MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f. 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 3 File information Comments
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SHA256 hash: ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f
SHA3-384 hash: f6a8c4a7faa93d3d6588eedea8a43004f956cc8721f793c46c2e4c487533acb2ce17bd362b391ab28ec3e30ad11909ce
SHA1 hash: bd26fadf4a0c34d58c5a58eafc6b53a3b4cd60e2
MD5 hash: 6e54bbe0fe1885c5262b5f1e72640a7b
humanhash: earth-kilo-alabama-finch
File name:Quotation_pdf______________.exe
Download: download sample
Signature Formbook
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File size:863'744 bytes
First seen:2021-09-20 04:29:14 UTC
Last seen:2021-09-20 05:46:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yBGiY6HqFuOqGTJPc5ypHAzYr1A+/j1nhOEAk5oLOmtiK5oZfT:yA6KFu8JPc5ov/j1hAFLO+FoV
Threatray 9'377 similar samples on MalwareBazaar
TLSH T1EB05D0202364C66AE1FBF778C422C4718B7EE986A036D95A5DC3D8DA0E35341C51BF2B
File icon (PE):PE icon
dhash icon a6591878d162e41b (9 x AgentTesla, 7 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 04:00:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b4d10a6e-d8b0-427a-8b3e-3c29dae55e77

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/189190/
Detection(s):
SecuriteInfo.com.W32.32ce1c4bEldorado.10065.16407.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the shell\open\command registry branches
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f7e0b6b7-4bcb-43a8-a35e-f402302ff8ab
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853726
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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 signatures2 2 Behavior Graph ID: 486157 Sample: Quotation_pdf______________.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 8 other signatures 2->42 10 Quotation_pdf______________.exe 3 3 2->10         started        process3 file4 28 C:\...\Quotation_pdf______________.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 Quotation_pdf______________.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.qzgay.com 103.124.192.121, 49777, 80 NETEY-AS-APNeteyNetworksLLCHK Hong Kong 17->30 32 www.narccar.com 17->32 34 narccar.com 34.102.136.180, 49784, 80 GOOGLEUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 systray.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-09-20 03:34:39 UTC
AV detection:
7 of 45 (15.56%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vyzqadf5y7gbbkgyntqhoj6icwownjtqpyvekpmznxdby4e55fxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12f92a7d8e9599c69253c73bcf26dd3a1f8887fc397b71c408d9a0ddc22fb520
Formbook
17b08e4418f813543e91ad18ae2e50ecfe40692d9b5dec854e94ec0abbc92b11
Formbook
530f994d0a6cd6632799de5eae17e4cc8b7a522766baec98a871d9611884abba
Formbook
57c14f3c817855d5ba2bfabaade5929697472d2989a8a9bcff46e50ac499a4dc
Formbook
836579ca69ab6a19f5bbda57ab734abb715e0c7d8245ae0a9cb0e1b31b7ef437
Formbook
9e03f772f926c5875d716ee78ba7e6477578a78f63880395b32565bcc09251f3
Formbook
b6e96276c116a1100b52ca6fcb369e22b4faa30bbfd48df68942fae3feffb15e
Formbook
b96965d845c925b8dc0f3e4279ad4e571c1409891fee795bde704c5b1f063ce9
Formbook
c8b5ad6ec571b93bce7b6ae25501d622eb7fda462b02455ff7bd9aaaace29aef
Formbook
+ 9'367 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ajki rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210920-e4t9rsfebp/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.midwestamericanwoman.com/ajki/
Unpacked files
SH256 hash:
a8fedbd8c8a0b308afd57bc4f591019b80826b11ccf9bccbf0fb88bdde0d359c
MD5 hash:
f948d27d8c6a18aee0db5748db6c8068
SHA1 hash:
94aa66929acbd9268a80cac53fd89000e46d8f9b
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/8c9a65c8-ee9e-4d15-a94e-d2fe8e09b4fc/
Parent samples :
12f92a7d8e9599c69253c73bcf26dd3a1f8887fc397b71c408d9a0ddc22fb520
57c14f3c817855d5ba2bfabaade5929697472d2989a8a9bcff46e50ac499a4dc
c8b5ad6ec571b93bce7b6ae25501d622eb7fda462b02455ff7bd9aaaace29aef
17b08e4418f813543e91ad18ae2e50ecfe40692d9b5dec854e94ec0abbc92b11
5da4f819e28c2b5e768a01c4c5010f0a335a86120ddb412583a2cd716bf95356
ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f
05cc84b514af3890b82bbb8645e6f2ffd63782852f7ec8f00632cae804e7b443
137bbdb0a6a00a9167dff5cb670ec17aab82ae50392e12b1cdb6a08110d75285
b8393904a1a29cd147d934194b13fd0565dfd123b3868126386437536f15a0b4
SH256 hash:
e27b5c243445d3391b4da5148719b2c94cbb189d2c091f5275bb496835018559
MD5 hash:
ef74c402ffede33f9740f5f5523f6a48
SHA1 hash:
cfeec047b82b9f375d606627a7a75c2d58ba4b7b
Link:
https://www.unpac.me/results/8c9a65c8-ee9e-4d15-a94e-d2fe8e09b4fc/
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/8c9a65c8-ee9e-4d15-a94e-d2fe8e09b4fc/
SH256 hash:
4ac1bb4f6497a130ca08e4ab2f9e9a5f83f0d2380791bfdcc4aadacb54dc0d2e
MD5 hash:
d61504348bb929ee33982f3f97be69b9
SHA1 hash:
6f2382aaefed18533476f98075fe88d3f95293f6
Link:
https://www.unpac.me/results/8c9a65c8-ee9e-4d15-a94e-d2fe8e09b4fc/
SH256 hash:
ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f
MD5 hash:
6e54bbe0fe1885c5262b5f1e72640a7b
SHA1 hash:
bd26fadf4a0c34d58c5a58eafc6b53a3b4cd60e2
Link:
https://www.unpac.me/results/8c9a65c8-ee9e-4d15-a94e-d2fe8e09b4fc/
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/ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f

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
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Rule name:pe_imphash
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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 ae33000cbdc7cc10a8d86ce07727c8159d66a6707e2a453d996dc61c709de96f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189190/

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