MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596. 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 4 File information Comments
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SHA256 hash: 89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596
SHA3-384 hash: d6ffebe075ac7e5a96ad889b1796d9bf81cd59330f7330792dbb959c5922db0ac90e9f5fc75898593fb6aff3c04d6daa
SHA1 hash: c1259ec9f29890ea520faa81c2b10ffe61add985
MD5 hash: 641b93249d87d4a7c59d4896a61a29cd
humanhash: illinois-uniform-uniform-floor
File name:Urgent-N65.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:572'928 bytes
First seen:2023-10-12 13:03:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:VXICvof8kZTYRFm6YCrkEitIq+fX7qk8AVyiI:VXICvof8SMR8ZUeIq+v7sqw
Threatray 75 similar samples on MalwareBazaar
TLSH T187C42352B6A45A3FCD9F67F2F4C2596B0BF167022878E25E8CDA30E6A5F136008C5527
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)
File icon (PE):PE icon
dhash icon 04c0e0ecc8c4c408 (9 x AgentTesla, 2 x Loki, 2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
298
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Urgent-N65.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-12 13:05:05 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/47404671-9ef1-4548-becc-600bc9c52a35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/453832/
Detection(s):
Porcupine.Malware.58887.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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6527ee883b921285dcdd5bfb/reports/5243eee5-be3f-4dc1-8c12-51d495005e80/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab03702c-4723-4c68-bf49-352ba1c56a7a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324688
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
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 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
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324688 Sample: Urgent-N65.pdf.exe Startdate: 12/10/2023 Architecture: WINDOWS Score: 100 36 www.zakbyajklqrra.top 2->36 38 www.vozandvalor.com 2->38 40 10 other IPs or domains 2->40 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 11 Urgent-N65.pdf.exe 3 2->11         started        signatures3 process4 signatures5 60 Tries to detect virtualization through RDTSC time measurements 11->60 14 Urgent-N65.pdf.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 8 1 14->17 injected process8 dnsIp9 30 www.deinservice.com 104.247.81.52, 49749, 80 TEAMINTERNET-CA-ASCA Canada 17->30 32 alveomx.com 89.116.53.26, 49748, 80 LRTC-ASLT Lithuania 17->32 34 3 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses netstat to query active network connections and open ports 17->44 21 NETSTAT.EXE 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-12 06:10:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rg6pd73yh2mymmzm23pl4x7f6qsehfiyw5ry6vvygisudjda6wla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
091982de7843b6d35b392a9526b3abf94b6a89a0455fa3f1ff1a18ab823c307d
Formbook
21307a94578848433a9094880976aa423ae638d1167dffd489ae45a693d6f29a
Formbook
475adab8c1638c6f1c930d1a6e9715f7728052fb76407c5393b24adc2884c3f1
Formbook
56cb155038e669d3008542380999cc6679800ece2b258cab31ff838e6df4415e
Formbook
63ed0ac5ef8a514cfe2d1dbb716ab354a07b770c62826978ba2a012905bcde9d
Formbook
810af925d95b0578d0051b1c49ed2a708c6b8057445794020382560315e611df
Formbook
cba91ca10ce9ec62e5785a3f2004655540054a281cb76a4fce46b56441b2a119
Formbook
d9d565e9b9e237c235020f85d6d4b0cbb4cb50754bba20bd277547eb64bf5d25
Formbook
dd6ae006c63102e72e6b73cd95097bb427fcafe3900e9d83d8864e51aa6b07a9
Formbook
fe465130b6af14e63941b2f3651918699e38533bd14b6c319a550d671358b253
Formbook
+ 65 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fw02 rat spyware stealer trojan
Link:
https://tria.ge/reports/231012-qaccmsba7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
79141dc4011f6a59e87b4b27ba057c5f3e476edc8a924e1eedb2bda903f7f887
MD5 hash:
d0c94653d4abc0aa6af3d23389f76fe1
SHA1 hash:
234b1e5b5d4530c3b20cf68b87d10be38ebee3ab
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/138c6b6b-c019-4328-909a-047f7757dec6/
Parent samples :
89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596
fa8b2e6ab78a1b6cb804a7125624b693a9271e19a6091737534d1f471c7762c6
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/138c6b6b-c019-4328-909a-047f7757dec6/
SH256 hash:
ffabc13f7fad5bea21ab9b04b5c04700394db8ec812f01af098dfbd213b0cded
MD5 hash:
bb95d7e54d7271723c25cf89f5bc63fc
SHA1 hash:
c00a879d8c2bf1d1600387eee96b70f53fa53a39
Link:
https://www.unpac.me/results/138c6b6b-c019-4328-909a-047f7757dec6/
SH256 hash:
ebcc8191ed0f63352fec92ffe127e583f4598715aca596894272f7b0dd2ed831
MD5 hash:
88ee25a128c4215a230626b85ce0e21a
SHA1 hash:
a8c6084b1ef5599e4488866c939fa803434143f6
Link:
https://www.unpac.me/results/138c6b6b-c019-4328-909a-047f7757dec6/
SH256 hash:
89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596
MD5 hash:
641b93249d87d4a7c59d4896a61a29cd
SHA1 hash:
c1259ec9f29890ea520faa81c2b10ffe61add985
Link:
https://www.unpac.me/results/138c6b6b-c019-4328-909a-047f7757dec6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89bcf1ff783e/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/89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596

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
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

File information

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

Malspam

Formbook

Executable exe 89bcf1ff783e9986332cd6debe5fe5f424439518b7638f56b8322541a460f596

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/453832/

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