MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589
SHA3-384 hash: 5157784c286b25e450cbaca810a6e7c1a897f8e362a45379c72d303705761566bd718d6bee383e3845049a35434ee4f9
SHA1 hash: 17cecdf921417f42eb7583ee834d2be36f6c4c45
MD5 hash: 97a3aa2b0a6e0a26fca4db32eaaec5ef
humanhash: georgia-green-carpet-solar
File name:97a3aa2b0a6e0a26fca4db32eaaec5ef
Download: download sample
Signature Formbook
Create hunting rule
File size:532'992 bytes
First seen:2021-06-29 15:24:51 UTC
Last seen:2021-06-29 15:46:04 UTC
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:h3xpngho1u5bVNT2tDUQE1LcLtbm3wmZqNEZAMOjLG9P:h3xjtDwLQtbJm8WZ+MP
Threatray 6'110 similar samples on MalwareBazaar
TLSH D2B4DF2231A98EBBE2171C764C1E91B224966D345415E50E726F334F1AF236613EFB2F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
97a3aa2b0a6e0a26fca4db32eaaec5ef
Verdict:
Malicious activity
Analysis date:
2021-06-29 15:26:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/68187517-2041-4944-9449-6e5a0becda93

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/168782/
Detection(s):
SecuriteInfo.com.Variant.Bulz.540201.22208.24031.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f2a966d-17e3-4cc0-8c59-4fc4157b46a3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809501
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441912 Sample: lZB4VDSCzC Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 7 other signatures 2->50 9 lZB4VDSCzC.exe 5 2->9         started        process3 file4 26 C:\Users\user\AppData\...\lZB4VDSCzC.exe, PE32 9->26 dropped 28 C:\Users\...\lZB4VDSCzC.exe:Zone.Identifier, ASCII 9->28 dropped 30 C:\Users\user\AppData\...\lZB4VDSCzC.exe.log, ASCII 9->30 dropped 52 Writes to foreign memory regions 9->52 54 Injects a PE file into a foreign processes 9->54 13 lZB4VDSCzC.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 2 other signatures 13->62 16 explorer.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        32 leadingmindsllc.net 160.153.136.3, 49726, 80 GODADDY-AMSDE United States 19->32 34 www.leadingmindsllc.net 19->34 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-29 15:25:13 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
432b598b280c8d89802ab7b26e239e9a779048e48704087f3a347962554ec144
Formbook
68fd922afd4b980e00af527f2e2d6bbeed59ec1508c089370d64081a5532f3f2
Formbook
818b8b831f3c774e034e2794f1eae71f62f5388355916e948b472cfdac7f5508
Formbook
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
b4f47edd7bcf80737a4174a355498524f8725ddaab8237c41d85ae1b7e91db06
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d26002db103997db131096ea22189a0f4f2a5a17fea7d100796d5148f1815447
Formbook
d869fa27fd5d5a229609f218572f1625820cb8176ba6c1616714e40d4e6b7897
Formbook
+ 6'100 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210629-b1mkyf3z7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.hai96.com/lvno/
Unpacked files
SH256 hash:
7de004bdab6a4a8912d182e30147feaf0287ae0b96eefca51ce40f61e6623e0a
MD5 hash:
6bc985d34b5b808156fb1b59dac39b55
SHA1 hash:
282d6ca56c5e4a9660065d1b88ae3c749607a68a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ca08d564-b624-4460-b2c3-3912e55288e7/
Parent samples :
d26002db103997db131096ea22189a0f4f2a5a17fea7d100796d5148f1815447
432b598b280c8d89802ab7b26e239e9a779048e48704087f3a347962554ec144
e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589
ed1c8e0943e3e4877bc1732debf2c109ebe42dd4f88023db3b85246f25906601
SH256 hash:
30a2e327d35925046a01340b10928342538eaada0727cdd4ecbc12e26e1fc61f
MD5 hash:
9e917b054380ee1e90fd150a7548491b
SHA1 hash:
cf8c27785a1a821d8e7c490bd6405f2982a16d51
Link:
https://www.unpac.me/results/ca08d564-b624-4460-b2c3-3912e55288e7/
SH256 hash:
dfee67aafd19d26f6dd0c3ad80bf89b4b4bc17f02437301d24ddaf1f175fbf7a
MD5 hash:
3a6ffa003a4461899bec2643876e61c0
SHA1 hash:
afe0a7a2bebf6c4c699205e49fdd4d829734c75a
Link:
https://www.unpac.me/results/ca08d564-b624-4460-b2c3-3912e55288e7/
SH256 hash:
e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589
MD5 hash:
97a3aa2b0a6e0a26fca4db32eaaec5ef
SHA1 hash:
17cecdf921417f42eb7583ee834d2be36f6c4c45
Link:
https://www.unpac.me/results/ca08d564-b624-4460-b2c3-3912e55288e7/
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/e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168782/
  
URLhaus
https://urlhaus.abuse.ch/url/1412982/

Comments