MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398. 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 5 File information Comments
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SHA256 hash: 92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398
SHA3-384 hash: e0b5fe162d49fdb72273f0036cfd84a009cb7bcf6b94f3265c9f83bd0fedf86d66c8bbeed507cbcf988283783d782f69
SHA1 hash: c2b2a34e7f52d5c173e8982f27783b74347d7e78
MD5 hash: 28993f4b93647dabe6603cbb21a7adb3
humanhash: high-alabama-beryllium-mars
File name:ordem de compra xxx50922 pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:706'560 bytes
First seen:2023-09-19 16:18:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:y06gea2iNP1UF+fSTk+UJtZheVI1m1i65w4BV61RdpNmMEeyxbkN8mZ65+:1Tf1FQUqMhtq75wlpNRBpNcI
Threatray 3'740 similar samples on MalwareBazaar
TLSH T155E4D08463F82B53F8BB7BF5AC71621087B6BC6B6911D14E1D8325CAD532F818E40B27
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)
Reporter abuse_ch
Tags:ESP exe FormBook geo

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ordem de compra xxx50922 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-19 16:45:29 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/0b4511fe-f191-4e59-80aa-10cd9e839dc6

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/449735/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6509c9f832ffdb7a7a0c0dab/reports/d0850e7b-0b4c-4eb3-bd5b-8bf74db784d2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398
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/7bd690cf-e357-4a67-af49-65c207a54373
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310935
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1310935 Sample: ordem_de_compra_xxx50922_pdf.exe Startdate: 19/09/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 9 other signatures 2->74 10 ordem_de_compra_xxx50922_pdf.exe 7 2->10         started        14 nkmcwV.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\Roaming\nkmcwV.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpA797.tmp, XML 10->50 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Writes to foreign memory regions 10->84 86 Allocates memory in foreign processes 10->86 92 2 other signatures 10->92 16 RegSvcs.exe 10->16         started        19 RegSvcs.exe 10->19         started        21 powershell.exe 20 10->21         started        23 schtasks.exe 1 10->23         started        88 Multi AV Scanner detection for dropped file 14->88 90 Machine Learning detection for dropped file 14->90 25 RegSvcs.exe 14->25         started        27 schtasks.exe 1 14->27         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 29 explorer.exe 4 6 16->29 injected 66 Tries to detect virtualization through RDTSC time measurements 19->66 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        process8 dnsIp9 52 www.room-divider-11001.bond 104.247.82.93, 49751, 80 TEAMINTERNET-CA-ASCA Canada 29->52 54 www.zxvxx.cfd 43.129.212.107, 49731, 49749, 80 LILLY-ASUS Japan 29->54 56 10 other IPs or domains 29->56 94 System process connects to network (likely due to code injection or exploit) 29->94 96 Performs DNS queries to domains with low reputation 29->96 39 msdt.exe 29->39         started        42 mstsc.exe 29->42         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 39->76 78 Maps a DLL or memory area into another process 39->78 80 Tries to detect virtualization through RDTSC time measurements 39->80 44 cmd.exe 39->44         started        process13 process14 46 conhost.exe 44->46         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 10:54:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=skib4gx2mhmbraxk67q3yup3ne5nzyiuujhhnhhsgtq22fiqsoma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
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Formbook
04ba024a8e0cefac0f874bb79bf9b256c77e36dc5cfbcb1e3ffa74432b7edd02
Formbook
2a8783a8fa5d2994fdce8d2bce2aeb59434d13534e9f13ccae8de38f72f0798f
Formbook
344b3c764a7075a0cdc2a9cd3f390c6b195fc0601077f68db9e8678a27c0c204
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545922d6a8c2e95e41d555cac8d3fcd44fa562e92ee1de2d11e3bd0860e5a21a
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63b0410652da12f415ba3be83cda769bd268b83000c425f666fbefb4fddbf3be
Formbook
b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
Formbook
e5854984cb78e5ce4bcc31263e290d895b3de4660e87e0f5af115cb9b60b5500
Formbook
+ 3'730 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m0d5 rat spyware stealer trojan
Link:
https://tria.ge/reports/230919-tsg8dscd82/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
edf6b069f10edd627fea8006a8a5a0a876dfe349d75221c6fc6ff1c3a528d3a1
MD5 hash:
abd77d2dee1f4d1273ea12f33ecfea58
SHA1 hash:
db2a87d11f76ea0fd1d5ab6db35f1a0f5a14cda8
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/be71c0f2-8717-49d2-9131-5659ae72c246/
Parent samples :
92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398
42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a
3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
Link:
https://www.unpac.me/results/be71c0f2-8717-49d2-9131-5659ae72c246/
SH256 hash:
0791c765afb2242f4475d6333cd6ef1f422b79df58085a0069c198f5f4042b18
MD5 hash:
c2bbf20a29ac827727ee568d3e878ab3
SHA1 hash:
8ebe6c64c3475b67bd472a5644f2fb4a92bfcaaf
Link:
https://www.unpac.me/results/be71c0f2-8717-49d2-9131-5659ae72c246/
SH256 hash:
784d4e0af30bcca58d54f86b6966e1c147bcc194a99126ebe79538e9084f6d80
MD5 hash:
5caf74e6818e40e82651781613a42425
SHA1 hash:
2a182b1552373e0907bfd03db31120596df994d0
Link:
https://www.unpac.me/results/be71c0f2-8717-49d2-9131-5659ae72c246/
SH256 hash:
92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398
MD5 hash:
28993f4b93647dabe6603cbb21a7adb3
SHA1 hash:
c2b2a34e7f52d5c173e8982f27783b74347d7e78
Link:
https://www.unpac.me/results/be71c0f2-8717-49d2-9131-5659ae72c246/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92901e1afa61/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/92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/449735/

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