MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
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SHA256 hash: 760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
SHA3-384 hash: 47cf130f37a7d2e47d823303a2ff2664338b135ffe68147d1ffbcf6ab0d263f8fd17d1637cd78423d88a0eb5f915e1ae
SHA1 hash: 9388f926f519112cad9bc5d58cb132a50acaf3ae
MD5 hash: c93182a4cf39e6a36f143371cd3cdac1
humanhash: happy-uranus-comet-paris
File name:Audit Confirmation_pdf.exe
Download: download sample
Signature Formbook
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File size:603'136 bytes
First seen:2023-10-22 07:37:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:L8zS55mFzaz4QP5y8YToG7a77FI0LcD8VrdYdQnoc2Z6uj0:Lf55qG4+5y8COm0LYW5YdQnWZ6G
Threatray 114 similar samples on MalwareBazaar
TLSH T154D41204722E4A1BC93997F74D35CED90B360D632862EB8D2EA5329F58FBF485211B47
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f0b2e8f0b0e871 (16 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Audit Confirmation_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 09:50:56 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/6553b528-0214-4e06-8735-0b40e6ce631d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.4178.15763.UNOFFICIAL
Create hunting rule

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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6534d15be3768e7905c5cfe0/reports/3debba28-a506-4766-a736-199fa992fe5d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
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/2cb84ad7-2260-4974-87b6-5134f30104a5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329956
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329956 Sample: Audit_Confirmation_pdf.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 34 www.wuliangysh12.cloud 2->34 36 www.wisewolftdot.online 2->36 38 14 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 11 other signatures 2->48 11 Audit_Confirmation_pdf.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 Audit_Confirmation_pdf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 11 1 14->17 injected process8 dnsIp9 28 www.brynnwpods.com 103.224.212.212, 49724, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->28 30 www.subpaylive.com 103.224.212.216, 49720, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 help.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139/
Threat name:
ByteCode-MSIL.Trojan.Swotter
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Status:
Malicious
First seen:
2023-10-04 03:10:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oygr3v53il2okmtdo6snqnuhao2whd3kcsmi4guovwkfesz2ae4q._file
Verdict:
malicious
Label(s):
formbook
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agenttesla
Create hunting rule
Similar samples:
4af5374d05140e1ebf05625397c061e7e6e6396597399880f903cdda22466875
Formbook
64fdde31e18afd348c0727affafb347f0cd0203ec20268fbea9dcb4cc6d1caa9
Formbook
6ec844914b335f0e27b9f536da5691fcc06e6ecc80d0af8dd7bc3ed8b3ee0a60
Formbook
93f2598fd6e895e67afdd3393a472581f565c8bf43e4c00f883e51fcbc8df315
Formbook
a00ea565f9db4d7b4eeef36c77c6635a84ef610ad73890a2b0bd9852ff6d73f7
Formbook
d1fdb78142a09be2db38f3e704f9cc96649745d1055eef07a702ed674cb4b9ed
Formbook
e3bad3b72d6b9d9572d3c2df6e6e02b08366065d4dca0d65d868c4d7d9ff52c8
Formbook
f98b2fefbfa54e17d684f60629172f5f160259a6041b671f423eefbf0e51f949
Formbook
f9a4e3002fdbcd93464f38fc49bebadbcc0417454c702e8298cf245fc751eee9
Formbook
fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
Formbook
+ 104 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ls02 rat spyware stealer trojan
Link:
https://tria.ge/reports/231022-jgdeysfh77/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
29a16e6f0f8201c5a40a1c2e06e2fccb095047cc571aebf267cfa8dfb5030c18
MD5 hash:
563c987b4a800a13aebae40d0fa04130
SHA1 hash:
fa02b68257f276a0941840d616b05f433018feee
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c8155d42-dcd5-4211-83b5-89be27014e26/
Parent samples :
fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
e3bad3b72d6b9d9572d3c2df6e6e02b08366065d4dca0d65d868c4d7d9ff52c8
760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
93f2598fd6e895e67afdd3393a472581f565c8bf43e4c00f883e51fcbc8df315
12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
b02a464ba1c01240e6855a7ecf96b0c3fcba78767c5f3e09bb03f539eb2639f8
SH256 hash:
3dd04400b23eaa21ece4ebe81e6c3d7ee9545f7d79a2b1d2f32760c818477e11
MD5 hash:
9b0b0454c94937f5e8ed572dea7f768e
SHA1 hash:
f8409b2ff000de906afd65e70092cbaba4a7179a
Link:
https://www.unpac.me/results/c8155d42-dcd5-4211-83b5-89be27014e26/
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/c8155d42-dcd5-4211-83b5-89be27014e26/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/c8155d42-dcd5-4211-83b5-89be27014e26/
SH256 hash:
760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
MD5 hash:
c93182a4cf39e6a36f143371cd3cdac1
SHA1 hash:
9388f926f519112cad9bc5d58cb132a50acaf3ae
Link:
https://www.unpac.me/results/c8155d42-dcd5-4211-83b5-89be27014e26/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/760d1dd7bb42/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/760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139

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:NETexecutableMicrosoft
Create hunting rule
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 760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139

(this sample)

  
Delivery method
Distributed via e-mail attachment

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