MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7
SHA3-384 hash: 0a9991cb80bc94239bdb56e690423143ec3a41e38b2cbc1fcbc1435df188e60dc07b3cfb6866d42ecb4b8849cfc8a351
SHA1 hash: f8f888596f6f841b0e7d8b34723aa48fac5eb37f
MD5 hash: ed7c7be48fb96d950632142859ececcb
humanhash: yankee-earth-fillet-oregon
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'096'704 bytes
First seen:2022-11-03 00:26:45 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:WFtPvcqttqb+YXDLs1dxk8iEwhuJ0zps72g8MhiXjkX9iBR5nTjsch5Ls7QJhUAn:+aydxkbuJEs77hiXK8R5TjsUNMu/HJ
Threatray 16'671 similar samples on MalwareBazaar
TLSH T1BE35E0E2F652C401E5D53332C5A2FB3427A16EF195A6C60EB4C12B95380336BAD167BF
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4ce8a6766981cccc (11 x Formbook, 5 x SnakeKeylogger, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 00:28:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fbc98af0-adee-4a8a-bd5b-cc5d59967ae0

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/327459/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.46086.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Forced system process termination
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63630ad61fb205cdb20b3ce5/reports/fd79a4af-81f4-483f-b5c0-c290811fbe51/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/53ba2770-6bbf-44d2-a3e3-cadc57133dc5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103875
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736537 Sample: Quotation.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 10 other signatures 2->74 10 Quotation.exe 7 2->10         started        14 mhdSIbIoADcUAe.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...\mhdSIbIoADcUAe.exe, PE32 10->46 dropped 48 C:\...\mhdSIbIoADcUAe.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp7D23.tmp, XML 10->50 dropped 52 C:\Users\user\AppData\...\Quotation.exe.log, CSV 10->52 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Adds a directory exclusion to Windows Defender 10->84 86 Tries to detect virtualization through RDTSC time measurements 10->86 16 Quotation.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        88 Multi AV Scanner detection for dropped file 14->88 90 Machine Learning detection for dropped file 14->90 92 Injects a PE file into a foreign processes 14->92 23 mhdSIbIoADcUAe.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 Queues an APC in another process (thread injection) 16->66 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 bit-prim.trade 67.223.118.107, 49699, 80 VIMRO-AS15189US United States 27->54 56 www.vhkopiu.top 165.3.120.4, 49700, 80 ASLINE-AS-APASLINELIMITEDHK South Africa 27->56 58 www.bit-prim.trade 27->58 94 System process connects to network (likely due to code injection or exploit) 27->94 37 colorcpl.exe 27->37         started        40 chkdsk.exe 27->40         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Tries to detect virtualization through RDTSC time measurements 37->80 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7/
Threat name:
Win32.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 09:49:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mkfwom5sl4l3xmx5qqjpw2rpkb7oqbv3nfnzhtxmle6ig56wxo3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a8b952a910a7278793ed7f7373b628afe07138aedde676453482806b2ea7b0b
Formbook
1b2fe76bd1cad45feafc7bbf7301e8f48018aa27504fbb88af5d7030b6d0d242
Formbook
35511df3a80e96c275e6d63f58921358bf51dbef3f981a316d2212242112ba9f
Formbook
48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
Formbook
9fdb9a2f37301c92127d7c8efcf941acae143968f98c01704453bf6acda3ac45
Formbook
ab0843bedd48b6050c5549507e9297766ff8a12742b93ac408a517c038911a1d
Formbook
c48d62d8d6f694ec85fb1c5661b0d09ade998b6ae765a47d28c3b8cf5849bf87
Formbook
e13e08e3de1d9fa5a1fee56048118bf59a11ebbadbe2b38af4f10fecb6d29796
Formbook
e8db90d8d2528f0767e5b82262223e07578e29f8e4166df3cf495318006ebbd6
Formbook
+ 16'661 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oi05 rat spyware stealer trojan
Link:
https://tria.ge/reports/221103-arrkwsdaf4/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3209668e-df77-4531-928b-e122abed965c
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
Parent samples :
bb31f67ff9a8985a41245a540c463ddf3b997827c5f76993b766c908fac37ba0
8666919a6c0b0471716c102acbdd37f7c5f2f95d944b7f5258717875e7cd7d64
490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0
07f8800c833b485dfea0fe554af67a2a26ba704c9cc3304881691a0ffc725a61
ce90d3fe87ec85c25c166e60202e4448cf6cd73d9a2d32ce1dd02210f269dc95
0a4f2780675dba7b68a7a3b7e89ea12329f432652e8f7aec4df2fdb02861c971
e13e08e3de1d9fa5a1fee56048118bf59a11ebbadbe2b38af4f10fecb6d29796
628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7
02a295ce51b4674c85ed84ec642bb507902c2061f160fd10905931d31473e529
064b63296e5ed2b796567b20dba4dde90783018b9058facf6fe407c360df7779
5051fb6e35a32742bd84a73d2dfcb41b7460a75b14df025b6fd9003cfd2f4dd5
e12e92ded58d05cf87a0cdf4323859145f5aa09da69e4dd3ab622e65a9888587
cf241bb419e3f76e1de76514e4c015b2afd1ddcdfa52ae158717e78f7090e014
ec97b2959f4dc8a687cf3b573c50bd1eccb24c756e2070be312f9fc4136f067e
90c6128ca426717f3aab904fda4124ae91a1aad1a670b0f5b8a2b210a19d721d
ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd
05644ebbc57c10f6065f97bc7d4780e9152e20f502def64d4ba3085a286909e8
80b80845ee4a8518871ba71bba822baf33341129eb94c1f512684c613133c3bf
e784a935fe7202811e85a6d032f0787f563426c30ac222377b3a5eeb66f157b3
7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e
d202c27ed2da0f1864f0ec0d760a0afb406b27b637ced263cd0962385786eab0
3bdedad14e8d65032fccc3e16af3107b17fa664afb2f4c0cf081a8cdfb196f05
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
SH256 hash:
de35f6c09ba09d116b00fb3f3497541739505df4e722256892ebcc971093272e
MD5 hash:
c02cc00038448e800ea07c3e9595f990
SHA1 hash:
077f64d6f4077b01f35e9ee9088c70daef442d1d
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
SH256 hash:
4c6cfd7ae82ad40585b8d6b86848d8e7d04cad092f56e8c559c162bb32a28b6c
MD5 hash:
5fc9f075182dc867922b7e236786d6c3
SHA1 hash:
00be877a6a36ec3a0db3a80dc336643a7f7d4c70
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
SH256 hash:
628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7
MD5 hash:
ed7c7be48fb96d950632142859ececcb
SHA1 hash:
f8f888596f6f841b0e7d8b34723aa48fac5eb37f
Link:
https://www.unpac.me/results/267e55fd-59f4-47ed-aa35-9346d7d01672/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/628b6733b25f/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/628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7

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 628b6733b25f17bbb2fd8412fb6a2f507ee806bb695b93ceec593c8377d6bbb7

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/327459/

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