MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037. 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: e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037
SHA3-384 hash: 5a10d0c010633b40ca4bd177be4ef64e0eaa46944e6c5be5fb623ffccd50358135eca627a57c15fb0bacc1ba1ad57480
SHA1 hash: e6243aee5180c010464fefb9adba2f6369a3d345
MD5 hash: 0cd67eb934ba91045650fee0b4ffed72
humanhash: november-triple-avocado-two
File name:RFQ-003451980.exe
Download: download sample
Signature Formbook
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File size:810'496 bytes
First seen:2023-03-24 07:39:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:oE1BQcmeV91Es5UFKl+8GaxFOz0W5s5RMOZG6:owmeL1lcd/o7RTZb
Threatray 2'436 similar samples on MalwareBazaar
TLSH T1F005E044DE664E36F8D5E7B41060277A07A8B7A11072C6488BF968DA3DDFF630AD094F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:exe FormBook RFQ

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
RFQ-003451980.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 07:41:32 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/99024ea8-1fd3-484e-9d35-cbc376b5bc29

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/377041/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/641d53d46ed02dd52de531a9/reports/ec547b26-a04c-4f73-94f4-3a11c9e560a7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037
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/cc94c846-f6d1-451f-828a-c0445f14324d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1201033
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 833938 Sample: RFQ-003451980.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 32 www.donnaranjo.com 2->32 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 6 other signatures 2->48 11 RFQ-003451980.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\RFQ-003451980.exe.log, ASCII 11->30 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 15 RFQ-003451980.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 1 15->18 injected process9 dnsIp10 34 www.qfwbcyyumnpqcidr.com 103.54.73.52, 80 EHOSTIDC-AS-KREHOSTICTKR Korea Republic of 18->34 36 www.essiacfromusa.com 3.64.163.50, 49700, 80 AMAZON-02US United States 18->36 50 System process connects to network (likely due to code injection or exploit) 18->50 22 explorer.exe 12 18->22         started        signatures11 process12 dnsIp13 38 www.qfwbcyyumnpqcidr.com 22->38 40 192.168.2.1 unknown unknown 22->40 52 System process connects to network (likely due to code injection or exploit) 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-03-24 03:01:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4gadespdgjstdde7qbw3a6mtivy64vockvhaahhoauf6uwpama3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0802394968eda97506836e12c3deb32af74ad1ffcc86b22e4d654d10b865241c
Formbook
296abb33b7337fa594b7a28aaa0793ff1e7218b97974fe1764a0773f8962fbdd
Formbook
2fb0a24e905687a5443fbe50d21033e4318da3275260bd82d016a9af346bb09b
Formbook
3130fe0040aca5135a6c22251a313fcaca05c404082727d8191545fccfcd3a02
Formbook
686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486
Formbook
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
Formbook
ae1f2c8fd75695601dbe0f3b3fd00922495add9f623a81c0989c0fd17f10776b
Formbook
c1b6263682ff4c894af9df16a4f6c63bcd49248f2a580b3a3c86012d44388437
Formbook
d81949804bc29604ac2de2ac9f2d360deae54a39d28edfbc9b323868b619b059
Formbook
+ 2'426 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:h4fa rat spyware stealer trojan
Link:
https://tria.ge/reports/230324-jhjclach92/
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
Unpacked files
SH256 hash:
2616ba9efe3a7b621b3bcc1f9dbf3f8aa9a4855818edfed81130263b730338a9
MD5 hash:
36c14e946eeb48c7852d6b59b60c8250
SHA1 hash:
1df5f909053f0c4fb532644c77a5a2cdc5e418c0
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
SH256 hash:
18d3a9f550c5e68f6d8a004dc13cad7276f5a49499c6685c97c7a20b09c4a567
MD5 hash:
9bdd253e6f1e512e1e945a54a3fd91c7
SHA1 hash:
f80d3dd0ffaea485d0f599fa15ffd61501c3672c
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
SH256 hash:
b4502945904276bee2d3e9afbcb8bb3e2b8b5ef9b4741cdc43140733dd99c4a3
MD5 hash:
586ed148e092130048fbb2c661da490d
SHA1 hash:
c5df22063d716b14314fe3286dbc48a9f7ad21d6
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
cde0d3400cd787fce5d1b95fa52908d64831430cc90dafddbaa79ae0d03bb3d0
MD5 hash:
06a5bc1d3143bcac174d81c5ffc09def
SHA1 hash:
650fb4549fb98ee4c7be5e03bf670241e6339cd0
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
SH256 hash:
e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037
MD5 hash:
0cd67eb934ba91045650fee0b4ffed72
SHA1 hash:
e6243aee5180c010464fefb9adba2f6369a3d345
Link:
https://www.unpac.me/results/44375213-f61e-4eae-afb5-446c7629943c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1803249e332/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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

xz ca0509fa76c36ebde7f059f872329178eb2b1307971424c5b3cb33e3242a2e6f

Formbook

Executable exe e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ca0509fa76c36ebde7f059f872329178eb2b1307971424c5b3cb33e3242a2e6f
Cape
Cape
https://www.capesandbox.com/analysis/377041/
  
Dropped by
MD5 0b27578b9d4dcac099786e0018af101f

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