MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528
SHA3-384 hash: 0b54cf3a686fb78591332db051e4b3e258bd7f9b59395036ce2e9606a65cd002610162ecca827fd83217e596d129b440
SHA1 hash: b8b50f075d3d40cdc985d9194e0a07ed02902430
MD5 hash: 85e629089a26685855c717904a5b8611
humanhash: fish-delta-leopard-princess
File name:purchas.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:847'360 bytes
First seen:2022-04-12 01:40:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:+80WVrVp+Yq9ztZas7nWqz7WDvmwWq9IaMqgRTs599Ho3Rxap0+TINJCkghDo/ti:8b73WK+Ia4AbIBWTFLX
TLSH T1F0051250E2EEECD5D81B4378A876A91816BBFF5E152CEA012DF674DEA0323C22455D0F
File icon (PE):PE icon
dhash icon bab0f1ecccce9e98 (17 x Formbook, 4 x SnakeKeylogger, 4 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
purchas.exe
Verdict:
Malicious activity
Analysis date:
2022-04-12 02:00:46 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/29e11026-861a-4ee1-9cf5-192c4b7a3358

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/262823/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.UNOFFICIAL
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Win.Trojan.Generic-9938653-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6254d8af482f2f41ca9c98f6/reports/3e55fa91-4c30-49d7-ab00-da6a65228d94/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/5181b286-275a-4b65-825b-5aacba1a7cb2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974985
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 607472 Sample: purchas.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 32 www.jjshomefurniture.com 2->32 34 shops.myshopify.com 2->34 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 15 other signatures 2->52 11 purchas.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\purchas.exe.log, ASCII 11->30 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 purchas.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 36 www.galabet472.com 185.162.228.3, 49828, 80 UKFASTGB Denmark 18->36 38 indianfood101.com 156.67.74.113, 80 TESONETLT United States 18->38 40 8 other IPs or domains 18->40 54 System process connects to network (likely due to code injection or exploit) 18->54 22 rundll32.exe 12 18->22         started        signatures11 process12 dnsIp13 42 www.indianfood101.com 22->42 44 indianfood101.com 22->44 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 2 other signatures 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-11 22:00:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pfmmhbhkq2xoeqe35gjg5z4srhwj6npfnjsk26gqbib3ewq7wuua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:d1n3 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220412-b34j9sdbck/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7b67f368c4fd94831894849ec9fa44cd97947d04ed7793bcc95786b1cd0a53b8
MD5 hash:
c377124183d9f07def0b0610f1b61af3
SHA1 hash:
948a9c900e1bf72aeea33a1b31e534863dd74c6a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8df31e38-e9d1-417d-9d50-8fda3d706ff9/
Parent samples :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 hash:
007694272e71c5aa5e99bee9e6f9a48bd591a5f1d84f7e4d82b86d32570815b0
MD5 hash:
df10f342c5a36206cae9c53f0fbda9dd
SHA1 hash:
fc0e8645a7ed3fe8eb6a6ec45e34753baa2b1461
Link:
https://www.unpac.me/results/8df31e38-e9d1-417d-9d50-8fda3d706ff9/
SH256 hash:
ea46665dfb21c251e7a387f083c28190f31b845c96585bf75eef6b2bcedbcc41
MD5 hash:
b28c6a5d493d2851e7fd5a522e85b933
SHA1 hash:
a3a22ceb00180f24650da831339216fb09f39f01
Link:
https://www.unpac.me/results/8df31e38-e9d1-417d-9d50-8fda3d706ff9/
SH256 hash:
ff81a4eb5929f29416f0ad32b622fa178de8b7644056de7564a93dadf2e33311
MD5 hash:
64ebcf4d65ad697505fe41d7f2c91321
SHA1 hash:
892834a666452c0a5ec3c34173b26e6db68b345e
Link:
https://www.unpac.me/results/8df31e38-e9d1-417d-9d50-8fda3d706ff9/
SH256 hash:
7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528
MD5 hash:
85e629089a26685855c717904a5b8611
SHA1 hash:
b8b50f075d3d40cdc985d9194e0a07ed02902430
Link:
https://www.unpac.me/results/8df31e38-e9d1-417d-9d50-8fda3d706ff9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7958c384ea86/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528

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.

Malspam

Formbook

Executable exe 7958c384ea86aee2409be9926ee79289ec9f35e56a64ad78d00a03b25a1fb528

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/262823/

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