MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a
SHA3-384 hash: 324606000383650711ed43230a25da18983193ada10d4bef0789dae3216844bd971cf20ce669c0fc69f6aebbb8bc2cd9
SHA1 hash: 106575d9257054ae91bda23a853f117772e37789
MD5 hash: 98858aead7a9467b23aff17650074f45
humanhash: april-jupiter-sweet-vermont
File name:1.exe
Download: download sample
Signature Formbook
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File size:356'864 bytes
First seen:2021-10-26 04:12:05 UTC
Last seen:2021-10-26 05:17:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:MsuAd1ZPeQfmrdwRkL19W47zZZa0LUfbUD1NwmPb2p7gphAtMgprQ:ppPgwRkLLTzpLCAbnTN/Bg
Threatray 10'907 similar samples on MalwareBazaar
TLSH T1A774120D8BECC335E6FB4B7924AA064502B89015322AF74E1B18B5E94D67311D197FFB
Reporter ankit_anubhav
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200061/
Detection(s):
SecuriteInfo.com.PWS-FCZF98858AEAD7A9.27675.26780.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6177804fa9d585e6d5385eec/reports/7df1344e-7af4-454f-84f1-d8f0023b0330/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75727881-5675-4fb1-8201-b94fe565514b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/876726
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 509159 Sample: 1.exe Startdate: 26/10/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 10 1.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\1.exe.log, ASCII 10->30 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 1.exe 10->14         started        17 1.exe 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.storiedpklnfo.xyz 19->32 34 www.aokmangearbox.com 19->34 36 parkingpage.namecheap.com 198.54.117.215, 49819, 80 NAMECHEAP-NETUS United States 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 48 Performs DNS queries to domains with low reputation 19->48 50 Uses netsh to modify the Windows network and firewall settings 19->50 23 netsh.exe 19->23         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 23->52 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2021-10-26 03:48:57 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ii2cyymjrdz443kpgug2ci2ix2adh2rj2f53no2pnptoalsygkfa._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
125a3d1084a3f13ca811f5fbecdbade8d6e2b2c5d73a686674c6ff244ec99f68
Formbook
2361714a402b085426e5712ff07a8ada008ae9bf76e8ee248cc7ca651c7ac752
Formbook
55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
Formbook
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
Formbook
de2d33fe728754190016e5ed66fe93fc6212884da68f52ace01205fea357ec22
Formbook
e6cb9330e6bbd16bdd58aac76070200e17389a45c4aead703d4ab970038ff8a2
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 10'897 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cr35 rat spyware stealer trojan
Link:
https://tria.ge/reports/211026-es3rrsggg8/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tllyou.com/cr35/
Unpacked files
SH256 hash:
2d96b7958904c0579e2cc69bc39cc4cee8d66476fcc47964bd7cef6996dc1667
MD5 hash:
a8a33d22dc1ca917d7a20d0497a5e303
SHA1 hash:
fb946053ce186c6c3574190f73d05fb40f7024e8
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/444435c6-c3fd-4cf0-b8c1-0f0b43403d9b/
Parent samples :
42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a
e4f478b7cd658cb31bc1192e16ccc1509d552a7229a92fea1a3c6224ee7591a1
177d82d6a53494bf58a577731d6a5c65118677114dedd45176b5d34a559cceb6
SH256 hash:
489a3283e30f239d235d5697c5148a89cae85bc68d1bd8146de57eed893aa2aa
MD5 hash:
f65bc282f789308e4f410ef47c77f096
SHA1 hash:
4a703c28717a54a2481ba1726f07e81315b50238
Link:
https://www.unpac.me/results/444435c6-c3fd-4cf0-b8c1-0f0b43403d9b/
SH256 hash:
a5c2baaf64d2f20666f5d02876e9f5b59d8ec5c538ee82f1711d9d0db3f189e0
MD5 hash:
8ecd3b39d0778503439b9e9dd0475b2d
SHA1 hash:
249f0f11920286ba191592bfaf13a2c0d7cc7ca6
Link:
https://www.unpac.me/results/444435c6-c3fd-4cf0-b8c1-0f0b43403d9b/
SH256 hash:
42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a
MD5 hash:
98858aead7a9467b23aff17650074f45
SHA1 hash:
106575d9257054ae91bda23a853f117772e37789
Link:
https://www.unpac.me/results/444435c6-c3fd-4cf0-b8c1-0f0b43403d9b/
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/42342c618988f3ce6d4f350da12348be8033ea29d17bb6bb4f6be6e02e58328a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Cape
Cape
https://www.capesandbox.com/analysis/200061/

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