MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a
SHA3-384 hash: a46285b7772bfe57080f9e09f603d4776bcd981d96ba1238734ff40df5ec05179e36effc7af220771f21dcf60308426f
SHA1 hash: fe90bff2ec815928f3e6bf9ee10e714eb81b0179
MD5 hash: 19e644c41fd27209fe912177c9abe3aa
humanhash: december-utah-blossom-connecticut
File name:19e644c41fd27209fe912177c9abe3aa.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'429'504 bytes
First seen:2021-01-20 14:21:21 UTC
Last seen:2021-01-20 15:52:54 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 24576:yM/M7H+SnXGixo7svoJoBZfOe5KXUJEU/DwaFWZf:yM07esXRooXOe5KkKmcf
Threatray 3'524 similar samples on MalwareBazaar
TLSH 8665C69C751C71EEC8D7D4729AAB2C64AA532CBA531B410390173DB9BA3C897CF147B2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://chthreemndyrecantict.dns.navy/chnsfrnd2/vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 07:30:49 UTC
Tags:
opendir loader trojan formbook stealer
Link:
https://app.any.run/tasks/3f35725d-2a50-444c-aeb4-de408d69d27b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/113105/
Detection(s):
SecuriteInfo.com.Variant.Bulz.314147.12901.13685.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
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/586202
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342130 Sample: z1k1U9Vnnw.exe Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 z1k1U9Vnnw.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\z1k1U9Vnnw.exe.log, ASCII 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 58 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->58 14 z1k1U9Vnnw.exe 10->14         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 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.guorunme.com 156.224.53.101, 49745, 49761, 80 VPSQUANUS Seychelles 17->30 32 learnhour.net 142.147.98.180, 49751, 80 UNREAL-SERVERSUS Canada 17->32 34 19 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 ipconfig.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/79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-01-20 06:46:21 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pgsxgwrdhes7ud53v2na2ocbdxq5nf65lo7nmwlqzff56k7bufva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2d876129c69f0f4be0c87aeb20cdc38ae8f5db29bea6f87807946b89e0b61a50
Formbook
5551c39b0838a38711babfe60b36dda8855791ce1512553858fbaff025d31122
Formbook
8fe13da45a5732ae42c27687b9cf9105a3f2028857729bdfbe3ae31514a6b298
Formbook
9787e886d7536b9343db7b8b78a9f87f5177b5d11460130d2aced11ccb44de8f
Formbook
a38cbbb16b9dda3d7aebcdcd033a8f5e56f17257c060859a3cdd2e1a8bb27ab9
Formbook
bfe365fae8e14aae158de051972efe75103b705f7d8cf84061f857d79bb1993b
Formbook
c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14
Formbook
d433e7ca5197ed83d851161b45aa94ae8b469a2c711b7a327d749c32279785f5
Formbook
edcbf58883f09441ef7eb461421b7ec33655663420ba2722ef5c45b62600f25c
Formbook
f5a88909c2272b7ddba37b210ca2bbf79c4baf80e51f883a36e5887183b84d3b
Formbook
+ 3'514 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210120-9lnnvq48pa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.learnhour.net/eaud/
Unpacked files
SH256 hash:
1c164e64adcbefb8250fa4cafab93cebc9c312add6e7ea5c240c878c7824e303
MD5 hash:
340fc2829d18eb310efe7a09b1faaa8e
SHA1 hash:
6a0eaccf2b68df2bcd4092e361bedd1fc395b8e1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8c04284a-6cc4-4a6a-9fff-fef34a40eba7/
Parent samples :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 hash:
7654ad9e67599d376ad77c7b23273fd334f0ea8c07394dd17d72fcc90a0b0b6f
MD5 hash:
f40a2d4ae8e4d031f0e7ff0caf28ebbf
SHA1 hash:
99e874b66617bcd9566db86de732c3fb55f5a6b0
Link:
https://www.unpac.me/results/8c04284a-6cc4-4a6a-9fff-fef34a40eba7/
SH256 hash:
c8d660963d523b51e403f272608a4251f5a332a418aa9c55f4277cade4355ccc
MD5 hash:
b655984ef3641e269690ff8974331629
SHA1 hash:
89c1f84d59cf4a545f502ea9da196dcd306441d2
Link:
https://www.unpac.me/results/8c04284a-6cc4-4a6a-9fff-fef34a40eba7/
SH256 hash:
79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a
MD5 hash:
19e644c41fd27209fe912177c9abe3aa
SHA1 hash:
fe90bff2ec815928f3e6bf9ee10e714eb81b0179
Link:
https://www.unpac.me/results/8c04284a-6cc4-4a6a-9fff-fef34a40eba7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a

File information

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

Web download

Formbook

Executable exe 79a5735a233925fa0fbbae9a0d38411de1d697dd5bbed65970c94bdf2be1a16a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/971515/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113105/

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