MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9
SHA3-384 hash: e06b507712f02048c237709babbe8e5b7791e92222b0fafecb409624fc82b1cbc2585e0738eeb7fff0c0c7b756a5c6e7
SHA1 hash: 85745689e2f889b94b37379393a97a7a87dfec8b
MD5 hash: 59ddaf036f92887a34441505f84d8cc8
humanhash: mobile-white-india-sodium
File name:B7hG4D8Jqvkw77U.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:717'824 bytes
First seen:2021-09-09 23:51:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:YM5UfAgDfyobCd6HaQITcFne82kWO3+VUPObK1Cnf2VtYLrlz1+e+:ngDfyL8hle8TxHwl
Threatray 9'119 similar samples on MalwareBazaar
TLSH T140E4272439EB901DF273FF765FE474D7AA5FBA633606A45E109003860A23A41EED153E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
B7hG4D8Jqvkw77U.exe
Verdict:
Malicious activity
Analysis date:
2021-09-09 23:55:06 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d3525e37-55b0-446a-9a35-a5bae8079bb5

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/186748/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.5501.266.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/637bfafa-6dfc-4be2-8ff3-40007100730c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848494
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 480925 Sample: B7hG4D8Jqvkw77U.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 32 www.wmscloud.net 2->32 34 www.vertexnailsblaine.com 2->34 36 2 other IPs or domains 2->36 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 8 other signatures 2->50 11 B7hG4D8Jqvkw77U.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\B7hG4D8Jqvkw77U.exe.log, ASCII 11->30 dropped 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        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 19 explorer.exe 14->19 injected 68 Tries to detect virtualization through RDTSC time measurements 17->68 process8 dnsIp9 38 nashautoglass.com 50.87.197.86, 49789, 80 UNIFIEDLAYER-AS-1US United States 19->38 40 www.nyctophilia.net 185.53.178.14, 49790, 80 TEAMINTERNET-ASDE Germany 19->40 42 13 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 23 chkdsk.exe 19->23         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-09 19:25:49 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gt3v7bcywh2yxwy6r7y2iytq7ggg2jdnee2bhtimjj3qryk6qleq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5bc9d0c8fd02f1c138178b1291378304a653717076f9e12ba4334609dcf7b11c
Formbook
61de0ac2005f1345bfb72a35e04d02e41d981e6ffa23944d3b1cae93be22856b
Formbook
7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693
Formbook
9914c8ad9ea0318f57214c6eb2f2e3f891b71ba054a9de071432ec92eb6bfe0d
Formbook
a086821049463b0bfc414cb3763c4f82688182d2d018ae5c9cd472f59f9e36ff
Formbook
ab4795f656b54e9388c89d6a4df52747510fa418bdb50aa3bafd7b332ef1ff81
Formbook
c840ee368fcab5974485c16fc456b1dc1923cc5e113ce6a96f6f314a7ec5ac94
Formbook
f7e96b7c6612b709e413bbc8c72796cadbb7ce91ed17ec77d5ba4d4422e729cb
Formbook
+ 9'109 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:t75f loader rat
Link:
https://tria.ge/reports/210909-3wp7vaghg6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.vertexnailsblaine.com/t75f/
Unpacked files
SH256 hash:
034c645316c78acb2b9110f9bfd8b840b981489bab385e8c39912ec5c7c4f1c9
MD5 hash:
d17b3ace9f0ca124101674d27328cbf6
SHA1 hash:
8ed2472b79df133a2d6cc73cbed726c444b91bff
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2186a172-33dd-4cb4-8f31-876c6a97aacb/
Parent samples :
7af335cb2a2646ddadf12f730585a217523da868aaeb12ba621b367c1b942693
5bc9d0c8fd02f1c138178b1291378304a653717076f9e12ba4334609dcf7b11c
c840ee368fcab5974485c16fc456b1dc1923cc5e113ce6a96f6f314a7ec5ac94
34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9
4a91d8f52d07bcd7fde157c6b56e2881c4abba94a0f7921633da4ae2bba53074
43d831616e23a03c055971bc1c7c9ae0e87f491976e72ce8fa0074610f004488
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/2186a172-33dd-4cb4-8f31-876c6a97aacb/
SH256 hash:
1bd168cfe9759ac4f7369922e516c04a1d9568883bcdb3a2b66f995a852d914c
MD5 hash:
ce4cdb508fe5aac587ad2aeecd524d96
SHA1 hash:
79bc505d513bb60d85f8278babc447827ac962e0
Link:
https://www.unpac.me/results/2186a172-33dd-4cb4-8f31-876c6a97aacb/
SH256 hash:
34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9
MD5 hash:
59ddaf036f92887a34441505f84d8cc8
SHA1 hash:
85745689e2f889b94b37379393a97a7a87dfec8b
Link:
https://www.unpac.me/results/2186a172-33dd-4cb4-8f31-876c6a97aacb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/34f75f8458b1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 34f75f8458b1f58bdb1e8ff1a46270f98c6d246d213413cd0c4a7708e15e82c9

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186748/

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