MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
SHA3-384 hash: 0eb0e38260d3b773c0540e52c41ba1f30ecd33e9f90f6e18b4fd570873d7566f1b58324f51a5fc434e7cb7c52fb0584b
SHA1 hash: b6bee167e2785945f9997ac0c6203963c85894c4
MD5 hash: b47cf656e1d8997f78702f1b5c34743c
humanhash: apart-carolina-bravo-bakerloo
File name:PO 2224467-Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:674'816 bytes
First seen:2022-04-01 08:40:34 UTC
Last seen:2022-04-01 10:13:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Wnw/tifTLDbGQnsVyIXMymCZ1/T94prpK1tWv2sMbEngXrCk1diJzD9g:HtCTLDbGSWy6bmY9Arad2gXrCk1dYm
Threatray 13'726 similar samples on MalwareBazaar
TLSH T12FE423397AB848ABCBBF47F49892581053B9D702BAA5D7489C9530FD58E33D10E813B3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39407576.20584.3998.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6246baa09253b276b7bdc9af/reports/deaf9091-afdf-4a1d-9252-94b29206c42d/overview
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/1473c064-5a63-4417-8eb2-05309ad55e9c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/968845
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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: 601334 Sample: PO 2224467-Pdf.exe Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 43 www.thesmokecircle.com 2->43 45 parkingpage.namecheap.com 2->45 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 11 other signatures 2->57 11 PO 2224467-Pdf.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\XlDjppSvhO.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp8FDB.tmp, XML 11->39 dropped 41 C:\Users\user\...\PO 2224467-Pdf.exe.log, ASCII 11->41 dropped 61 Adds a directory exclusion to Windows Defender 11->61 15 PO 2224467-Pdf.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 mibesto803.com 66.235.200.147, 49727, 80 CLOUDFLARENETUS United States 22->47 49 www.mibesto803.com 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 30 colorcpl.exe 22->30         started        signatures11 process12 signatures13 63 Self deletion via cmd delete 30->63 65 Modifies the context of a thread in another process (thread injection) 30->65 67 Maps a DLL or memory area into another process 30->67 69 Tries to detect virtualization through RDTSC time measurements 30->69 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-01 08:41:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj6tpiyjarzfvarhovt4gc5a7znuihnnnwdnjcx4hkku5d6326hq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
Formbook
0a08e1464585333f5b4cb67d2150a488119fa971a878ad87c277197dbb453b93
Formbook
198a4a7609ba35046466d687d1c79c8ff4dcb0818ab256b1715a3677d23eba9c
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
Formbook
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
Formbook
c0f665918f4ea75327960ddf58cf37e415a6bf6569a4c22aa6291fbac9d171ce
Formbook
d1f436b64d16179e0491d6f691c305b31f05d69a446045dcca7dd3f388559ac5
Formbook
+ 13'716 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:o0i7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220401-klez1shbc7/
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0dd9623e53597656bf225ec182197137b77b54f475f386f57b563ea9d2f7d243
MD5 hash:
d81057c81549d2d721394f92d36dc407
SHA1 hash:
77405f30b5b7a678b2f23b65ee5805c5e31ae031
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0d2095ac-bdfd-485f-9950-e4f07fbf313d/
Parent samples :
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
41573d104263a727eca5295cd59bf91c93d2a24ddb024d84f97244bc120036e2
81626ff8f2f5eb89a55ac197d51ab0d35c33e0607c9fd2a7077ac834a1a5c926
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
044dd751a59cd849c84966a8ec5a6f65435cbd39af7696029a3ef2583819d1f4
SH256 hash:
b5a3db1e072b0632714e73532bcd739d2b252500b39e4423e643bc66661b97d0
MD5 hash:
144c85bd853a71effb53e633f13f21ad
SHA1 hash:
62f61accf4d6368d05b23a03ee268a0389945e07
Link:
https://www.unpac.me/results/0d2095ac-bdfd-485f-9950-e4f07fbf313d/
SH256 hash:
10939d80356c5ff50cfb6eae9b3d28e6fd167a538ac50d5cf63c8502f7aac333
MD5 hash:
f16ec2c47e35c641c72feee80b5f144d
SHA1 hash:
37f41e48a0a3708cf8ab4ddedca8bd348b0006fb
Link:
https://www.unpac.me/results/0d2095ac-bdfd-485f-9950-e4f07fbf313d/
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
Link:
https://www.unpac.me/results/0d2095ac-bdfd-485f-9950-e4f07fbf313d/
SH256 hash:
ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
MD5 hash:
b47cf656e1d8997f78702f1b5c34743c
SHA1 hash:
b6bee167e2785945f9997ac0c6203963c85894c4
Link:
https://www.unpac.me/results/0d2095ac-bdfd-485f-9950-e4f07fbf313d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ca7d37a30904/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/ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f

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
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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 ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments