MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5. 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
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SHA256 hash: 12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
SHA3-384 hash: 94ce58122aa635b899b30cb832f799b4e1ed602baefefe9e5bdc55927506e44cbe36bea99689106919cd81307c7f10c8
SHA1 hash: 0510dd7909764f8a44e2c9f290fd61f6f57eb011
MD5 hash: 1f46639a92ebaee74c4e79074646a99c
humanhash: mobile-don-gee-angel
File name:INVOICE REVIEW_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:559'616 bytes
First seen:2023-10-31 06:52:01 UTC
Last seen:2023-10-31 08:40:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:XUR61zoalGY8gmq6BRr621/AP3w0OuOV25PV0SIGHN:XUR6xeUgr6uw3w0z5P6e
Threatray 157 similar samples on MalwareBazaar
TLSH T122C4231017F4C37AD06EEBB1A5B2055BABB15276B141FF094EA2B8D43DB7FC289901E1
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 08b266ca84c862b4 (6 x AgentTesla, 6 x Formbook, 4 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457258/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6540a44f0ca0b0185171a696/reports/e5405da4-83c5-4eb3-8a4e-415cdecf39a4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a1dd775b-21c6-426d-a858-44067d29a18b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334677
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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
System process connects to network (likely due to code injection or exploit)
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: 1334677 Sample: INVOICE_REVIEW_pdf.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 34 www.wisewolftdot.online 2->34 36 www.stannesnstyrrellspass.com 2->36 38 5 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 11 other signatures 2->48 11 INVOICE_REVIEW_pdf.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 INVOICE_REVIEW_pdf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 3 1 14->17 injected process8 dnsIp9 28 perezzuriagaarquitecto.com 81.88.53.101, 49745, 80 REGISTER-ASIT Italy 17->28 30 wisewolftdot.online 195.35.38.22, 49742, 80 MTSRU Germany 17->30 32 www.stannesnstyrrellspass.com 79.170.242.64, 49746, 80 LEASEWEB-NL-AMS-01NetherlandsNL Ireland 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 help.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-10-31 06:53:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ci3b2r2sj7ra5pfgkxnsbfcwik2t6n6ohcxhhravzwrobseboosq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
32290d3a44ccd56a41469cda2bd09d79dde405d398b76705c0de70faede87bc1
Formbook
760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
Formbook
93bc82b99ec0339576f7f93e026ee2dc33b8bdddd99b2addca44e5cbde6b59f8
Formbook
93f2598fd6e895e67afdd3393a472581f565c8bf43e4c00f883e51fcbc8df315
Formbook
982a9a52e532bbfe52941c4ab95c2899c1af75e9a3eee2b1977e3f49e8a3e71e
Formbook
a40c92a00ca0f04cd04883d555859cf2c8e884a01329defd3631c7cc61204ff8
Formbook
c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
Formbook
e3bad3b72d6b9d9572d3c2df6e6e02b08366065d4dca0d65d868c4d7d9ff52c8
Formbook
fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
Formbook
+ 147 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ls02 rat spyware stealer trojan
Link:
https://tria.ge/reports/231031-hm4nnahb4v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
29a16e6f0f8201c5a40a1c2e06e2fccb095047cc571aebf267cfa8dfb5030c18
MD5 hash:
563c987b4a800a13aebae40d0fa04130
SHA1 hash:
fa02b68257f276a0941840d616b05f433018feee
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1852d83f-f784-4ef0-87ee-d74a4ffc896a/
Parent samples :
fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
e3bad3b72d6b9d9572d3c2df6e6e02b08366065d4dca0d65d868c4d7d9ff52c8
760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
93f2598fd6e895e67afdd3393a472581f565c8bf43e4c00f883e51fcbc8df315
12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
b02a464ba1c01240e6855a7ecf96b0c3fcba78767c5f3e09bb03f539eb2639f8
SH256 hash:
23abfe40d4b0086d39fb754703f82021c52d11201bd82d7599a7ddfc4928b7d1
MD5 hash:
6103e4058854cfb69fa5a5a7c3e57089
SHA1 hash:
f15bbbb04cedd3ecd72a2a1b21c11c517650058d
Link:
https://www.unpac.me/results/1852d83f-f784-4ef0-87ee-d74a4ffc896a/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/1852d83f-f784-4ef0-87ee-d74a4ffc896a/
SH256 hash:
cf6a79ce2d263bff930ac18b3a77a798172be5ae4647ee4e76fb3343c54da077
MD5 hash:
1829c5f433a5a84a021547f98dd153a1
SHA1 hash:
e1ab2145400671200b84f7158180ef6fa64498ea
Link:
https://www.unpac.me/results/1852d83f-f784-4ef0-87ee-d74a4ffc896a/
SH256 hash:
12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5
MD5 hash:
1f46639a92ebaee74c4e79074646a99c
SHA1 hash:
0510dd7909764f8a44e2c9f290fd61f6f57eb011
Link:
https://www.unpac.me/results/1852d83f-f784-4ef0-87ee-d74a4ffc896a/
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/12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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 12361d47524fe20ebca655db20945642b53f37ce38ae73c415cda2e0c88173a5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457258/

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