MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245. 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 2 File information Comments
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SHA256 hash: 519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245
SHA3-384 hash: 17908983490cecb2e5ef762967e1056b277196ec435b422b09b89bc212026824afe25a4360745cb7f52855037f2f427b
SHA1 hash: 2a4b6fd3bf2240e213cebd245121758ddcb71cbd
MD5 hash: 521decf73c89f9ca0c43d0be72d77bd3
humanhash: asparagus-lemon-table-delaware
File name:shipping documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:509'952 bytes
First seen:2022-07-18 13:09:00 UTC
Last seen:2022-07-18 13:37:41 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:y9pH9Q3jxH8uuTSnx8E3bclPDoWtN1qiKAPUcwyYvCNsFnz1IC:yijxH8TSnx73bcxbtN12IUkYvCNcnp
TLSH T1BBB4D021FAD9D32CF1FB97790BD4A4247BF6F1215609E5BD3EA50E8E0A12F008691637
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/291579/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.15036.13708.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62d55bb08fbcdde3605a5e17/reports/2f1ffea6-4241-48b6-bb35-827914134d36/overview
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/e1012180-f8b0-4c46-8ec7-8796490119db
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1035758
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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 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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 668248 Sample: shipping documents.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 10 other signatures 2->39 10 shipping documents.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\shipping documents.exe.log, ASCII 10->29 dropped 47 Injects a PE file into a foreign processes 10->47 14 shipping documents.exe 10->14         started        signatures5 process6 signatures7 49 Modifies the context of a thread in another process (thread injection) 14->49 51 Maps a DLL or memory area into another process 14->51 53 Sample uses process hollowing technique 14->53 55 Queues an APC in another process (thread injection) 14->55 17 explorer.exe 14->17 injected process8 signatures9 31 Uses ipconfig to lookup or modify the Windows network settings 17->31 20 ipconfig.exe 17->20         started        process10 signatures11 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        25 explorer.exe 121 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-07-18 11:27:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgjhfjnl7szpue5nivc6by5yojs4qspekmabphhlbntgynhiijcq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:gfv7 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-qdr79sdfaq/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e8e0a476087352226ea102e89078067fb2d760238bc2121bf1098fdefd188604
MD5 hash:
3733f77949893a2f8206a945e2902629
SHA1 hash:
2cc712b01c2ba920a84dd4d758cf732b65d4a3e0
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/61159f0f-9e8e-49b5-80b5-77f3e91c15f8/
Parent samples :
29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e
a12973c256e6565a0635fb0febaed5ed56f613d23b864df409f32f832a3af19f
892386e40db2d9d22e9fe3ddd47f369e6f68757c68aa98ada9c74a346046eac9
bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
1752302de3862bd15be2d539255fed5e71a4180cd987b206542ef8d5f5c6af13
30aa876ee488a9eaa2410ca4127f4f2573dfbc52d0900408ed30fa93906cd355
264f8e9cf8019def3b46a5e9c11cfbaea0ca6c25e73aeb8b2cd1daed15757acc
49c68da125046643fa9fd653710e46de6ca89b8902b4a06bfd99195bd09d501f
55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75
14a0af77c8fab65395925348cb39c058dd0e619e33055f6a3f895c295aaa6783
58babe3f9ef385e4ba8b10355a7ed59a6fe81d4742d86d60362b77b57c4fe8fc
0bfa565bad2de6637585f1f14d5469f78b98f6ad3876b59f9963706a30ddfb47
2fb3a163ab611211807753e6158f34df724fd3b7797502d277dc617ec9aac45b
584cef5ff03652f91f00be5efce4897792b6980b878a95e73f9d7a2414331a2a
123bbe894d4ce404e2336e991dfc0c13536590b510c9cc7abe0a542dfc94ce2e
0a76b25a4316ca2df59f110b3b967e290fd6459132a0e1b1458fb31706927030
519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245
2050bb37c43505f12110e7949437a1a8464b19b3e41d22f1a68a8ed0166d4b35
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/61159f0f-9e8e-49b5-80b5-77f3e91c15f8/
SH256 hash:
cfa7b29e277aae08ef1161bdddbf1aece75edbd009035908e2dafde9afc9f1e7
MD5 hash:
4931ff6588a11cd1054623b6562329ca
SHA1 hash:
0ab63ff43eff8a2653d48d1d116934293d2df2a7
Link:
https://www.unpac.me/results/61159f0f-9e8e-49b5-80b5-77f3e91c15f8/
SH256 hash:
519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245
MD5 hash:
521decf73c89f9ca0c43d0be72d77bd3
SHA1 hash:
2a4b6fd3bf2240e213cebd245121758ddcb71cbd
Link:
https://www.unpac.me/results/61159f0f-9e8e-49b5-80b5-77f3e91c15f8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245

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 519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291579/

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