MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9
SHA3-384 hash: 34011610f7cad70e35db69875be46a35020de589ec639a205063e1bbe51075623289314b130d9f616c1a4f316965a19a
SHA1 hash: 5e2182dba4444a5161530f5f74e878d2d32b84a3
MD5 hash: 802065ade587ca9b2f9627bb1c1b63e9
humanhash: bakerloo-yankee-ceiling-uniform
File name:Yeni Sat?nalma Sifari?i.Pfd.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:756'224 bytes
First seen:2022-02-15 16:01:58 UTC
Last seen:2022-02-15 17:52:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9P5k+XiURfG3YVrbFnip1AdKYG6pUZrJLjFdBH5uSyZ2uVQ2mPNeV:VaQ9Y6bFn01AdK0UZrT5u5Z2uVQ2x
Threatray 9'869 similar samples on MalwareBazaar
TLSH T1D1F40214B7B73B51C0331BFA98A5C5861B75B55E1526E23DCE8230CC0C27B918E7AA7B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter 604Kuzushi
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241658/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.3710.3456.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/620bce80a2660f3bb9dc1b3d/reports/3c85edcb-370f-4704-85b6-ea4e1a7732ab/overview
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/0e8ebf1f-bb2f-4662-a7e1-50c5f6a7595c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940221
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572705 Sample: Yeni Sat_nalma Sifari_i.Pfd.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 13 other signatures 2->48 10 Yeni Sat_nalma Sifari_i.Pfd.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\XIkfSdAVU.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp1B52.tmp, XML 10->38 dropped 40 C:\...\Yeni Sat_nalma Sifari_i.Pfd.exe.log, ASCII 10->40 dropped 50 Writes to foreign memory regions 10->50 52 Adds a directory exclusion to Windows Defender 10->52 54 Injects a PE file into a foreign processes 10->54 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 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 2 other signatures 14->66 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 msiexec.exe 21->27         started        signatures10 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 30 cmd.exe 1 27->30         started        32 explorer.exe 129 27->32         started        process11 process12 34 conhost.exe 30->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-15 16:02:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=usnhrneslxwmbxcw67llkgsjwf6qfaaw5pmcbxuylruyffl65leq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2084194e47482bf35f4b7c5724d6cf0db56cf4f10811f727a3517579c3985b2c
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
950ead10061a0d06ae1314f85d90925ed519d91ff8360236960e9abf68a99b7c
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
Formbook
b3b6f6f58e9df22dda93da3c41997e4c36b48b4e8e851a217c572a0b78ce4b83
Formbook
db4fa159359fbe0ba9857ae0e971dd206f23a7522b14073151b27bb030db8f5f
Formbook
f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c
Formbook
+ 9'859 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220215-tgsvraaabm/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b1ce3ec5-e676-4b0f-9160-8628c13e27c0/
Parent samples :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 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
Link:
https://www.unpac.me/results/b1ce3ec5-e676-4b0f-9160-8628c13e27c0/
SH256 hash:
fa8953377f59ec348f36124ce736356111978ebb925329bd352bc4635f2c38a1
MD5 hash:
4daa9ae1a68792bb78460ae9bb77cf11
SHA1 hash:
e4c4b4546d236a9ec7cfb4a13764b0bc838e0c13
Link:
https://www.unpac.me/results/b1ce3ec5-e676-4b0f-9160-8628c13e27c0/
SH256 hash:
53d660a3dc4841046059ec97049e7598ef0a5a1083dd31f4a9df0762ba3cf385
MD5 hash:
fd06b053b55dc08b201f02ab08ff40a5
SHA1 hash:
5817e7ad3fcf2f6cccc3a96191037d478044cd04
Link:
https://www.unpac.me/results/b1ce3ec5-e676-4b0f-9160-8628c13e27c0/
SH256 hash:
a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9
MD5 hash:
802065ade587ca9b2f9627bb1c1b63e9
SHA1 hash:
5e2182dba4444a5161530f5f74e878d2d32b84a3
Link:
https://www.unpac.me/results/b1ce3ec5-e676-4b0f-9160-8628c13e27c0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a49a78b4925d/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/a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9

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
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 a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241658/

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