MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3
SHA3-384 hash: d8f6247f19087418fe3c7458cbb7a9429d6ee87b1eaf63efa483463bb219588c3d158b562dc1288287549f9abc72978c
SHA1 hash: 907889ef592995b2e923bc367ad5fe5fb3ab8275
MD5 hash: 1d229f76672a250bd0c2ff84417d63e3
humanhash: oscar-cold-ten-emma
File name:REQUEST FOR QUOTATION.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'282'048 bytes
First seen:2021-02-23 07:11:42 UTC
Last seen:2021-02-25 23:56:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:R/jnUkDtGR2n4mcrtgRXLhwymVnx4AAcK0Aw7zkXFl1Cvt:R4RQUaRXLCVnxQcK0mFl1o
Threatray 3'888 similar samples on MalwareBazaar
TLSH D2553B42B2246F6EE43D473B84A82E5583F8ED02E351DE5B3CE474EEED62F915B41221
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
9
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118469/
Detection(s):
SecuriteInfo.com.Win32.28612.18448.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615105
Signature
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 356564 Sample: REQUEST FOR QUOTATION.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 14 other signatures 2->60 10 REQUEST FOR QUOTATION.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\JzXynzIhLqqy.exe, PE32 10->38 dropped 40 C:\Users\...\JzXynzIhLqqy.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9ADB.tmp, XML 10->42 dropped 44 C:\Users\...\REQUEST FOR QUOTATION.exe.log, ASCII 10->44 dropped 13 REQUEST FOR QUOTATION.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 72 Modifies the context of a thread in another process (thread injection) 13->72 74 Maps a DLL or memory area into another process 13->74 76 Sample uses process hollowing technique 13->76 78 Queues an APC in another process (thread injection) 13->78 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 48 www.internationalsoccerteams.com 204.11.56.48, 49767, 49768, 49769 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->48 50 premiumnetworkstore.com 166.62.28.109, 49761, 49765, 49766 AS-26496-GO-DADDY-COM-LLCUS United States 18->50 52 4 other IPs or domains 18->52 62 System process connects to network (likely due to code injection or exploit) 18->62 24 systray.exe 18 18->24         started        signatures9 process10 file11 34 C:\Users\user\AppData\...\8LMlogrv.ini, data 24->34 dropped 36 C:\Users\user\AppData\...\8LMlogri.ini, data 24->36 dropped 64 Detected FormBook malware 24->64 66 Tries to steal Mail credentials (via file access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 3 other signatures 24->70 28 cmd.exe 2 24->28         started        signatures12 process13 file14 46 C:\Users\user\AppData\Local\Temp\DB1, SQLite 28->46 dropped 80 Tries to harvest and steal browser information (history, passwords, etc) 28->80 32 conhost.exe 28->32         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-22 23:50:43 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxn2656jshsxg7wpsba55i2kp2pmuhrysjp7ne2ainndz7ytcsrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09715a97873a089c9dc80219175d50508628f4f794639c2e725bad85d68804c2
FormBook
125b3f2e9eef8a9a9ef6c677fd9a30af2f153284c727aa914329e77bfe2ac49d
FormBook
27084ca2efd9f211569b913d31d8caee75cb773e73367c3f6cd40a78889a1934
FormBook
38acc90cd6d33b61b99cca8cf06781e1bd2ab8ffebc3a33e036eca36037d413b
FormBook
48afec636886aebdf7f0be7d5b9c034f2568b890215a15f13554933d94322045
FormBook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
FormBook
a1db821171c7bd2950fad26899fbbc88c787f0cc7d869ee9b29f86bf09ebb92b
FormBook
a8599ed108a38560de3851540edbbf3b83fc87a0f56fb883a24d6fda82b90c8f
FormBook
c848b9f81ec7dcc330cc57ede3482805ccad25143eac801f7f56fc5cc0ccace5
FormBook
d68888aa1e155ac65bd1ddabcf05f61bfff65f79a11cc0ee099200c3da8c5d35
FormBook
+ 3'878 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210223-npdkln63w6/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.entrustedhomeinspections.com/xxg/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/147935a2-62bd-41a2-89a8-15ed23c62881/
SH256 hash:
65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3
MD5 hash:
1d229f76672a250bd0c2ff84417d63e3
SHA1 hash:
907889ef592995b2e923bc367ad5fe5fb3ab8275
Link:
https://www.unpac.me/results/147935a2-62bd-41a2-89a8-15ed23c62881/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3

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 a153adc2cccda97da65315979e062da60f392da24fb1f9b14a1c0e848aaa5ae6

FormBook

Executable exe 65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3

(this sample)

  
Dropped by
MD5 d32fc276228cb8f8366c4f8f5895b5bf
  
Dropped by
SHA256 a153adc2cccda97da65315979e062da60f392da24fb1f9b14a1c0e848aaa5ae6
  
Dropped by
FormBook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118469/

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