MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239
SHA3-384 hash: 4484166c29cdb8fbef6d66cf308c909b7b6dd151e3ca27ba22f45478cf7d706b5e6f53c8cc910cd3f3298aedeb686cad
SHA1 hash: f2cc0f677a095c354cd68c4fb4f9f611f60c480a
MD5 hash: af8c5b1f2cf3a65e7e18f195b27bda14
humanhash: salami-failed-princess-item
File name:TPS2104503 翰聯 G519 BL DRAFT.SCR
Download: download sample
Signature Formbook
Create hunting rule
File size:451'072 bytes
First seen:2021-11-25 20:42:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:rtb0OvpsNoE7uq6BFmfmCutRuVZkhJfAUNQ5moKJlzMA5LyGuWd4u809jAm+2L4R:rtb0HixBFmoHRvA8Q5PK1h08L+e2
Threatray 11'981 similar samples on MalwareBazaar
TLSH T158A40114A7FD5220CEAD4BB7B4B15365933AE12AFD0ACB1833D1B16519D23128B623DF
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TPS2104503 翰聯 G519 BL DRAFT.SCR
Verdict:
Suspicious activity
Analysis date:
2021-11-25 20:45:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/27f33c95-47ad-4174-be6f-448f3395b426

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619ff558b71ceed415308857/reports/4730dd48-4ce5-4cd6-aaae-38f877791bcf/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2f02b056-c9cc-46a5-a28a-2115626acddc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896368
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 528846 Sample: TPS2104503 #U7ff0#U806f G51... Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 36 www.theplaintalker.net 2->36 38 www.oruncorp.com 2->38 40 2 other IPs or domains 2->40 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 11 TPS2104503 #U7ff0#U806f G519 BL DRAFT.exe 3 2->11         started        signatures3 process4 file5 34 TPS2104503 #U7ff0#...19 BL DRAFT.exe.log, ASCII 11->34 dropped 14 TPS2104503 #U7ff0#U806f G519 BL DRAFT.exe 11->14         started        17 TPS2104503 #U7ff0#U806f G519 BL DRAFT.exe 11->17         started        process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 19 explorer.exe 14->19 injected process8 dnsIp9 42 www.freeflowinitiative.com 217.160.0.213, 49815, 80 ONEANDONE-ASBrauerstrasse48DE Germany 19->42 44 fizzlebu.net 185.174.28.224, 49752, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 19->44 46 15 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 58 Performs DNS queries to domains with low reputation 19->58 23 chkdsk.exe 19->23         started        26 autoconv.exe 19->26         started        28 autofmt.exe 19->28         started        signatures10 process11 signatures12 60 Self deletion via cmd delete 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64 66 Tries to detect virtualization through RDTSC time measurements 23->66 30 cmd.exe 1 23->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-25 09:26:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 44 (52.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mtw6uogcxqw6ggste4722gio2zo3sqtkfdr4pkcr6w4wypjoi4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ba605473b6fc3b244f25a8838e41a642dbf9566d347d3ea084e96bbe88aebde
Formbook
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
3b5e31e4b62087dfa7cac1a39c31896d25d465c971fe1db3e9a9271471ce416d
Formbook
6b7d061085da569762cabe1387c4aed2fe6fc1bac9634429b636a020122f77aa
Formbook
77e1c24ecfa1d339f61b4b8011690425fa0038b3fe32761f5ce8b3126c28c5ad
Formbook
a649d216b55b0f0597a16690b8469b6b44b9cdc73560d8237387b2df225ab20b
Formbook
afac806262706aea36f8c34cb56ffa94f49da9b39b752cfd077f9b921e972c1d
Formbook
b830b088dcc04db74fc8afbb16dcfff0134c405228be44df5d996a9a5b254bff
Formbook
+ 11'971 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mc6b loader rat
Link:
https://tria.ge/reports/211125-zhkhnabhd8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.orderinformantmailer.site/mc6b/
Unpacked files
SH256 hash:
57f345b6d516489389fffeedc00c642e0d850485b36ea9829e092d3f7cc601e5
MD5 hash:
18d21f966189dc6ac738a0e718106474
SHA1 hash:
007d152fdd6ff727262689be34b2217626eee6d0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1f9e5a34-dd88-4b4d-93ee-881eb5a8929c/
Parent samples :
6d1db64be8034306d9b947c25edf28730771762e1df73dc15f4bb2347266f4a1
05d5b977ea607673e5be640c0a73fd382e02eeecac8e91ac7e3e36bd334e32d4
fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239
b3abc09be3775f75fe01c084e3024371dcf7bba8b91e97d5ecf35862f9812ee2
d1edc3c0253606f0816f85d7eafe573813deb260842945ac31c376cb28d7504b
SH256 hash:
a3b6a1f9242597a31cb73f604d42a6ba0817aea8ccb95601d392f823b1d891ed
MD5 hash:
a709944c02bcf39efccd38bb2699ca0b
SHA1 hash:
df9b73239e831b3f1522ed49bc0dd245fc64e010
Link:
https://www.unpac.me/results/1f9e5a34-dd88-4b4d-93ee-881eb5a8929c/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/1f9e5a34-dd88-4b4d-93ee-881eb5a8929c/
SH256 hash:
fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239
MD5 hash:
af8c5b1f2cf3a65e7e18f195b27bda14
SHA1 hash:
f2cc0f677a095c354cd68c4fb4f9f611f60c480a
Link:
https://www.unpac.me/results/1f9e5a34-dd88-4b4d-93ee-881eb5a8929c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fb276f51c615/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239

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 fb276f51c615e16f18d29939fd68c876b2edca1351471e3d428fadcb61e97239

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209509/

Comments