MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220
SHA3-384 hash: b84938c661ea055826c23cd34ccd086165c17c1e61db9d57a4b47bc16d1d6adb59b5594fca60c1c6f42904187df03898
SHA1 hash: bc17b7ff856a136c3560a908b4b07e1ebc9bf9b8
MD5 hash: 2cbdb20e34f18dc73a76c4e6f94398cf
humanhash: yankee-rugby-dakota-sweet
File name:25612603.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:824'320 bytes
First seen:2022-06-13 13:31:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:zxBafvIK2iNq2iNq2iNq2iNe0kDY52XG/vSstwVXSN9HQXmZeOn:zqf51I1I1I1AOi4LkXc1Q2rn
Threatray 14'051 similar samples on MalwareBazaar
TLSH T1F0059E81F385ECB9F41726B2586FD42026696E5D80B4C11E269EB61E65F334320FBE4F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 82a2889ca29a9e86 (4 x Formbook, 1 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
25612603.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 22:19:07 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/4ce233af-5f9f-4675-88ff-9165f9a20cdf

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/279428/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Win.Trojan.Generic-9846847-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62a73c8f96efd87b05f63140/reports/40b2a3e6-30d9-447a-a5de-39571728d4f9/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d9b7c61a-206b-442b-99ed-94f5feed9f31
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012101
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644596 Sample: 25612603.pdf.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 43 www.3pot.top 2->43 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 12 other signatures 2->51 11 25612603.pdf.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\WvykwGVniFbL.exe, PE32 11->35 dropped 37 C:\Users\...\WvykwGVniFbL.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp6750.tmp, XML 11->39 dropped 41 C:\Users\user\...\25612603.pdf.exe.log, ASCII 11->41 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 11->53 55 Adds a directory exclusion to Windows Defender 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 25612603.pdf.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 raserver.exe 22->28         started        signatures11 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 12:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=26e5zcol3krukv5l6dbf6kxf4njarr2s7x6owcvp66vrlj7ekiqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0119c8252290ab1c092ee4ab1d9cd18502909207bf3368491b1448a8f7e14513
Formbook
046b8e8b86542500b837c04d771062d242811e2bb96ffc45c6556bd4e3cdea4c
Formbook
13b1055dba2d6d9ff9b2937ca9a051ac5ae3c9faff869d887deff0fdd53bd936
Formbook
4fac64123dd9801541374d8d3bb647ed3f4378890841a7002ea48f3b14ea3872
Formbook
af4af6d4cc42a25c988c490988ad4ab6e0ef229059f110e4535c8148e7fada19
Formbook
bc1b641ded95e09ee28144b98ac38dd352f7a32ae47e9ccb1ea3a7f2e32372e3
Formbook
ef2dd3721941458a0a1c4fdf5971780131c6048c8a51df454b1f52cafbd0eb2e
Formbook
+ 14'041 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oi25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-qsynlacfg6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d9ad45bcbfe603a3be699508002edc692666abb8607437d7287797ebbb20c35c
MD5 hash:
75d51ce06fec59270a87053916934bbb
SHA1 hash:
892b1be0a0937ef4607d705b4e750b36e166e084
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d2c50fc-1044-4401-80cb-bc93aa8a1bbb/
Parent samples :
e4769e3e2b77ecaf145799bbd14fc3ebe7b7032f12f34807c59f59cee8eb063d
e3a24aa140797ba344e0e38ca85a738ce76c906f13492db3fdf982087abde342
cba6f82874cfbafe61ef0cc5491e9d11aa8aba58a4df9b3eb738ceef2da0e828
154fb108d0bed6e3e736e5e00b6a52ac322216ae2053d71ead05f6f71d909f65
4519a9d46f0391eae9853aa7bfba414b8b04a22f6dfbc6b506c9385329c187c8
ff77c6e9dc25a550d8f37600c25b0ad1069e94196cbd2372968b3ad11f47268f
d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220
d060c0c503a5d377c6f8df72835faad2b6172958efa655f04d3b0f074d10d1dc
9120ea8d13a11c171723ddc231be7217f6611b631d98a71254be079cc3e9dfe2
591874c05f745cf6f02c3ab1d420f9edffbda8ca2c967b0d8cbad21a10f3fd09
SH256 hash:
39e8926296c46e156bbbfa5ecf922462886a0254b0e1596b00b51f6fc1317700
MD5 hash:
d4fdd9fa7a439a7d19a9fea8a8dd565f
SHA1 hash:
bdf88d95fd7655bb4504549a23d18e6166c4aa7a
Link:
https://www.unpac.me/results/9d2c50fc-1044-4401-80cb-bc93aa8a1bbb/
SH256 hash:
a570ff9f7df68010e6878c8c9dd0641e48c06a2e4e77855afe4607b4e86126cf
MD5 hash:
4187767de5d3fa73448508f8bb0b746a
SHA1 hash:
0ed83599f72dc8aa86b202b35776ba9060feab3d
Link:
https://www.unpac.me/results/9d2c50fc-1044-4401-80cb-bc93aa8a1bbb/
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/9d2c50fc-1044-4401-80cb-bc93aa8a1bbb/
SH256 hash:
d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220
MD5 hash:
2cbdb20e34f18dc73a76c4e6f94398cf
SHA1 hash:
bc17b7ff856a136c3560a908b4b07e1ebc9bf9b8
Link:
https://www.unpac.me/results/9d2c50fc-1044-4401-80cb-bc93aa8a1bbb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d789dc89cbda/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/d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220

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: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 d789dc89cbdaa34557abf0c25f2ae5e35208c752fdfceb0aaff7ab15a7e45220

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/279428/

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