MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86
SHA3-384 hash: 566c11ab818e0f686ad8cc167c19962d59a6d0fa1e31bdc52cc95e3f22f3dbc1a92b5d66eb4969c754897fcdba755d9e
SHA1 hash: e8b8a4d51e4a8e76eee9bab1d74684e5d65b8294
MD5 hash: 84ca8eab52cffba95a26159fcba9d1b9
humanhash: gee-burger-charlie-magazine
File name:84ca8eab52cffba95a26159fcba9d1b9
Download: download sample
Signature Formbook
Create hunting rule
File size:568'320 bytes
First seen:2021-06-24 03:12:01 UTC
Last seen:2021-06-24 03:44:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:oeYI3wkFlZI8EAMIntBCx8tFzI+g3fZh36jLOEP:5f3rlrEdEtBCKFc+g3xi1P
Threatray 74 similar samples on MalwareBazaar
TLSH 3BC49C737044D97FE323D87E5809D1A57D936E2618E5A51D22E933BE04B232122FAB1F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84ca8eab52cffba95a26159fcba9d1b9
Verdict:
Suspicious activity
Analysis date:
2021-06-24 03:12:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/87eb920a-4cc6-4574-a359-7fd5df3f6cf5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46528632.25170.1959.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/0dd315d6-e751-4ad2-b7fd-125e3ca6cf9d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807112
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 (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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 439523 Sample: LChWhTlTzq Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 6 other signatures 2->38 8 LChWhTlTzq.exe 5 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 24 C:\Users\user\AppData\...\LChWhTlTzq.exe, PE32 8->24 dropped 26 C:\Users\...\LChWhTlTzq.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\...\LChWhTlTzq.exe.log, ASCII 8->28 dropped 40 Writes to foreign memory regions 8->40 42 Injects a PE file into a foreign processes 8->42 15 LChWhTlTzq.exe 8->15         started        30 www.newpartyaz.com 81.17.18.195, 49745, 80 PLI-ASCH Switzerland 12->30 44 System process connects to network (likely due to code injection or exploit) 12->44 18 cmmon32.exe 12->18         started        file5 signatures6 process7 signatures8 46 Multi AV Scanner detection for dropped file 15->46 48 Machine Learning detection for dropped file 15->48 50 Modifies the context of a thread in another process (thread injection) 15->50 56 2 other signatures 15->56 52 Maps a DLL or memory area into another process 18->52 54 Tries to detect virtualization through RDTSC time measurements 18->54 20 cmd.exe 1 18->20         started        process9 process10 22 conhost.exe 20->22         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-22 12:42:34 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
09668ab48f99635ce9f0daa0c0e15994c2404cbb22ca2c3e23e56c5c0e45215b
Formbook
53592d15fc275a7c603b2c80baf9ca7d3e2f7eebe82ba8eca971ff1c005ab353
Formbook
667cc8470b2505337ba40eef76fc4ecb743b2bfea8081f17df81315afeb9ac35
Formbook
8e79e3ed462ebedbdabbc9462e5448e24a43c70256b3ba5f3575aea25cfac787
Formbook
9d393dc3fda68914e201012280b9eed4fd76c0dd077817c83c9e05cdf5d3cab8
Formbook
a376668a48de6be4c4f85e7abc40fb3806580c2733912c6e400db843e41aa056
Formbook
af8d6e1cfb2a74d49ad657aeec6e68a8ef37c7a59ec0c73c892c33e521f4fb0c
Formbook
d691c2a8c6d1424bb3d39b27fa3712bb0b18e3690a49414b1a5afd602ded9bf7
Formbook
ea356b3d9e31986305af05633f1404882113499d46a0505145a5021d8fcdbc5f
Formbook
f4af46ad96a86cad60d613a3387a0a68c580247ef88943e2ea0e5b9679a38c2e
Formbook
+ 64 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/210624-6ntp23wpha/
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.share-event.info/wlns/
Unpacked files
SH256 hash:
7b9a4e0bc7412bcbce8c159396c738b6299551e8b7b32e1014e415df697ef807
MD5 hash:
e7503fc04b57ceb10ab8d691bede3f56
SHA1 hash:
cdfd50ab760ab2bda8d9c5909d854f7f1e1438f4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/cba30dc2-399f-4e4c-94ff-764546ac4660/
Parent samples :
09668ab48f99635ce9f0daa0c0e15994c2404cbb22ca2c3e23e56c5c0e45215b
331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86
SH256 hash:
9bf88b3dfce9a293fc61d9f874a0606f385d6ba2b12a7f699a0b80f8c85cfa33
MD5 hash:
a41f36b50ed5666a2acee16b56463628
SHA1 hash:
d22efd09ea98a890d7c84491cb95ef4d3e423b9f
Link:
https://www.unpac.me/results/cba30dc2-399f-4e4c-94ff-764546ac4660/
SH256 hash:
d8a0affb1bfb978e9d3074a746c2d7d96de558c00ea3a4dcf74b7b44c258a33c
MD5 hash:
ca966d80e18f08296004edde4b686c82
SHA1 hash:
b6a7c1ea2405c778a470c9fa06787bbd30d88e93
Link:
https://www.unpac.me/results/cba30dc2-399f-4e4c-94ff-764546ac4660/
SH256 hash:
331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86
MD5 hash:
84ca8eab52cffba95a26159fcba9d1b9
SHA1 hash:
e8b8a4d51e4a8e76eee9bab1d74684e5d65b8294
Link:
https://www.unpac.me/results/cba30dc2-399f-4e4c-94ff-764546ac4660/
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/331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393426/
  
URLhaus
https://urlhaus.abuse.ch/url/1393912/

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