MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments 1
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SHA256 hash: 4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
SHA3-384 hash: 58f12fb1b702342fd78affec87499f5a9c22079c1d9fdeb4dcf6438ccba72ef28baae5c31741aca861648862d2339ae7
SHA1 hash: a608e418ac64e446c74ca39afcd4c96ad61f91b2
MD5 hash: 208f3d72fa3a1bdd4d42db659a7cd736
humanhash: fix-bulldog-two-utah
File name:208f3d72fa3a1bdd4d42db659a7cd736
Download: download sample
Signature Formbook
Create hunting rule
File size:470'016 bytes
First seen:2022-06-14 16:10:53 UTC
Last seen:2022-06-14 16:45:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:dcBafvIlzpH/LTFcpKi+1eUsz3JWykKoSEm9leSpL+:dnf6zBfqoi+1Ve3JC233ekL
TLSH T1BCA413E337F90764D7E95BB4462344900739765F9B3EE70DA84961EC0B3AF4A8281B63
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Quotation #20220613-0012.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-13 22:30:23 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/517e9893-4fe5-46f3-b3a3-3c3c3ecc09cb

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/279890/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33881.8289.3042.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a8b35773b91c38f68e83a9/reports/f2bcc85f-f4c7-45ea-a0f1-ffcf5e327983/overview
Result
Verdict:
MALICIOUS
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/3d5235ee-019e-49d6-977e-241390b1ac1a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013084
Signature
Antivirus / Scanner detection for submitted sample
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 signatures2 2 Behavior Graph ID: 645580 Sample: 70cHWKSsUO Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 10 70cHWKSsUO.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\70cHWKSsUO.exe.log, ASCII 10->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 70cHWKSsUO.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.nemitchel.com 185.53.179.174, 49817, 80 TEAMINTERNET-ASDE Germany 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 16:45:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jeymh5nhsxx5utmxfu2ksbnm3b6wwqwoppjlezjema4qzokgieta._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:v05y rat spyware stealer trojan
Link:
https://tria.ge/reports/220614-tmxqwsbfa9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/f477f1f2-7eb0-4dc8-ad88-e8e393e37f5d/
SH256 hash:
499a84771776d95b1bede786c7fafe9f43a4ee2cddb958d5da044d90192383ae
MD5 hash:
8998637559e0536346f9784bcf4507e5
SHA1 hash:
ade3ffd291ad80fb21224d78dfd61e5d31ca9b2b
Link:
https://www.unpac.me/results/f477f1f2-7eb0-4dc8-ad88-e8e393e37f5d/
SH256 hash:
e8013d25eb47dbeba4f58e5a85a6b47a81d8008f155eda3aa375225dd60249ae
MD5 hash:
f18ac1d3b53121bd6c16a706e59d0e32
SHA1 hash:
f6e0770e0472e08cc0d3b483473a38fa62240a07
Link:
https://www.unpac.me/results/f477f1f2-7eb0-4dc8-ad88-e8e393e37f5d/
SH256 hash:
aa9395a32411b61c7d13fc95a27bf035add9f4e09e8e82f99a0c3e4a962bf0bf
MD5 hash:
a127a3c4f8240f81c76e3fa52ce2428a
SHA1 hash:
9c9bb9eb34e321cbfe3937ae2e25a832d214cbb4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/f477f1f2-7eb0-4dc8-ad88-e8e393e37f5d/
Parent samples :
da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
eeabe3129e3e52ef1f5fe98b73c375ee55ea1163ba441421234951f514fd1d89
b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
SH256 hash:
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
MD5 hash:
208f3d72fa3a1bdd4d42db659a7cd736
SHA1 hash:
a608e418ac64e446c74ca39afcd4c96ad61f91b2
Link:
https://www.unpac.me/results/f477f1f2-7eb0-4dc8-ad88-e8e393e37f5d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4930c3f5a795/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/4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2237840/
Cape
Cape
https://www.capesandbox.com/analysis/279890/

Comments


Avatar
zbet commented on 2022-06-14 16:10:54 UTC

url : hxxp://63.141.237.165/230/vbc.exe