyVgSHqVGDGV
TLSH T16CD4024E17DD2958E1BF8F34A4B9125407B4F95F6962F36E0A8045F88FB278A8D017B3
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
367
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 16:34:34 UTC
Tags:
darktortilla formbook xloader
Link:
https://app.any.run/tasks/e52d18ea-76fe-4dc2-acfc-a7e87eaebb3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.29302.13284.UNOFFICIAL
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Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6686cd104a5832d180b6f1f3win10vpnfull_triage
Tags:
Generic Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
vbnet
Link:
https://www.filescan.io/uploads/6686cc6949a1c8306269b85a/reports/2d1e6013-fb5a-4f3f-b3e3-c82f39b35211/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e68701b-cc6b-4a8a-bd6f-549039823027
Result
Threat name:
DarkTortilla, FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1467779
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1467779 Sample: PO._21007438-SCH_30724.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 35 www.ventlikeyoumeanit.com 2->35 37 www.hokivegasslots.club 2->37 39 2 other IPs or domains 2->39 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 11 PO._21007438-SCH_30724.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\...\PO._21007438-SCH_30724.exe.log, ASCII 11->33 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->67 69 Injects a PE file into a foreign processes 11->69 71 Switches to a custom stack to bypass stack traces 11->71 15 PO._21007438-SCH_30724.exe 11->15         started        18 PO._21007438-SCH_30724.exe 11->18         started        20 PO._21007438-SCH_30724.exe 11->20         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 2 other signatures 15->79 22 explorer.exe 27 1 15->22 injected process9 dnsIp10 41 www.discount-fess.space 172.67.128.88, 49718, 80 CLOUDFLARENETUS United States 22->41 43 pixie.porkbun.com 44.227.76.166, 49717, 80 AMAZON-02US United States 22->43 53 System process connects to network (likely due to code injection or exploit) 22->53 55 Uses netsh to modify the Windows network and firewall settings 22->55 26 netsh.exe 22->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 63 Switches to a custom stack to bypass stack traces 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-07-04 16:23:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cx4e3rexyc24ov7y7tajb2ek3p6slvigyjt33ddw7eucjbljghca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:na10 rat spyware stealer trojan
Link:
https://tria.ge/reports/240704-tvs3ns1ene/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/49f94de7-5464-4086-b352-f5cb53e6cdef
Unpacked files
SH256 hash:
1295bd6ca829494652e8300b69aef29665c2d1f7189c12cf0cc87afb506f68c5
MD5 hash:
2cbaa21deb4daf8aa7e69a7ac04a9273
SHA1 hash:
1b3eda3014237407c927fcb7ff0f58f1c35ee2bc
Detections:
FormBook
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win_formbook_g0
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win_formbook_auto
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win_formbook_w0
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Formbook
Create hunting rule
Link:
https://www.unpac.me/results/b1bdd62c-0fba-4856-ae72-7fcf94e68284/
Parent samples :
148da9a63f027b2e7625f0b82b42bc795737b55c46d040af508fdcea2bccad98
15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
2a899ee00e6f2b09c002a3dc271e3ec7d15a7c98b8a3d9500f96dfd7fe941f4a
84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997
a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
a95b0c1b827bdd6ee8bd88cf53606903570c96bca33fe9215ab64b09d1641533
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
Link:
https://www.unpac.me/results/b1bdd62c-0fba-4856-ae72-7fcf94e68284/
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
Link:
https://www.unpac.me/results/b1bdd62c-0fba-4856-ae72-7fcf94e68284/
SH256 hash:
2db82e9b91b1ccb1957b4e06ec49bfb0096e973213fc1786de1bbe3162f5df5a
MD5 hash:
27dea42a70bd7e948f1171ce873878a1
SHA1 hash:
b87051d51479c093cdf3e721acea4fd8b940b1e5
Link:
https://www.unpac.me/results/b1bdd62c-0fba-4856-ae72-7fcf94e68284/
SH256 hash:
15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4
MD5 hash:
b7c5b8e817f1520b433d097c68c71441
SHA1 hash:
3dee3d2ffe1c32d3dcc6d140dbcfa06a55ada781
Link:
https://www.unpac.me/results/b1bdd62c-0fba-4856-ae72-7fcf94e68284/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/15f84dc497c0b5c757f8fcc090e88adbfd25d506c267bd8c76f92824856931c4

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:NET
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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.

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 (GUARD_CF)high

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