MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
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SHA256 hash: 99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
SHA3-384 hash: 1241b5008db1117a86db6b77b15a319640644ef93b92c770cccfbe321de684afc47970b2fd2ff283eb9b6b0fed14b07b
SHA1 hash: 252b6cbcb891cc8fbc507087fffc1c72a3a9080e
MD5 hash: c900cd4042208e22d90dbf4f1ddb43ea
humanhash: quebec-washington-four-failed
File name:Payment swift.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:587'264 bytes
First seen:2023-12-04 09:07:46 UTC
Last seen:2023-12-11 13:22:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:x45+po2Ds+s+fQlsQqKRjpH8+7dEAwe7fm50T0AATy:c+pJD/L4lbRjpcjAhK0YW
TLSH T1AFC42352F3AA8F13CC2AD7F9D5D8A35C03F5310BB288F7AD488904CA288AF5517D6657
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462267/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.11352.11663.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Forced shutdown of a system process
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/656d96f6b1289ca93d51e939/reports/cb589631-8ebf-4754-9023-f516a1677f0c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6ea3d75-9842-4fc0-90f5-1253b7d7b828
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352984
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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 submitted file
Performs DNS queries to domains with low reputation
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352984 Sample: Payment_swift.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 34 www.8917632.xyz 2->34 36 www.zg9tywlubmftzw5ldzi0otk.com 2->36 38 10 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 10 other signatures 2->50 11 Payment_swift.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 Payment_swift.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 39 1 14->17 injected process8 dnsIp9 28 www.tjjql.com 38.173.101.219, 49722, 80 COGENT-174US United States 17->28 30 www.jenniferwrightmerr.com 104.21.67.219, 49717, 80 CLOUDFLARENETUS United States 17->30 32 3 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-12-04 09:08:06 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=thw47azmxgw3kuwixcmu4yt7des7ebzr5dyvz2boe4i7ik2echjq._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:ui23 rat spyware stealer trojan
Link:
https://tria.ge/reports/231204-k3wdbsaa9v/
Behaviour
Gathers network information
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
Unpacked files
SH256 hash:
d3fa9d3f5b96553421b7f68df18a9d1360dbe35a80ff46bfa7d1f55233c10d77
MD5 hash:
ff1d467cc897093cdbc8cbe5c70586cd
SHA1 hash:
258160d1ecbd0da5554f3eb237ab29aa88ef1c75
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/e7a3066e-80cc-486e-8af8-90ae25f38eda/
Parent samples :
f3c42aee968cbb44e74f5f1c0d327668532c8d3739f70f02a4ff61ee652a2d31
7d3b18c39d3639ad23c44c26f01902954b589f0e4657806f22a512246fa8ee56
63e6f72454c13a1384aaf3eb5808a8e886bd0fa100ffe633d5d27ae24c5bc1ac
8ab34111f357482c7c1a01baf14706b2c596945d8657de988344caa1cd66c86d
5e172b1497a76076f9ca46f345383aad816d90c2c8799a7ec3520a85f38c2bdd
f419289ce6729bf9a7f90345784cc401855b13aded8d1968a1cce5a3e21268c4
032b1e0d5f7ccba48a546bc495c919ed0820cade8af61b0368dfc17c8cec6b38
432b45a1dc6f64167c65b55c1e2333f4884b1bc65952f5b3202e7317ac5d54ab
977649dac5dc9b83379b99ac67769d94ef4af83417d471c2d8729808ce0fccc5
9d0c10331d40a7cbeda5f8e93f7314ff0930b7e0338bcd113de8392c0e09091d
99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
ed3666dd7717b088c56ed523b0726d73f9b17d2041ce07838c7c8bca29e4e5d3
a3a8b21586cf15fb1113fc72dd40f25be6c60ec3f823bc023e783a789a9b15c3
8fab6fc296f376b14d5e8e1d574338582febd49051a3e385b09a18e52850ff43
80f1abd5006e75632ccce2516b48be9abf23a9bf80a4dceeee1b73a6b7251b3a
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/e7a3066e-80cc-486e-8af8-90ae25f38eda/
SH256 hash:
d87ed3264898b45acc55a1301016b2b600014c012af46ca6587da78374724d09
MD5 hash:
2f34929c4bd1c61a956b180bd3bcc652
SHA1 hash:
b516b8793c730785486a5e34fd012ccd7d4a9206
Link:
https://www.unpac.me/results/e7a3066e-80cc-486e-8af8-90ae25f38eda/
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/e7a3066e-80cc-486e-8af8-90ae25f38eda/
SH256 hash:
99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3
MD5 hash:
c900cd4042208e22d90dbf4f1ddb43ea
SHA1 hash:
252b6cbcb891cc8fbc507087fffc1c72a3a9080e
Link:
https://www.unpac.me/results/e7a3066e-80cc-486e-8af8-90ae25f38eda/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99edcf832cb9/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/99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3

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
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Author:malware-lu
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 99edcf832cb9adb552c8b8994e627f1925f20731e8f15ce82e2711f42b4411d3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462267/

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