MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
SHA3-384 hash: c1643578794ad9bedb940c02a171487e6df8b8674ae7bd5ef8bb9f2b69f473a8d719a3595a8fed85956e37ee0f6d3cdb
SHA1 hash: 5d51805704c257b1a0887d98ecaa931ed145236c
MD5 hash: 225ad98e8b5bf987925ab31d0d8446ed
humanhash: washington-single-xray-spaghetti
File name:Cost Inquiry.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:716'288 bytes
First seen:2021-10-04 06:30:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:oSbQ+X8+UiDLbRHah6UNvq7SlQk7LefaWEvVqBlkjK444iqGBcxTb:XbQ+X8+UiDLbRHah6UM7SbkmvilcK44W
Threatray 9'870 similar samples on MalwareBazaar
TLSH T1C3E49D54F11CD2B9FD0922B1257DFCC829F82EA8143DF91BBA97B1E264B9E3154B0193
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cost Inquiry.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 06:32:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/e19c5cc0-725f-4f1a-a935-be321a07c60e

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/194438/
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.13267.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c2fc4b95458900cdc6428/reports/f9e20ca2-f1da-433d-8dbe-22609202ef63/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c20613ef-027a-42c3-afcb-30fedbd7129d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863671
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
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: 496099 Sample: Cost Inquiry.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 31 www.arpdomestic.com 2->31 33 arpdomestic.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 Cost Inquiry.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Cost Inquiry.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Cost Inquiry.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.blog-x-history.top 104.21.79.137, 49843, 80 CLOUDFLARENETUS United States 18->35 37 tameka-stewart.com 184.168.131.241, 49826, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->37 39 7 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wscript.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-30 14:54:00 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cunmoouuba22ucdlgtvuu2hqvdgvuesgel47ifz2ebzm7uoj5wba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1076b9efbc0e135c85f1228253f9a1d2f35f4fd49c70d290de72808f72bd56eb
Formbook
2728dc98fdebc00823b877eba49ace782c17db8a07074634aafca9dc00277776
Formbook
387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
Formbook
4633bc441c059884886be83a8733f355d933b58db80f81c0a56404bceadf9667
Formbook
64c00be3d0bc5f000ee6d2d6d49e72c9e9f36090f19b7f9620ff0993a0e84025
Formbook
695b006f3b83048d47ea1fcae9d7cbacac8f82b4f3d2908ca20f06788e8b3b92
Formbook
978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741
Formbook
9cbd20f7dfa4e57fa2adcf34f86c5e2a04b36e346493995d6c9ef85c3960eeb7
Formbook
c18d5baf727358a8635a51fc7cfb4c3f4c90c78abcecf051feb4540323e98746
Formbook
c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45
Formbook
+ 9'860 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b5ce loader rat suricata
Link:
https://tria.ge/reports/211004-g92xxagaem/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.rheilea.com/b5ce/
Unpacked files
SH256 hash:
142d782507a3a68a4d1dea29e52f0699923a9c2b09803813a91087fd28557389
MD5 hash:
c10bac73d5f73b68877844c80e799670
SHA1 hash:
3c07ba2b4c7896264925e18f2c46eae383238b9c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
Parent samples :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 hash:
6a0a5df74ce440150d59d8f9ce8972ccfdac38595b27f281acb2b1ad63df8ffd
MD5 hash:
471fde3c4bc8fb1b3595a007889aec28
SHA1 hash:
d877714779fbb119378a8ae32714f4430eed7d2b
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
SH256 hash:
36516dfa253a94fe3ee1afe70ce609fa6c10ba9ddf9b8ee5c2501e0993a12f04
MD5 hash:
90326efd52ee9df09e2c00e76880f710
SHA1 hash:
7ffb76dff032d4089e1f73de2d72bd45107e2ec7
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
SH256 hash:
151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
MD5 hash:
225ad98e8b5bf987925ab31d0d8446ed
SHA1 hash:
5d51805704c257b1a0887d98ecaa931ed145236c
Link:
https://www.unpac.me/results/aaa36e1b-9ccd-40e1-8b6b-c519fd87740c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82

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
Create hunting rule
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.

Malspam

Formbook

Executable exe 151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194438/

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