MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4
SHA3-384 hash: 18b66c75a67008520e6bcdceb900d00ffeadc35c074412e1de8ab7a9d91fcf06a4212e900825fa34db050c4fdc120dd5
SHA1 hash: 834b6a4016818640c887fde445c3415347ea7cd3
MD5 hash: 340648352fb7270bf8d037c9c9a39206
humanhash: queen-april-illinois-four
File name:Yeni sifariş.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:709'632 bytes
First seen:2021-09-29 09:49:18 UTC
Last seen:2021-09-29 11:22:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:PD4VHfQe6ZyWshg+qbZxTZZWunAWvTjM0LvDe14CAZiy0gjz7e17u0l3Qb1jQO0c:PD4VHfQe6ZyWshg+qbZxTZZWunAWvTjK
Threatray 9'745 similar samples on MalwareBazaar
TLSH T168E48D5DF21CE29EFC0903F021257CD415E81CAD197CFA27BEA6A5E230AEE7651F1096
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Yeni sifariş.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 19:50:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b8ea312d-20d5-43e4-ad6b-fae9561ca356

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/193080/
Detection(s):
SecuriteInfo.com.Artemis340648352FB7.14203.10137.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860743
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493177 Sample: Yeni sifari#U015f.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 16 other signatures 2->52 10 Yeni sifari#U015f.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\wpXZHs.exe, PE32 10->36 dropped 38 C:\Users\user\...\wpXZHs.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB1CA.tmp, XML 10->40 dropped 42 C:\Users\user\...\Yeni sifari#U015f.exe.log, ASCII 10->42 dropped 56 Writes to foreign memory regions 10->56 58 Adds a directory exclusion to Windows Defender 10->58 60 Injects a PE file into a foreign processes 10->60 14 RegSvcs.exe 10->14         started        17 powershell.exe 24 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 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 2 other signatures 14->74 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.7xqfkg.com 107.186.167.188, 49783, 80 EGIHOSTINGUS United States 21->44 54 System process connects to network (likely due to code injection or exploit) 21->54 29 msdt.exe 21->29         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 29->62 64 Maps a DLL or memory area into another process 29->64 66 Tries to detect virtualization through RDTSC time measurements 29->66 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 09:50:08 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y3z3tea6vvjuu5noy26x6khvau227cd5wwcx4q4eribgrixhxhka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
6bcdb1b6795c22308aee5d390cfae409d21a3238a304466dd54c1dee43570afd
Formbook
6c0e85b84f2b1dfdb580a168386ad91efe7f734066ff3a12a0d359fcb4711dca
Formbook
727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
Formbook
a99b696e8ac16303843b26c95c982d5be9b9fd657d843937cc586c9a8dc29b83
Formbook
b11a7103f96fb02a8df7ad0e821f0083f48f56cc38df47d8573f39c0d4a19235
Formbook
dcee55c9896715272cfd344a7a62fe6c5dbe0e61d7d8548beeda46c15bd8e07c
Formbook
e14df53adff2889344d4502133a00a389e06039715c26a7724ed3f046fc683a1
Formbook
f34b081e06b7cfcdabd9055fad7790bc66a20d62846172a24f914bf2d5298432
Formbook
+ 9'735 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gefn evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210929-ltyyjaedf2/
Behaviour
Creates scheduled task(s)
Gathers network information
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.comercialocaranza.com/gefn/
Unpacked files
SH256 hash:
3b01b22e4efc58c5b4df5a77ae8a8bccda91be23cb10eb1835d0f6231d64fc9a
MD5 hash:
6761ba8b01f92d9316a2461d3dfa1a65
SHA1 hash:
fd6ba73f14b2f635e120044e1235d05c5b635950
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
Parent samples :
c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4
807ddfd4b164d8e8bb8e0fdc0976db33ae55b021aa7917848a35963c6a4846aa
5f3ccb49e66ef3bf10ec0a226360f55238063c739154cb131407ff02d0706e67
4517acad2a12d3e01c67148a0666cec3a631e0bd657b1dbb40efa30f951f9205
2152a980e864940db36cde90c649f66e7c2da15790e97703a28cb378fb7b5ca6
SH256 hash:
683f8522263aa5e56eedbe881dafdfd5fc596dcd68f88bbf98bc32257b322fea
MD5 hash:
b593bd937ebff8d0cfb3f2860f3c612a
SHA1 hash:
687ba40fe88ca9dc8203dfbd78119a13651ec35a
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
SH256 hash:
8b1f64a596faf31082e0d79a88a071d1b06618d5287f8bd58d5751978bf63d16
MD5 hash:
e0ac0f4a8c9bea269e7c66c01eea4b1c
SHA1 hash:
4423f2510ee2071e5846f813e3f12ff3a68da3f3
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
SH256 hash:
c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4
MD5 hash:
340648352fb7270bf8d037c9c9a39206
SHA1 hash:
834b6a4016818640c887fde445c3415347ea7cd3
Link:
https://www.unpac.me/results/9e9f465b-6f64-4976-8fbd-f056acf6c31b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c6f3b9901ead/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/c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4

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
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 c6f3b9901ead534a75aec6bd7f28f50535af887db5857e43848a0268a2e7b9d4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/193080/

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