MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a. 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: b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a
SHA3-384 hash: 7a7819323ca3be7bc2165fbde63acafd5e17559c68921e84e074b6569139ce000998c2d724e9042e2c71cff291fa9971
SHA1 hash: cf01cec74f796c0203cd6f5f74d98782f9bdc5eb
MD5 hash: 74fd1412a8366ef32917432e0ce0e33d
humanhash: texas-cat-kilo-alpha
File name:LKP 1720920 tgl.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'689'600 bytes
First seen:2020-10-20 08:40:35 UTC
Last seen:2020-10-25 18:46:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:nPI9HktPma8ENwzG4lac5S6DMv1IAplSAmnxQsrJG47H80/zfOGUg+6JU9bnojEL:nP6CR8fMv1l
Threatray 2'607 similar samples on MalwareBazaar
TLSH 9E7562983E5075DEC857CD32CAA81C64EA506CAA430FD253A0173DE9B94FA97CF14DE2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: cpanel8.wsiph2.com
Sending IP: 110.34.251.21
From: chbai@yw.ac.kr
Subject: FW: PO LKP 1720920 tgl 20/10/20-U
Attachment: LKP 1720920 tgl.zip (contains "LKP 1720920 tgl.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73381/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497406
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300910 Sample: LKP 1720920 tgl.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 10 LKP 1720920 tgl.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\LKP 1720920 tgl.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 LKP 1720920 tgl.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 newyorkslings.com 34.102.136.180, 49813, 49825, 80 GOOGLEUS United States 17->30 32 www.swimmingpoolsharks.net 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 00:29:30 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xe4ur75u37zxft7ro4tg3nbbwtqdpzr2nwylmekxrvmsvwzly6na._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0444972f4976d21a707c947f936ee857584f0dee44e795c6dc7cb86d9b28eddd
Formbook
1b300274b3a285359d3c2c50d221aca75f28e1e972626fbef59454b3fba7f0fa
Formbook
4bc2794576ebc0396a825e7b5f5fa26303e79972e7a2d68ded5cd68729288107
Formbook
50f48263f394b95976bbacb198facd4a274f820f92ecf624a228251359627a93
Formbook
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
Formbook
900a6f47b5d63eeb95728c0ec9ae469d31564cfbb1849b34549ac0f8de28fcde
Formbook
9c1501fbd2eb669ccbe4a41e37770191e954e6f0dd3e0a954a0670a91df3917c
Formbook
af61853ca27001c0721463fce68bb033a9084e9fcd0c6ced3acd7fc3ea0e957a
Formbook
dbdfc4a9100fa08d0bb6ca2879febbc5e0db4eca85168dfefb526b584976efaf
Formbook
f358e7685d05c3fbc7d93bd7641276df66c9587065c2643f698324b4f99da2c1
Formbook
+ 2'597 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201020-zcp1bzwy7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ceeemexports.com/t65/
Unpacked files
SH256 hash:
b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a
MD5 hash:
74fd1412a8366ef32917432e0ce0e33d
SHA1 hash:
cf01cec74f796c0203cd6f5f74d98782f9bdc5eb
Link:
https://www.unpac.me/results/413fa12e-f03e-4894-814e-a2274c04d914/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/413fa12e-f03e-4894-814e-a2274c04d914/
SH256 hash:
fe8384b7f783d64426abb36b0f0a20a3a0f447224aa63a768c6ac60b9b700257
MD5 hash:
d3a850911be56b28b18d6893135aa1d4
SHA1 hash:
562d1fac5844c38104af543472eeba1c2894cfc3
Link:
https://www.unpac.me/results/413fa12e-f03e-4894-814e-a2274c04d914/
SH256 hash:
5d197330a1fb9b785499d4933a8cf2a7f001e37485e149d4ba0e796e2f3a9bf6
MD5 hash:
7dd3da44a2b038f32c64a01ca75642fc
SHA1 hash:
50ff26d5c0e7e5bf5a8348c07a03710223ea3786
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/413fa12e-f03e-4894-814e-a2274c04d914/
Parent samples :
f358e7685d05c3fbc7d93bd7641276df66c9587065c2643f698324b4f99da2c1
50f48263f394b95976bbacb198facd4a274f820f92ecf624a228251359627a93
b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a
1953a98a6aa1400610bfcfb7cf84cd7bc5309865d9d6a40030f95662782d916e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.10
Link:
https://yomi.yoroi.company/submissions/b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a

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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Malspam

Formbook

zip b4bfa52ee9a80e7d89aaed53260e0c2ac8884f0d403407f195940c316103f1bf

Formbook

Executable exe b93948ffb4dff372cff177266db421b4e037e63a6db0b611578d592adb2bc79a

(this sample)

  
Dropped by
MD5 81de4e33ec70cb2a3ed9f1e4f0e67bf5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73381/
  
Dropped by
SHA256 b4bfa52ee9a80e7d89aaed53260e0c2ac8884f0d403407f195940c316103f1bf

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