MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676
SHA3-384 hash: 18ce6438fef4032843e4045c88ae00d3a1037f10b8ec511b8bed513bc79e940261bf76bf7448ae1b175e1061a3efb9bf
SHA1 hash: a8a4d0653f3598cd477e5887cf12b3ed33625898
MD5 hash: 6443c909d7e8034f945f3e1dc138a046
humanhash: sodium-uniform-london-friend
File name:TT copy.exe
Download: download sample
Signature Formbook
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File size:661'504 bytes
First seen:2022-06-03 06:13:46 UTC
Last seen:2022-06-03 06:41:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gxcggFvvr8qAs3eNmNapF2Gmolguwa9R6pes0CWB9+YOI/I:WEvrBAs3emE5WulGp3xaGaI
TLSH T16EE401A8B2B79E13D5255776D1F2026D03F16582E132E3C71FDA52CA1A027E54EC1F8B
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TT copy.exe
Verdict:
Malicious activity
Analysis date:
2022-06-03 06:14:48 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/37b7a3c4-80df-4b40-95bb-5fc0b9a1a6c6

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/276430/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27081.31325.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe wacatac
Link:
https://www.filescan.io/uploads/6299a6e6b5fe347d254f7323/reports/418667bc-f6f9-4cde-acda-f4e05dcbc3af/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/3334115b-47c7-45d0-a6c4-0fb97b4db868
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006091
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638587 Sample: TT copy.exe Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 37 www.airvataus.com 2->37 39 airvataus.com 2->39 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 10 other signatures 2->55 11 TT copy.exe 3 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\TT copy.exe.log, ASCII 11->35 dropped 69 Injects a PE file into a foreign processes 11->69 15 TT copy.exe 11->15         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 41 www.sinsegae.net 185.254.241.173, 49780, 80 PINGTAN-AS-APKirinNetworksCN United Kingdom 18->41 43 www.shopcycles3.com 162.213.255.237, 49783, 80 NAMECHEAP-NETUS United States 18->43 45 12 other IPs or domains 18->45 57 System process connects to network (likely due to code injection or exploit) 18->57 22 rundll32.exe 1 12 18->22         started        signatures11 process12 dnsIp13 47 www.sassafrasriver.info 22->47 59 System process connects to network (likely due to code injection or exploit) 22->59 61 Tries to steal Mail credentials (via file / registry access) 22->61 63 Self deletion via cmd or bat file 22->63 65 4 other signatures 22->65 26 cmd.exe 2 22->26         started        29 cmd.exe 1 22->29         started        signatures14 process15 signatures16 67 Tries to harvest and steal browser information (history, passwords, etc) 26->67 31 conhost.exe 26->31         started        33 conhost.exe 29->33         started        process17
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-03 05:08:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3yok5wb6occ3f3tz257kig447idzdatibz63fqni2phnxqvmez3a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:umat loader persistence rat suricata
Link:
https://tria.ge/reports/220603-gza2fafbcj/
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
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a61c9e8b775db30532c64fe8807b38e42ead88169291736ab8eaaf2de8ba9600
MD5 hash:
7e05032ab9b1715a7178472ca4df1a71
SHA1 hash:
e5bc891e4a4b08e2de775ae6ecfed53ced353a18
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
Parent samples :
059bd7857e6b212088a07d2cc85eec648d93692e480ea6ebb6125b0f45a87be3
03df706b5cb7011cdeea18390a13b803b91d5018f97fa4aaabeb2e944a811936
de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676
SH256 hash:
b41b1f690672cd19539014824d92342bd4f7ecf2344f3a7da4e8367dd1b12021
MD5 hash:
1de7ce29f1a11edabaa9fd521c8ef325
SHA1 hash:
b8326dcbd4b4c6d76bd82bc2044ea076152347c0
Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
SH256 hash:
a8cb8585070441f30d30e4ec6c1414b4b9ade3af2d4041128d0713b6599568d6
MD5 hash:
996820a8ffdf6da6be8452130f3a2966
SHA1 hash:
47a343e716ab3e2a02828753d17d8ca75f9609c2
Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
SH256 hash:
5b25829ebed187ccab0d7c7c917e25e029b45b767e34e07edd92362c55a48bf0
MD5 hash:
41a6f3ece7b77ce308a6f70b278aa625
SHA1 hash:
0a7eb8a0c3f93fd4192a6156a928eb4ce2312364
Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
SH256 hash:
de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676
MD5 hash:
6443c909d7e8034f945f3e1dc138a046
SHA1 hash:
a8a4d0653f3598cd477e5887cf12b3ed33625898
Link:
https://www.unpac.me/results/5cc58cbd-5ac2-42a8-940e-98fb40f124a0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de1caed83e70/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676

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 de1caed83e7085b2ee79d77ea41b9cfa079182680e7db2c1a8d3cedbc2ac2676

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276430/

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