MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc7f170e0b18f35f5d150ec384f7d7db8cd790bdac22d469424515225ab30658. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc7f170e0b18f35f5d150ec384f7d7db8cd790bdac22d469424515225ab30658
SHA3-384 hash: 9dac8a0558fb93ea0fcf1f40da534de569d12019034a9884379052a5307ebc5c982cd2b38191c1cb2227abfa6f864023
SHA1 hash: f6985a618697fda04a088f9fcfec17c4b04526ea
MD5 hash: 7f978dd63c83cd8a4c195dc4195ffc1f
humanhash: charlie-wyoming-finch-may
File name:Pago001522278.Scan.pdf..exe
Download: download sample
Signature FormBook
Create hunting rule
File size:346'112 bytes
First seen:2020-08-04 07:18:03 UTC
Last seen:2020-08-04 08:20:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:SPBB8O9RbJr2MCNZKLRWrjj+1/TyC2fKOncusujBPzEe3w2G6sSdbNI4fLwnnNbT:S5eO/J6nNu4/S1yvKOcfcp13wAxbhand
Threatray 5'233 similar samples on MalwareBazaar
TLSH 9974120A12C8FB16E5FD13F82E5206C44371E5AB04E6E68D1FEC238D565AB01C693E8B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: fica.com
Sending IP: 45.127.62.80
From: Alberto Serna <allison@nagle.gq>
Subject: RE: RE: Pago
Attachment: Pago001522278.Scan.pdf.rar (contains "Pago001522278.Scan.pdf..exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38278/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.241.10043.14949.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408787
Signature
Benign windows process drops PE files
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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 access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256637 Sample: Pago001522278.Scan.pdf..exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected FormBook 2->62 64 6 other signatures 2->64 10 Pago001522278.Scan.pdf..exe 2 2->10         started        process3 signatures4 80 Tries to detect virtualization through RDTSC time measurements 10->80 13 Pago001522278.Scan.pdf..exe 10->13         started        process5 signatures6 82 Modifies the context of a thread in another process (thread injection) 13->82 84 Maps a DLL or memory area into another process 13->84 86 Sample uses process hollowing technique 13->86 88 Queues an APC in another process (thread injection) 13->88 16 explorer.exe 3 6 13->16 injected process7 dnsIp8 46 www.hitsunkgames.com 75.126.101.244, 49728, 80 SOFTLAYERUS United States 16->46 48 www.it-globalservice.net 104.31.82.78, 49736, 49737, 49738 CLOUDFLARENETUS United States 16->48 50 www.madmiacreations.com 16->50 40 C:\Users\user\AppData\...\9rhpn8jtqnxh.exe, PE32 16->40 dropped 66 System process connects to network (likely due to code injection or exploit) 16->66 68 Benign windows process drops PE files 16->68 21 help.exe 1 17 16->21         started        25 9rhpn8jtqnxh.exe 2 16->25         started        27 9rhpn8jtqnxh.exe 2 16->27         started        29 2 other processes 16->29 file9 signatures10 process11 file12 42 C:\Users\user\AppData\...\556logrv.ini, data 21->42 dropped 44 C:\Users\user\AppData\...\556logri.ini, data 21->44 dropped 70 Detected FormBook malware 21->70 72 Tries to steal Mail credentials (via file access) 21->72 74 Tries to harvest and steal browser information (history, passwords, etc) 21->74 78 2 other signatures 21->78 31 cmd.exe 1 21->31         started        33 9rhpn8jtqnxh.exe 25->33         started        36 9rhpn8jtqnxh.exe 27->36         started        76 Tries to detect virtualization through RDTSC time measurements 29->76 signatures13 process14 signatures15 38 conhost.exe 31->38         started        52 Modifies the context of a thread in another process (thread injection) 36->52 54 Maps a DLL or memory area into another process 36->54 56 Sample uses process hollowing technique 36->56 process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fc7f170e0b18f35f5d150ec384f7d7db8cd790bdac22d469424515225ab30658/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 07:19:04 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7r7rodqlddzv6xivb3byj56x3ognpef5vqrni2kciuksewvtazma._file
Verdict:
malicious
Similar samples:
08c04f257dbf34e406e95901c084a0f00efd77ab0bb4d03ba228ecb3f9260d7e
FormBook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
FormBook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
FormBook
6b307cbe4f1e8d769af95142d574e77a50654e25cce234f48da6c5e7a7aa4b99
FormBook
8604f9cf7a68603106748dcd54ec4bf13f11ac46bf07d4fa0ec20d45b98e16c9
FormBook
8fb2b9dc001a9dda1b56963034f4957c33e13cf502ab963630100350c0143bce
FormBook
a1ad8bfdcc01c3b59fce9cf7c4ea716f46c5e562d1fbfda663a03fcb3b21fc59
FormBook
a777ab5f9fd6e6aa4f4d70b5168f4358c849f3ab461a3d15d315c83fe351272d
FormBook
c29af14bba547ce94a8a7c2d7f71d30ebd0df541b604b4dfa400700601755efb
FormBook
e6d371badc121f232f4305f3a50f0a136d1b7edbc3337414ca692c26ae41986c
FormBook
+ 5'223 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200804-11w9m7tqbj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Reads user/profile data of web browsers
Deletes itself
Formbook Payload
Formbook
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/fc7f170e0b18f35f5d150ec384f7d7db8cd790bdac22d469424515225ab30658

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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

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

Malspam

FormBook

rar 23fd049c38f1d44360b9a9a2dc395fef724961cd14c94c57b354b3b4a42a627d

FormBook

Executable exe fc7f170e0b18f35f5d150ec384f7d7db8cd790bdac22d469424515225ab30658

(this sample)

  
Dropped by
MD5 6441b3d76f3e0daef0e6936ff975bbc1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38278/
  
Dropped by
SHA256 23fd049c38f1d44360b9a9a2dc395fef724961cd14c94c57b354b3b4a42a627d

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