MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637
SHA3-384 hash: 9141bf33578cba6437553256c6fe4844e87ddbd92d4e879aee19791afe443d2a07baa71c6b840de7b7494cba9f5e1892
SHA1 hash: 4a22ffa4793333ed8e286272aa9907bf1d5537b8
MD5 hash: d3a7d68573e550afef3c0b778c9050a2
humanhash: low-zulu-louisiana-lactose
File name:OszQV1HEQJLo5FM.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:731'648 bytes
First seen:2022-02-15 13:12:26 UTC
Last seen:2022-02-15 14:52:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:CML5k+yMC6Sqj7+h/Nh3DSGicMT/wXufZDCFT1QhAvZdcxyqUGpUHOuYGlhz:lLavt6u/NhqYeRWZ1QhNEXG/+v
Threatray 13'466 similar samples on MalwareBazaar
TLSH T168F4014177B73B84D0365BFA50B194862BB9B59D1022D23D8DA724CD0C62791CEBFA3B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241615/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.4755.3787.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/620ba6e6ac8ad0468b424862/reports/a038ef7a-1a05-4b04-be43-0fc7ecbca598/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c6b4140-38e4-4fbd-8ef8-4ffc7289f2ae
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940095
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572574 Sample: OszQV1HEQJLo5FM.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 31 www.therealunion.com 2->31 33 www.arianfood.group 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 11 OszQV1HEQJLo5FM.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\OszQV1HEQJLo5FM.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 OszQV1HEQJLo5FM.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 elprincipedelatoalla.com 51.161.116.202, 49799, 80 OVHFR Canada 18->35 37 www.shjedu.com 154.205.236.157, 49821, 80 IKGUL-26484US Seychelles 18->37 39 4 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 control.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 09:18:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aw3me5a5gptlhidowy657om5ihzviy3wdiotn7xvwqemg27uky3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
8e133618d88f4eb1975953fc0ef639a7192f7fea403f5a777a698a4631f741a6
Formbook
950ead10061a0d06ae1314f85d90925ed519d91ff8360236960e9abf68a99b7c
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
b3b6f6f58e9df22dda93da3c41997e4c36b48b4e8e851a217c572a0b78ce4b83
Formbook
ccf47d9fd0a0ddce06c265b87f0e2377bb58107c18659ac908b7e3a5731ad081
Formbook
d6a113f33599b8c821531df91dc5cd29501cab9fa911b8844a3447d0991e7362
Formbook
e8720afe9895124761086a0f00aa515997015669cc5332aebe99d5ea02ca7377
Formbook
+ 13'456 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:icun loader rat suricata
Link:
https://tria.ge/reports/220215-qf3rsagedk/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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 Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
42501404e1555afc191debd5c2c5ecccb08835a67d0de5f7215fde9f686078a1
MD5 hash:
fdffccd125d9c21507f21d4953f5f4ea
SHA1 hash:
b314822f0837ab84541cc41ce78fdf6f094359a3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e8b8e177-9e97-448c-a9a3-8f2f07d23da0/
Parent samples :
05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637
1ef7bd7eb5072a52e9e63dab1a6633413a19768ea84bf248868239b087f0900f
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
SH256 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
Link:
https://www.unpac.me/results/e8b8e177-9e97-448c-a9a3-8f2f07d23da0/
SH256 hash:
2f68383abd91058b9a01d8534837476bea6f6d2c359c04e8230b8d48c2008c18
MD5 hash:
d91d69d4df8ab8d9f6282157c865a51a
SHA1 hash:
e9c4f87607bdd85a6ed6e665733e5c95c47d6900
Link:
https://www.unpac.me/results/e8b8e177-9e97-448c-a9a3-8f2f07d23da0/
SH256 hash:
b63fe3f5968e49e97e4cb1634ace65d6f2eca9f7a5c4274c867b3e739134d61b
MD5 hash:
7a98ede63ce11690fe5abced75ec7f5a
SHA1 hash:
7a8c3614bb1ab81a814f5e3097ca72d16ec79595
Link:
https://www.unpac.me/results/e8b8e177-9e97-448c-a9a3-8f2f07d23da0/
SH256 hash:
05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637
MD5 hash:
d3a7d68573e550afef3c0b778c9050a2
SHA1 hash:
4a22ffa4793333ed8e286272aa9907bf1d5537b8
Link:
https://www.unpac.me/results/e8b8e177-9e97-448c-a9a3-8f2f07d23da0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/05b6c2741d33/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/05b6c2741d33e6b3a06eb63ddfb99d41f35463761a1d36fef5b408c36bf45637

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/241615/

Comments