MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c
SHA3-384 hash: 401d05deadbde3196b1af35389f2a27992b90b4607180309b2ef68d96d6005a89c3ac028271e682f9146e0c2b300cd97
SHA1 hash: 13e38a952f6d52c1fcc9ba279575338283be145e
MD5 hash: e044c034a6638b1180a707cc40de4626
humanhash: high-mexico-fanta-wisconsin
File name:Quotation-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:825'344 bytes
First seen:2023-05-05 12:46:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tBEhK0xPmaqZBTVa0aHUaZcamHBvyxBxSJlSui4+HQlppkP4YgBNUOW:tJ0xuaqrT0ZlZcrHFyrEW4+wlC7gBNc
Threatray 2'871 similar samples on MalwareBazaar
TLSH T15005BE64E3A68402D40BCE731A5CF5B012717C9B7DD58A6467EA7F9B7BBBB40290024F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation-.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 13:06:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/26e92342-2bef-4a89-9a8d-bc25c6fb7b9f

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/386935/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6454fac76f1da0943fbfefaa/reports/513f6ed2-8270-48d9-9d71-cf1089109494/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c
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/dc306b93-8db2-4801-b4d8-969bbea7474c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1226909
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 859878 Sample: Quotation-.exe Startdate: 05/05/2023 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 6 other signatures 2->78 10 Quotation-.exe 7 2->10         started        14 rSZWnlNIBonvNr.exe 5 2->14         started        process3 file4 52 C:\Users\user\AppData\...\rSZWnlNIBonvNr.exe, PE32 10->52 dropped 54 C:\...\rSZWnlNIBonvNr.exe:Zone.Identifier, ASCII 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmpE80F.tmp, XML 10->56 dropped 58 C:\Users\user\AppData\...\Quotation-.exe.log, ASCII 10->58 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 10->86 88 Adds a directory exclusion to Windows Defender 10->88 90 Tries to detect virtualization through RDTSC time measurements 10->90 16 Quotation-.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        23 Quotation-.exe 10->23         started        92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 96 Injects a PE file into a foreign processes 14->96 25 rSZWnlNIBonvNr.exe 14->25         started        27 schtasks.exe 1 14->27         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 16->64 66 Maps a DLL or memory area into another process 16->66 68 Sample uses process hollowing technique 16->68 70 Queues an APC in another process (thread injection) 16->70 29 explorer.exe 1 1 16->29 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 27->37         started        process8 dnsIp9 60 www.drinkcircleback.com 66.96.162.150, 49684, 80 BIZLAND-SDUS United States 29->60 62 www.alphaestetica.com 29->62 98 System process connects to network (likely due to code injection or exploit) 29->98 39 control.exe 29->39         started        42 autofmt.exe 29->42         started        44 autochk.exe 29->44         started        46 control.exe 29->46         started        signatures10 process11 signatures12 80 Modifies the context of a thread in another process (thread injection) 39->80 82 Maps a DLL or memory area into another process 39->82 84 Tries to detect virtualization through RDTSC time measurements 39->84 48 cmd.exe 1 39->48         started        process13 process14 50 conhost.exe 48->50         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-03 08:46:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gom6kvvvsmpx3hr2t3dklfmlz5o7j4tfs2yo7nivptmdzcpnbuoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c50b01cbeaf831465322319b5697cea9f857dc113127439230c86c68ebb6698
Formbook
2c41ec55217c805b8a73085daa06089d01cd601d1bc16a0099be113222e0446b
Formbook
33451b5d8df79929f85d193cd594c0d29424037e52915991bcdcbce81a284635
Formbook
65ad076012248dc504abe8812d6b4d2128a0aa7c3de0857a0c836e6e33497347
Formbook
80c6293d18c38b686ea6ab60d134247f8d72553be2d20a305b94c78115227667
Formbook
8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b
Formbook
a662463b94dc39ece0f3b0d885772475a475b8e1cb347e0909087ced1f54e552
Formbook
b5f2e0b49faad7f9714d0b1088965647eb83d8772b234555738bcea1094dfd2f
Formbook
bf15bf7ad5e678a40cca28a50fbe8a4f4aa8b86f3480820d8c0178db3107cb15
Formbook
e843a90ec56b0efbd176b3856d811875e24b98ae6fdf77985e1b77916ab4259b
Formbook
+ 2'861 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae30 rat spyware stealer trojan
Link:
https://tria.ge/reports/230505-pz7dmsce4t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b56fd59488310faed9f321af83f087656ac3c3c7d0e38f2d21a4283ed8b077a3
MD5 hash:
282ebb9b52249c2d2d05c07a3f73bb5a
SHA1 hash:
987b1df03d441c27d03b18b0ae9c3cc16570231b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
Parent samples :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 hash:
85e4f6e123395088f7f91dd5405d548379567d2216a7206fcb754975645be5b0
MD5 hash:
88a3d827d22624ad41d52775a5896f07
SHA1 hash:
e90e984b19037d2f00870873dce75ab8f2766484
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
SH256 hash:
280001013946838a651abbdee890fa4a4d49c382b7b5e78b7805caef036304e2
MD5 hash:
d4b6893a5512534104c6c7403be60897
SHA1 hash:
d4b51c3e4cafb3b146435a4e2e21bb5ddf15956d
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
SH256 hash:
e3e38b19e78b8589202a9e8901213f5105933f6e0b5f63896e325e8bf0110cdd
MD5 hash:
a4ae275282362cb70f2747bec82dad5d
SHA1 hash:
b0eb7f10236b13a6772b2ba55d9284ffc452ac64
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
SH256 hash:
3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c
MD5 hash:
e044c034a6638b1180a707cc40de4626
SHA1 hash:
13e38a952f6d52c1fcc9ba279575338283be145e
Link:
https://www.unpac.me/results/7f5b3859-02f4-4b32-9b33-09cd7518640a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3399e556b593/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c

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: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 3399e556b5931f7d9e3a9ec6a5958bcf5df4f26596b0efb5157cd83c89ed0d1c

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386935/

Comments