MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665
SHA3-384 hash: 2dd861be9028b6535746bbcd9c328d19ed398b7c9bdcfe2ba7e8278f6eb2ef4a8e798c2e50278788c6b65a0829bc4aa4
SHA1 hash: 0e5ca3add0aa5eb1473f5877c56a7c6ef3dbc2c4
MD5 hash: 35670866a876441c4c21dff50da4320c
humanhash: pizza-avocado-harry-solar
File name:INVOICE.exe
Download: download sample
Signature Formbook
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File size:878'080 bytes
First seen:2023-02-09 14:45:42 UTC
Last seen:2023-02-09 17:00:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:xHCtn9BoO/N9SQlQXD5zMROXYsA0WngU1stAWX9JrftK/hM:2tKlMR/NDWXvshM
TLSH T18515F12C2CB4D711D16DC2FD8AA36634E3BF7E93B58AE6190C8271CA1D757E25048D8B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
210
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 14:47:36 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/5d10e232-59ea-4246-8e48-9e508b29fe3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/362852/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.52299.30493.28542.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63e5072e459bcf460400057e/reports/a3fb1adc-a53f-4cfb-8c68-1da902daef57/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba2021c9-a84c-4809-85bb-4ec50c72879f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1170134
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 802924 Sample: INVOICE.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 6 other signatures 2->78 10 INVOICE.exe 7 2->10         started        14 CadFvt.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\Roaming\CadFvt.exe, PE32 10->48 dropped 50 C:\Users\user\...\CadFvt.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\Temp\tmp45E.tmp, XML 10->52 dropped 54 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 10->54 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 10->86 88 Writes to foreign memory regions 10->88 90 Adds a directory exclusion to Windows Defender 10->90 16 RegSvcs.exe 10->16         started        19 RegSvcs.exe 10->19         started        21 powershell.exe 21 10->21         started        27 2 other processes 10->27 92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 96 Injects a PE file into a foreign processes 14->96 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 16->62 64 Maps a DLL or memory area into another process 16->64 66 Sample uses process hollowing technique 16->66 68 Queues an APC in another process (thread injection) 16->68 29 explorer.exe 3 1 16->29 injected 70 Tries to detect virtualization through RDTSC time measurements 19->70 33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        process8 dnsIp9 56 www.aurorashrineclub.com 29->56 58 ghs.googlehosted.com 142.250.180.147, 49723, 80 GOOGLEUS United States 29->58 60 192.168.2.1 unknown unknown 29->60 98 System process connects to network (likely due to code injection or exploit) 29->98 39 raserver.exe 29->39         started        42 cmmon32.exe 29->42         started        signatures10 process11 signatures12 80 Modifies the context of a thread in another process (thread injection) 39->80 82 Maps a DLL or memory area into another process 39->82 84 Tries to detect virtualization through RDTSC time measurements 39->84 44 cmd.exe 1 39->44         started        process13 process14 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-02-09 14:46:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eaaqbocdztgwwh6i6jcv3ywwa2nkmjzlhmwzj2af5zznbc572zsq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cy01 rat spyware stealer trojan
Link:
https://tria.ge/reports/230209-r5amzagb61/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
6a7c79f887ec8dc9771aa0458768d440aa5ac75469b98ffbb14309c7929bb5c3
MD5 hash:
d5fc6aeff3cdc98268ac74ecc3f1ece5
SHA1 hash:
1c0faf18d10741c9166a3f0f9f17dd8e2f1dcdb6
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
Parent samples :
6b5b7952bdd33c6b92105d81a2211e7a2f907b89fd0a76c344db8ded9dc36802
ec86abb9c05eff220edc39d4e7e3975f2432789f9c1f440f19fa47fdeb4671f4
200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665
9cb575e04d0358d14c8799cd77beaabfc776fcc0362cfe74ec3eea240ec1bdb5
80c6293d18c38b686ea6ab60d134247f8d72553be2d20a305b94c78115227667
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
SH256 hash:
aaec28039fef9b83294dec8132a58f5f4c8a50960e6b443f291287e55063cf21
MD5 hash:
ffbc421f992d837e46ded5e25b0f77ff
SHA1 hash:
15ad91bb3201e07a165a9d0a780e32a47e918a90
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
SH256 hash:
bfe27f7906aee4291e1e3dd33ec707339e7d63c56362a9275939048590b157c2
MD5 hash:
3d0a173aa6aedd9ec2b7d7560d750e7d
SHA1 hash:
01d3f62661993e7c5a31514f048ff7fb80b85916
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
SH256 hash:
ca1928815dab12c849a80b22e1de89e4eed580e05d2952c2306083a0845067bf
MD5 hash:
798fca042bec3f68943d7a53152f0aa6
SHA1 hash:
da41ad720f9f68bef9b512dfb70e5773a65936e1
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
SH256 hash:
200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665
MD5 hash:
35670866a876441c4c21dff50da4320c
SHA1 hash:
0e5ca3add0aa5eb1473f5877c56a7c6ef3dbc2c4
Link:
https://www.unpac.me/results/afbfa6a8-13e8-4fa4-92a7-e61c691426e3/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/200100b843cc/report/overview.html
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/200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665

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:Skystars_Malware_Imphash
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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 200100b843cccd6b1fc8f2455de2d6069aa6272b3b2d94e805ee72d08bbfd665

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/362852/

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