MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63. 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 4 File information Comments 1
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SHA256 hash: 79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63
SHA3-384 hash: d78dbaf1f2bd9cb50575adaf7786d03afffe001971135dda5e2fd31139b05ce4f9a725c34b7bb8853d68006344a8cd9a
SHA1 hash: 6b57a1a8b631aec165b1127812f0597d7217a908
MD5 hash: 1a5a3499e1084209818c39bb289a3f5e
humanhash: violet-nineteen-hamper-cardinal
File name:1a5a3499e1084209818c39bb289a3f5e
Download: download sample
Signature Formbook
Create hunting rule
File size:30'208 bytes
First seen:2022-06-15 11:18:28 UTC
Last seen:2022-06-15 12:05:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:gbMCNf7ojFYwQ7XvLWRgcL0ST8iNxy2W:gbMsm7oWRgcL9HNxvW
TLSH T115D2CF2BF3948A2ADE7217751E7343014B78B8528C26DB6F6480954B7E263E10AC7BB5
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)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SWIFT transfer USD 87,271.03.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-15 09:58:18 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/fe2fb043-edcf-42ed-b353-83aebfb9b3c2

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/280138/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.8246.237.16389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/62a9c0668763ffd4adc80ed7/reports/d69c3faf-548c-4e3d-b7e8-228ecbf15d36/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/aeffcefd-14dc-4c51-b102-a30389e7bca2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013608
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
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 dropped file
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
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646100 Sample: 8BgYfkkfOx Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 49 www-bing-com.dual-a-0001.a-msedge.net 2->49 51 time.windows.com 2->51 53 dual-a-0001.dc-msedge.net 2->53 67 Snort IDS alert for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 9 other signatures 2->73 11 8BgYfkkfOx.exe 15 7 2->11         started        signatures3 process4 dnsIp5 57 toesbv.ga 192.185.174.189, 49770, 80 UNIFIEDLAYER-AS-1US United States 11->57 43 C:\Users\user\AppData\Roaming\...behaviorgraphrewnkh.exe, PE32 11->43 dropped 45 C:\Users\user\...behaviorgraphrewnkh.exe:Zone.Identifier, ASCII 11->45 dropped 47 C:\Users\user\AppData\...\8BgYfkkfOx.exe.log, ASCII 11->47 dropped 75 Creates an undocumented autostart registry key 11->75 16 MSBuild.exe 11->16         started        19 cmd.exe 1 11->19         started        21 powershell.exe 15 11->21         started        file6 signatures7 process8 signatures9 59 Modifies the context of a thread in another process (thread injection) 16->59 61 Maps a DLL or memory area into another process 16->61 63 Sample uses process hollowing technique 16->63 65 2 other signatures 16->65 23 explorer.exe 16->23 injected 25 conhost.exe 19->25         started        27 timeout.exe 1 19->27         started        29 conhost.exe 21->29         started        process10 process11 31 msiexec.exe 23->31         started        signatures12 77 Modifies the context of a thread in another process (thread injection) 31->77 79 Maps a DLL or memory area into another process 31->79 34 explorer.exe 1 111 31->34         started        37 cmd.exe 1 31->37         started        39 explorer.exe 31->39         started        process13 dnsIp14 55 192.168.2.1 unknown unknown 34->55 41 conhost.exe 37->41         started        process15
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 11:04:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=phqv3qanqicwaurc2u45cqj4vqv4lf3do5bqc55murinfrweznrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220615-net25seahn/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63
MD5 hash:
1a5a3499e1084209818c39bb289a3f5e
SHA1 hash:
6b57a1a8b631aec165b1127812f0597d7217a908
Link:
https://www.unpac.me/results/180578df-8b5a-4209-91b7-64005c391221/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/79e15dc00d82/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 79e15dc00d8205605222d539d1413cac2bc5976377430177aca450d2c6c4cb63

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239052/
Cape
Cape
https://www.capesandbox.com/analysis/280138/

Comments


Avatar
zbet commented on 2022-06-15 11:18:36 UTC

url : hxxp://104.168.32.14/o/uox.exe