MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee. 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 3 File information Comments
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SHA256 hash: 734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee
SHA3-384 hash: 0713f509d9417b5cec4e2077cdf2c713683c1a4dcd22e511088cef75d8699967b3dc0df2ae12affbc487e64d64d9f537
SHA1 hash: 7be76e5ecde0cbf8c3d3a5374e789cf8123b1172
MD5 hash: 046b1bc419c9849276e2c147de77076a
humanhash: batman-neptune-apart-jig
File name:046b1bc419c9849276e2c147de77076a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'026'048 bytes
First seen:2021-12-07 12:44:09 UTC
Last seen:2021-12-07 15:18:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:U8so9yvTohj5dOsY7ev6RZHxHguErsVgb1pW4HWktF:UQK0hj5dODjnAutGb1pW42KF
Threatray 10'039 similar samples on MalwareBazaar
TLSH T12A252302669ECB29DCE0677BF86622720BF1555F9A31E30DEEC13CD75923781C2A1993
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
046b1bc419c9849276e2c147de77076a.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-07 22:27:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0ca48943-5786-4d26-a573-3f63a2999215

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/212136/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.1147.10389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61af575347ed217c01348ebd/reports/8e48c10b-ef69-42df-82b6-e1ececad4a1e/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae23bbea-af54-448d-bf4d-59a75b9db625
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903126
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535606 Sample: uojMQQ2Xca.exe Startdate: 07/12/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 5 other signatures 2->48 9 uojMQQ2Xca.exe 3 2->9         started        process3 file4 30 C:\Users\user\AppData\...\uojMQQ2Xca.exe.log, ASCII 9->30 dropped 50 Uses netstat to query active network connections and open ports 9->50 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 uojMQQ2Xca.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 NETSTAT.EXE 13->16         started        19 explorer.exe 13->19 injected process8 signatures9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 21 explorer.exe 1 145 16->21         started        24 cmd.exe 1 16->24         started        26 explorer.exe 119 16->26         started        process10 dnsIp11 32 192.168.2.1 unknown unknown 21->32 28 conhost.exe 24->28         started        process12
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-07 12:45:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=onf7nxbxiehhqjk7wrqtlvmriztlhhyxcjhpz66cb6yalrkmoxxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1358d88e078f1c59b546256968179bf213928f1e6f4e7afa255681b2cd8f92a2
Formbook
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
2f07775ab256b6bd7dc726fdf62f96728f1b1c2f4b9696f633c81c3f4540f30d
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
6b808cf78989a505d346c7a9e3d8d571cec2c21fe0ef9b3c1f5e04bbad6be3c2
Formbook
7930bf3f1be9acdf429e2433aa7d0c36985d9a97e580571fee1ffe8cbc0d8f5a
Formbook
90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50
Formbook
9619b00c35f4279665c6f8065b8ad590c2af0f5f050f7f02d650934d565f931e
Formbook
+ 10'029 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ay09 rat spyware stealer trojan
Link:
https://tria.ge/reports/211207-py3dascaf7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.zanillar.com/ay09/
Unpacked files
SH256 hash:
48b0cd33fdc53d6282bc1dc653c3e38885a0666b38ed939643d609094c5c069f
MD5 hash:
f43327ad45db81a392e248bb37b9e61c
SHA1 hash:
571e28eb73e90e465877720c682db786daca04b5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ae12dce6-26e2-4e49-a4e3-9d4ec6eed0a8/
SH256 hash:
5b046991145d5a331f7b6142e9ac73ccd512cd06b9566870c13045d76aa85849
MD5 hash:
7407303ba8706cfc893148ee8ec933de
SHA1 hash:
d043e0a3407902d4c37243cb078c3246861231a4
Link:
https://www.unpac.me/results/ae12dce6-26e2-4e49-a4e3-9d4ec6eed0a8/
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
Link:
https://www.unpac.me/results/ae12dce6-26e2-4e49-a4e3-9d4ec6eed0a8/
SH256 hash:
734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee
MD5 hash:
046b1bc419c9849276e2c147de77076a
SHA1 hash:
7be76e5ecde0cbf8c3d3a5374e789cf8123b1172
Link:
https://www.unpac.me/results/ae12dce6-26e2-4e49-a4e3-9d4ec6eed0a8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/734bf6dc3741/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee

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: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.

Web download

Formbook

Executable exe 734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/212136/
  
URLhaus
https://urlhaus.abuse.ch/url/1862570/
  
Delivery method
Distributed via web download

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