MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
SHA3-384 hash: a061d871a30f16cf35a983ab31c4ebfb3f1ed71b7a07cf91c2c8cb2471316156920252d77b1af51678e03fa4ed250412
SHA1 hash: ff225a8461f665cb7b7a2f30bab7c60fa3cb0069
MD5 hash: 171027ed6afe9db69fdaf585e2c3d3f6
humanhash: nebraska-washington-kilo-friend
File name:46578-TR.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:400'384 bytes
First seen:2021-04-07 11:20:26 UTC
Last seen:2021-04-07 17:01:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ed583f61644f9a196f94a929459587d0 (1 x Formbook, 1 x TaurusStealer)
ssdeep 6144:ijN1DaX6G88LbtMaYThhYQoahBUkq7odyjMgHsBOyqJi0axrE9TCq3Ij1jV:iZRaX6YNTYThh4abUAdb8csitwZW1h
Threatray 4'607 similar samples on MalwareBazaar
TLSH E884BE1173E1C032D1A364384A65C7B54ABE743267A55ACBBBC41BB94F247E1EA3730A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.serviciipaza.md
Sending IP: 212.56.192.30
From: Alkim Saglik<causeni@serviciipaza.md>
Subject: \xef\xbf\xbddeme i\xef\xbf\xbdin takip edin
Attachment: 46578-TR.ace (contains "46578-TR.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
46578-TR.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 11:52:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4e02c4b5-7624-4c73-bac8-90245cd7c85b

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/132834/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.74019.14493.1577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/668608
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383236 Sample: 46578-TR.exe Startdate: 07/04/2021 Architecture: WINDOWS Score: 100 36 www.kevinrsamuels.network 2->36 38 www.armanrugservice.com 2->38 40 2 other IPs or domains 2->40 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 4 other signatures 2->50 11 46578-TR.exe 2->11         started        signatures3 process4 signatures5 58 Detected unpacking (changes PE section rights) 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 14 46578-TR.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 30 xn--ga-c9a.com 89.33.44.159, 49730, 80 ROMARGRO Romania 17->30 32 generalflix.com 94.46.9.37, 49742, 80 MISSDOMAINSE Sweden 17->32 34 19 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 wscript.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-04-07 11:21:09 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2m34xjrhjbxb7gpevfsaowiwbhmirrtfnjabboeai7t42gvrssba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c13ac6991e35e6948e4c926f79bac0a0c669f8c2709eb1e5fcea146e5a4d3ea
Formbook
441a0a46bcdfdee8c8b6761798e75a65204eac43b47547557604f80f26b87e95
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
7cbc1d9601c932a14c4bbf2fba67b5c417087cb5dacf0eb2dff743e77af2d380
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
Formbook
9f86527e3ca4530bb3209d8608dae083afab4ef2cf7b0ae23bcd6fdc322a0c33
Formbook
b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6
Formbook
c89f79a04424927e34b051521196b33dd275ea7f15ac7fed111d771bf9687af6
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
+ 4'597 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210407-xx3447jl8s/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.batiktintaemas.com/goei/
Unpacked files
SH256 hash:
4cf86d2f62107e452c7f625e70afc0651bcd6ff6ca8be5f6dbb421e756e01e91
MD5 hash:
694b199b716f616e9959e2fc8ef12227
SHA1 hash:
b1736717adacda124d9ffb537969830a57e60132
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb41af7e-6147-4225-9f22-936bbf388aab/
Parent samples :
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
5d1870672eff4e2ec6d699d654d5268051f7a56f8ca991fefa538eeef380a89c
8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a
SH256 hash:
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
MD5 hash:
171027ed6afe9db69fdaf585e2c3d3f6
SHA1 hash:
ff225a8461f665cb7b7a2f30bab7c60fa3cb0069
Link:
https://www.unpac.me/results/bb41af7e-6147-4225-9f22-936bbf388aab/
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/d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

ace 7d4195541a2b797791f0acfcbcf128612bf82271c73df0b1da860108b0638fff

Formbook

Executable exe d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482

(this sample)

  
Dropped by
MD5 d74a658dbde450ea07bd9f480383bb2c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132834/
  
Dropped by
SHA256 7d4195541a2b797791f0acfcbcf128612bf82271c73df0b1da860108b0638fff

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