MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f
SHA3-384 hash: b445687a03da0b8eb8597abf1eb4a56ef708443e44c9b772537d376f32e20e453efb9168898967ec3ce09f91a858f454
SHA1 hash: 2aca440ff5261d2f4914e05959cc8c651803d188
MD5 hash: 972606ad36a62878c7662aa18d22aa64
humanhash: london-whiskey-hot-island
File name:DHLDOC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:451'072 bytes
First seen:2022-01-13 06:55:58 UTC
Last seen:2022-01-13 08:32:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:T9OWrDwjDrcYbicF/M7qSLn/i3sSAIpM5gsiXdIdUFVQce6IsgDQW0CKo/r7HxH9:YWPonXPMWmKcQCGJXUUTHtU7/fNVhh
Threatray 12'693 similar samples on MalwareBazaar
TLSH T145A4F1213BB9578BE97F47B91E30E1004BB2BC5A6911D60E6CC276CD4BB27424B21F63
Reporter cocaman
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHLDOC.exe
Verdict:
Malicious activity
Analysis date:
2022-01-13 06:58:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9a82c046-859b-4440-a18a-cbe2d8a889b7

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/218929/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1157.24090.15436.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61dfcd08e997359713e48fad/reports/df8ae8ab-5537-43ba-b18a-cf03100da0e5/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c1ccb70-3eb9-4587-adce-8344fca1ac01
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/919851
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
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: 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: 552325 Sample: DHLDOC.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 34 www.hype-clicks.com 2->34 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 11 DHLDOC.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\DHLDOC.exe.log, ASCII 11->32 dropped 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 15 DHLDOC.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 signatures10 42 System process connects to network (likely due to code injection or exploit) 18->42 21 rundll32.exe 18->21         started        process11 signatures12 52 Self deletion via cmd delete 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 24 explorer.exe 3 150 21->24         started        28 cmd.exe 1 21->28         started        process13 dnsIp14 36 themakeupline.com 46.23.69.44, 49876, 80 UK2NET-ASGB United Kingdom 24->36 38 www.sa-chan401.com 202.233.66.123, 49851, 80 U-NETSURFUNIADEXLTDJP Japan 24->38 40 30 other IPs or domains 24->40 60 System process connects to network (likely due to code injection or exploit) 24->60 30 conhost.exe 28->30         started        signatures15 process16
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 06:56:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zetxk6ocwra2txjfemldbtdivjsu7vqbllkjdpezgpvwjzsrtjxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ec8f5c2a626d9484af9532ed48a5b7482fc0dcdab074d8545ac8e4454c68a89
Formbook
459c86bf11535b9d62c895a6677a5eb40d8f0cf3136477e5da746045bf3fb6a3
Formbook
589713496bc1f527bbccff193646a94b310124f01cd15b36f633a8b7d6686fb3
Formbook
6bd5fda97afe76f3d6cc66ffac1350e77256315e151364355af9ee6d56be8ebf
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
76d73723ac1e30fad92d7f3fdbb0a87c1d8854ad4e7d3d728805a3f26843085c
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
b4d5b93e0fcadfdffbaa261a8992cf3c5f9d5f4f49cebe85963b09d2bbaa225c
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
e6fc8bbf9d585429d28269af4f4626388f2451f57f714797dcdaee31f0b089f9
Formbook
+ 12'683 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uite loader rat suricata
Link:
https://tria.ge/reports/220113-hqcz4sgchm/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6d39134d457d00d17fec5f84b0f74f834905a7560f773f24bb8dc54e17d9f8a0
MD5 hash:
21b339e5ef478e9614db60a3b5a6f5fa
SHA1 hash:
aba3829920798352b13117edcdfd6d18d2d3f658
Link:
https://www.unpac.me/results/ca1dacaf-2f1f-4942-b354-6a97b460f2b9/
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
Link:
https://www.unpac.me/results/ca1dacaf-2f1f-4942-b354-6a97b460f2b9/
SH256 hash:
f05c06604cc582010ceae93b62a628378b5dac81afde261d1f520afcdf19cc59
MD5 hash:
cbaf9a05e0f74f456eeaaca7b9f5703f
SHA1 hash:
dded0c10d3ebaf8d33fbf4f13c3ebe0749e36bbd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ca1dacaf-2f1f-4942-b354-6a97b460f2b9/
Parent samples :
c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f
b82e745ba015a055a095def48d56427a11d88ba4faddfa5bb46b1afbddb71511
0450f9017a4e7556c6bbfa5e69363ed935e11fa47efff5755b172103b3b59892
098e2e5d1fa98d106c36ed3e7e1e632afd7ae0e10442fa0dabf2f6ed8c9c18b5
517377e9b25075808b1192b4e85e09b19b739c1af884f5d87903cc2a7ca311e8
1b27ec5bcc09aeb96de7c80607af4b006dfd412c997e2d69f9f653504b7ddb89
SH256 hash:
c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f
MD5 hash:
972606ad36a62878c7662aa18d22aa64
SHA1 hash:
2aca440ff5261d2f4914e05959cc8c651803d188
Link:
https://www.unpac.me/results/ca1dacaf-2f1f-4942-b354-6a97b460f2b9/
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/c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

ace 4aaadbc01cbdf6c3cf232a04653c09f27c173e430651a9f4923c863bd6edd867

Formbook

Executable exe c9277579c2b441a9dd25231630cc68aa654fd6015ad491bc9933eb64e6519a6f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4aaadbc01cbdf6c3cf232a04653c09f27c173e430651a9f4923c863bd6edd867
Cape
Cape
https://www.capesandbox.com/analysis/218929/

Comments