MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0
SHA3-384 hash: 280cc9aa8c9d951af0828b356d9f4c552c478b2a8318206d5795e8822b6bc0a22bd3da6132ee1da92f8f95e04ad93417
SHA1 hash: d233a9e2dcb36efe97a39baab7d189f5f6fa5341
MD5 hash: 77689dd1a12ebd625fc7c76f1b5e2a06
humanhash: louisiana-butter-network-fruit
File name:Inv.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:681'984 bytes
First seen:2021-03-15 12:52:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e6095481db3a45a77668e0e52fd9865d (1 x Loki, 1 x Formbook)
ssdeep 12288:SRQsgWttPd/m8PucXWKKNGmOgJj2CEjtoHPoYquXu6bqdWvnzDQMrfVNRla28aJ:SRQsgWttPd/bPylfAlOHku5HrjB8aJ
Threatray 4'199 similar samples on MalwareBazaar
TLSH 5DE4DF2138F1C073D173B1B05DB8D6A18A7DB8300A7586DF67D4163DAF709C1AB266AB
Reporter malwarelabnet
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inv.exe
Verdict:
Malicious activity
Analysis date:
2021-03-15 13:32:30 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c5560c25-c1dd-4c96-9549-b2bb5b3846a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.LokiBot-9804427-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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/d12bd6dd-c72f-4b8a-b19a-5e193b1e6564
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/639442
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 368696 Sample: Inv.exe Startdate: 15/03/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 6 other signatures 2->41 10 Inv.exe 2->10         started        process3 signatures4 49 Maps a DLL or memory area into another process 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 13 Inv.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.nationshiphop.com 16->27 29 www.nairobi-paris.com 16->29 31 5 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 systray.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-12-01 05:54:39 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kscvzot7vu6kjl5hur4ciwkm7doin2tthzbhuxf53wu4fhei72ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1eb8543fda2c6d7e0bd287d692f8e63743729278f4f08b66cd00d987a68c4b7a
Formbook
2f28bd2f3a4cc60e79d788f54365946926716720bc1c636ea5284bb02b952613
Formbook
6b44ff9b8963adb4cd20ea744317da9774bc1bb90f2c9692419ee28d38740826
Formbook
79ac15a85cee536ae9a4efc1b0191bc87f43f774307f4bd0d36196ceaa096f87
Formbook
801e939e0d3085f2381ef566d8dc90653eef76be368a865cb249b0eb2bb1b869
Formbook
95432d34acb3db62d167b6ca78cf9e1f4508e692f1f4f124278dc07c552f4445
Formbook
b79273545da050a53a38855e56afc06bce2cefe78fad1ccb36a8616b2950b1a0
Formbook
bab1afa3cdf4c5c73be8b2890a43ac43ed1b4f3d14d1726323dc1c38a572f335
Formbook
be170809e4230261e4a1be5ed4a3fd90108240f4f6c3a3151e2b14bfdeac89f6
Formbook
e972280a082b78255426343527eb04b724122122cbea086ee5c55958d90ba138
Formbook
+ 4'189 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/210315-7fnqjgkqfj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.nationshiphop.com/hko6/
Unpacked files
SH256 hash:
263a48f576b7798c89574796a7257c441ce60783c93023af8aff28088e0b47a0
MD5 hash:
594b2ddb2e6517ba02461b7c1673ebc3
SHA1 hash:
e44bd722d458fa1a32c97529cb4633987e220581
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8310d2fb-1b6f-4444-939f-7fd6d39c3138/
Parent samples :
16a895e73a1fa9260fdc42786d134cadbfd8936365e2f550322f45f08307186e
b79273545da050a53a38855e56afc06bce2cefe78fad1ccb36a8616b2950b1a0
3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de
74fe23fdb7b12b785e1e6db24dba0536deec51ddac1edbd53a0211b68672628b
be170809e4230261e4a1be5ed4a3fd90108240f4f6c3a3151e2b14bfdeac89f6
95432d34acb3db62d167b6ca78cf9e1f4508e692f1f4f124278dc07c552f4445
6c3fe63b8dd66c9dbbc62c341fde2ad3524b944f45734cb56b2f16b7638a62a7
bab1afa3cdf4c5c73be8b2890a43ac43ed1b4f3d14d1726323dc1c38a572f335
801e939e0d3085f2381ef566d8dc90653eef76be368a865cb249b0eb2bb1b869
2d5d89747431e9003471e77e757e6c2d3310cbcac7451c1bb8389d0744543e6f
1eb8543fda2c6d7e0bd287d692f8e63743729278f4f08b66cd00d987a68c4b7a
e972280a082b78255426343527eb04b724122122cbea086ee5c55958d90ba138
9161b2162e26e06de573d2314ef3d6cec389bfc240c33a9bce7f5b1e13c7b703
ee8ac19b40be65306741e69e41cc3768e469fedd9a55b8a1ff3a24723f6fd6da
6c63e68f6d116d78c115e15d1c1bdaeb1064cb562de15c4f5d46142e637f26e3
ca035ce2804aff96e07142ecb344766e2fca568af3b5b01f60d7886225d7cd49
54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0
SH256 hash:
54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0
MD5 hash:
77689dd1a12ebd625fc7c76f1b5e2a06
SHA1 hash:
d233a9e2dcb36efe97a39baab7d189f5f6fa5341
Link:
https://www.unpac.me/results/8310d2fb-1b6f-4444-939f-7fd6d39c3138/
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/54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0

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

File information

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

Comments