MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75. 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: dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75
SHA3-384 hash: 3ff8071c9943c689003cc42440702084e679207e9c84d2ac6a2ac34a0abadcd0664d9f3ea1b785332efb62ef6fc1de2d
SHA1 hash: a3e42499d53bcf961dfbaceca2c3fb5fc4d54364
MD5 hash: 1e8d5e2871ef3da902db085c1b5c9e4f
humanhash: may-equal-bacon-mango
File name:PO0932083943974.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:359'424 bytes
First seen:2020-07-21 08:58:28 UTC
Last seen:2020-07-21 09:56:10 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 6144:q35j3AVk4zUEDcGSO8y8r+bMNLHysGMHNOGf7B9+LCcwF1r3G:q312k4zUEDcMN8NLplDiLrwv
Threatray 2'255 similar samples on MalwareBazaar
TLSH 6674BDFC2D2BA411DA9C4FB988A1D93482342E96F4F5F259F7C0BE9F3432249E545A13
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: regular1.263xmail.com
Sending IP: 211.150.70.198
From: Michael <michael-cui@haixin-crafts.com>
Subject: PO0932083943974
Attachment: PO0932083943974.zip (contains "PO0932083943974.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29863/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.59928.17819.20018.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392878
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 248778 Sample: PO0932083943974.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 40 www.mohajrannoor.com 2->40 42 www.homehit.house 2->42 44 homehit.house 2->44 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Sigma detected: Steal Google chrome login data 2->56 58 Yara detected FormBook 2->58 11 PO0932083943974.exe 1 2->11         started        signatures3 process4 file5 38 C:\Users\user\...\PO0932083943974.exe.log, ASCII 11->38 dropped 14 vbc.exe 11->14         started        17 vbc.exe 11->17         started        process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 19 explorer.exe 1 14->19 injected 80 Tries to detect virtualization through RDTSC time measurements 17->80 process8 dnsIp9 46 www.sgknox.com 185.53.178.10, 49720, 80 TEAMINTERNET-ASDE Germany 19->46 48 www.magentos.info 199.192.30.223, 49723, 49724, 80 NAMECHEAP-NETUS United States 19->48 50 10 other IPs or domains 19->50 60 System process connects to network (likely due to code injection or exploit) 19->60 23 cscript.exe 1 12 19->23         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file access) 23->62 64 Creates autostart registry keys with suspicious names 23->64 66 Tries to harvest and steal browser information (history, passwords, etc) 23->66 68 3 other signatures 23->68 26 cmd.exe 2 23->26         started        30 cmd.exe 1 23->30         started        process13 file14 36 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->36 dropped 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 32 conhost.exe 26->32         started        34 conhost.exe 30->34         started        signatures15 process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 22:28:41 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=33q7uek2hyddcc4vrowkpp3qsfcpo4g6aj5lhrqv62jxw5kezv2q._file
Verdict:
malicious
Similar samples:
0047270c26f603d132bc8e6a67894311356fe2d3c977aa287a09a8261f6b5690
Formbook
00668e0dac77414a7a5fc8df4867e3a75fc928cdd97b57c068edb11522fecf97
Formbook
0d2b79e9ac449de6c300c43522e8581a971b4b08e004696e278608d6c4b46eb8
Formbook
23958a583d62bf343e2641dd871d6d788c99649a722fe1908fea9e72e78d17b7
Formbook
371a78d5f848b70de0d716586851eec55e92fc1e4e5898943c62c67a99c9e07a
Formbook
4052cabc6efdd8910b0c92b973d1a37172a92ee408fc53209d746cfb65e08dcc
Formbook
7910fbd27cb1e4fd04a3356d45036821ed924ef1b8de3117d677be4938cb5140
Formbook
7c110f7a45aba8f26ba0eb32c024ea55598ec54d9ceda6cf13272a31d2cc6da0
Formbook
a0086dfee2dba4d6a0adab05e848cfbb9755f68be7adef3ff35ff9740e5a1c2e
Formbook
b258aed05413eb191250d2907db5b64c4f36fdb0508fb3c9c6390c4144fd9497
Formbook
+ 2'245 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan persistence spyware stealer family:formbook
Link:
https://tria.ge/reports/200721-s9hcjvfw1a/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates system info in registry
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information

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

Malspam

Formbook

zip 3904214c69427ca44fbe3dd2b567493d006578d13b50a22367dbbf547d7f714c

Formbook

Executable exe dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75

(this sample)

  
Dropped by
MD5 69ca5593a7f846a565a6d23a5013d883
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29863/
  
Dropped by
SHA256 3904214c69427ca44fbe3dd2b567493d006578d13b50a22367dbbf547d7f714c

Comments