MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d. 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 1
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SHA256 hash: fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d
SHA3-384 hash: cf69b295fb490ccea4e3a9bbeaa2fab3a1780431fb1736db22d8f3188f943e4868e624c1eb1a4accea3a78e254abb752
SHA1 hash: d85a1f9be1d2ed1434440c002b276b88e08131bf
MD5 hash: 41568942a27e81c66ef8b9f0dd0721c9
humanhash: black-yellow-echo-aspen
File name:41568942a27e81c66ef8b9f0dd0721c9
Download: download sample
Signature Formbook
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File size:934'912 bytes
First seen:2022-09-23 07:22:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:9mm8NGa4EW1HX15g+2FhvPZkl6Es+LVhIG3ypM+Me4d9LdIrKFUEyLZTe9LugVL1:9GMa1kHXoFpPZkl+2MpMDtQW
TLSH T1BB15AE6A36956A8FC017DD7A89D4DDB0A7656C23A21BC24392C70C5FF44EAD6CF103A2
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)
File icon (PE):PE icon
dhash icon f0ccb2f0e8f0ccf0 (12 x Formbook, 8 x AgentTesla, 8 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-09-23 15:42:02 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/8c7c06e4-a697-4bf2-9de2-179f4af420e5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312539/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3126.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/632d5f5236ba812561b0ecb7/reports/f6e41cef-8ae3-4a49-8aca-8e89a9035fc6/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bec21217-0c47-4994-860d-3a50883c12bf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1075750
Signature
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
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 708289 Sample: vELGkSUKUm.exe Startdate: 23/09/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 5 other signatures 2->42 10 vELGkSUKUm.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\vELGkSUKUm.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 vELGkSUKUm.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.bmwoemwarehouse.com 54.147.83.84, 49702, 80 AMAZON-AESUS United States 17->32 34 www.bestfortherest.icu 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-22 09:10:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=737g37i6rfleocmnnphbh5i5e4end2cwassqf7iztdklhcr4ef6q._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:sde7 rat spyware stealer trojan
Link:
https://tria.ge/reports/220923-h7s3nahdgm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fe757f2e-2fb5-460e-b523-67856c8457cb
Unpacked files
SH256 hash:
dccfca6371f33fce0a17f34046e15d784ee179745c933c007a2c34d2dd3b201c
MD5 hash:
bb9c1f0ba47e5d9d20071ad2c310c6cf
SHA1 hash:
27b7434b6a48031729687558baf173d52c40b3c4
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
Parent samples :
f2a0159fafd3bdbe6b457f8f724e142c8cfd9cb0eb02b508729cc7e3c42cf593
fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d
SH256 hash:
938a73d280adb8323861f906c35e701596b544db985748c6c1d6c6d42bb4fbba
MD5 hash:
ec760602c32873d6589c176892e42503
SHA1 hash:
f09192cf9f021092354135cf228acf650f74881a
Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
SH256 hash:
16a3e31065d8690f0777193205fbad7977a74fb5f16f344e2f6c59840858948a
MD5 hash:
3ac5a3392e8a28c639706ff7daf07a8d
SHA1 hash:
cf71b618d0a48d534c84fd6e22c5136cb5b9439a
Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
SH256 hash:
fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d
MD5 hash:
41568942a27e81c66ef8b9f0dd0721c9
SHA1 hash:
d85a1f9be1d2ed1434440c002b276b88e08131bf
Link:
https://www.unpac.me/results/46b8e7fd-912e-4882-887b-dbe3f133115d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fefe6dfd1e89/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d

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 fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2312091/
Cape
Cape
https://www.capesandbox.com/analysis/312539/

Comments


Avatar
zbet commented on 2022-09-23 07:22:43 UTC

url : hxxp://107.172.61.141/390/vbc.exe