MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292. 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: 59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292
SHA3-384 hash: fafd2b05592aa305f7091113e6bcc4d30211dc1b1b9a8ab5da9ba615086f32b883e21cff97bfd67765a8f7f18fcffd1f
SHA1 hash: e281ca9e97411f4f6d06ab3b2d2063756f41b208
MD5 hash: ee954111b4ad4b1e461aae0947fd5aee
humanhash: ink-twelve-king-vegan
File name:WLjquyyH2pW92E4.exe
Download: download sample
Signature Formbook
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File size:717'312 bytes
First seen:2022-07-19 11:53:30 UTC
Last seen:2022-07-19 12:50:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:BNCWb2gb3IU3SBAsQyUOA/rncuIYP0YMA0tl89PrO3LTlaFlSNS:BsO90Asj1d0PqM83LTlaQS
TLSH T100E423533A74CF18D57D0BF7742184A163F1A7853023DBADAE8071EE6A2270A4B65E37
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/291856/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.2428.306.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d69b99ef2b0e63a825fb21/reports/2e0f85a5-5729-44b8-9441-b6784070dd85/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/9def9a1d-22d3-448a-acc3-654ff8b94d18
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036476
Signature
C2 URLs / IPs found in 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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668970 Sample: WLjquyyH2pW92E4.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 31 www.doubleaacleaninginc.com 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AntiVM3 2->43 45 5 other signatures 2->45 11 WLjquyyH2pW92E4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\WLjquyyH2pW92E4.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 WLjquyyH2pW92E4.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 1 15->18 injected process9 dnsIp10 33 www.kramerausen.com 63.250.41.173, 49813, 80 NAMECHEAP-NETUS United States 18->33 35 inlive.club 8.218.22.201, 49816, 49817, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 18->35 37 www.inlive.club 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cscript.exe 1 13 18->22         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 22->49 51 Tries to harvest and steal browser information (history, passwords, etc) 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 2 other signatures 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-19 11:10:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lejtgzbrrm57tpdxh3g46rlteo34ourwj6lu54hjwsru3ker6kja._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220719-n2vl7acgbn/
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
5613d98eafaa6e20c577b05d7be0a8a00f25e5de5ad109f68f92e5495a616539
MD5 hash:
5b48a8456f796adf5bd23ad688bc041f
SHA1 hash:
2634ff0833dd50b544e7c8deeed2e42c6fe3b795
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
Parent samples :
27ef35c90367b8bd42a5d68e93cd132c1ce8a7b0ba6a73e0447b016da8c4ddd6
f5bd22b640c54cfd5212278977ebe0af67805288b5f2ac3da25f220cbbf59615
59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292
7b0c587adcf84f4edfbf4c48287e9d327fda44caa4ede0975d9d0e66d938bec0
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
SH256 hash:
f6d1cda2efe2622064025631b2a1ee8e5bdc057798de203ed5841916e662b4a1
MD5 hash:
fb7cc194309b03e66b160fe20f371762
SHA1 hash:
7b6fe95b9b6af1328d43ef9fff27919d807b9c47
Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
SH256 hash:
31b3a87a71e4a840a0b9d60769ce941f7ae2d09ed29a8ec34b095c4597ad5660
MD5 hash:
f14ff72f7c4a8040027e97165d667722
SHA1 hash:
588081c72d00daa3f32f684855ab02d29dbc60b7
Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
SH256 hash:
f846bcdddb1e2fae1fd2bdd67e5395f8c811be47593f0b52769ea31ba5df421a
MD5 hash:
3ee24651b0c04ce1b8a31316dd1da73d
SHA1 hash:
0f6b24858faed5d5c9633f81db85edcc98e525b0
Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
SH256 hash:
59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292
MD5 hash:
ee954111b4ad4b1e461aae0947fd5aee
SHA1 hash:
e281ca9e97411f4f6d06ab3b2d2063756f41b208
Link:
https://www.unpac.me/results/8ecea844-8337-479b-8e60-6bc472ef2d25/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/59133364318b/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/59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292

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 59133364318b3bf9bc773ecdcf457323b7c752364f974ef0e9b4a34da891f292

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291856/

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