MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
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SHA256 hash: d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee
SHA3-384 hash: aa89e5e3a006da8b6e11cccd65801e0cae09767b886e91e0c496da69c15e76c40bed61aa97a73f3210c5468a46f8953e
SHA1 hash: 71a4d2a168e145f139f01de55b503326806cc90e
MD5 hash: ebc51bbd7e14666608b0dcf933fe4984
humanhash: wyoming-moon-july-california
File name:ebc51bbd7e14666608b0dcf933fe4984
Download: download sample
Signature Formbook
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File size:769'024 bytes
First seen:2022-08-01 13:05:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kAH2iNSg6SKlpx9mMXSaoyvez566Ns4YxgJvJuj0QyeLGG7iHh:kU1SLlpxw4LKxK4vJBQ2G7iH
TLSH T10EF4E092E2692F97C1221BF5AC2480541B7AB39F517CD6092DFEB8EBA0367C35552F03
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295594/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e7cfcbbcf76fcb6cd84434/reports/d73b9926-7d4f-48d1-8e7b-5bfdef7b03b1/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/2a3b0fb5-96bd-41c0-9145-e8d496144ef7
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1044170
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 676665 Sample: dWLUV57F4M Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 33 www.wellbeingnl.online 2->33 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 8 other signatures 2->47 11 dWLUV57F4M.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\dWLUV57F4M.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 dWLUV57F4M.exe 11->15         started        18 dWLUV57F4M.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 35 readymabile.solar 212.129.38.40, 49700, 80 OnlineSASFR France 20->35 37 td-balancer-199-15-163-128.wixdns.net 199.15.163.128, 49699, 80 INNOVATIVE-NETWORKSUS United States 20->37 39 12 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2022-08-01 12:54:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2cm6iksmqze74a42wuwh6r42ghujojbpeenaylqhhlvpcl6ngtxa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:a62i rat spyware stealer trojan
Link:
https://tria.ge/reports/220801-qb3k8ageb9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
2c0220f0592b109778c39d45acb2213d68eceb634f5bef4d71e2d3fb81f42044
MD5 hash:
60277db7ce97c7e1f8f34387f0a2b834
SHA1 hash:
281d52b525165da6e56882565f38af3e8cb40305
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
Parent samples :
231d94bc2d507343290f505b4ef945d10b57c7ac49a777a4c331418b3e513727
20127add0e752f2611eb3c21047f0c14a38d23738bcdc2e15794b5e8bdbd5f65
d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee
SH256 hash:
cb149a6cd9d5dd2e0041ae8f39ec8653c6328763a2a3096055d1e5c56e2f92ab
MD5 hash:
bab2c068e49526ca4ba46cd19940f534
SHA1 hash:
05cd718877aed83234d52d5374d4e164fc28f677
Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
SH256 hash:
c6cbacfae75e222bace3c981dc3401164edfe597a00349f2cf40a5825ef4cf22
MD5 hash:
5bed26bfaaed4bd321d7cd4b2a6fd0d0
SHA1 hash:
d1a7e5c321b3fb9780ecb2e7c8997821eb174adf
Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
SH256 hash:
d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee
MD5 hash:
ebc51bbd7e14666608b0dcf933fe4984
SHA1 hash:
71a4d2a168e145f139f01de55b503326806cc90e
Link:
https://www.unpac.me/results/1bc3716d-e08a-435f-9a0d-3e67a1aeb628/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d099e42a4c86/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/d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee

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.

Web download

Formbook

Executable exe d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2263572/
Cape
Cape
https://www.capesandbox.com/analysis/295594/

Comments


Avatar
zbet commented on 2022-08-01 13:05:56 UTC

url : hxxp://192.3.110.133/110/vbc.exe