MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24. 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: 12


Intelligence 12 IOCs YARA File information Comments
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SHA256 hash: dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24
SHA3-384 hash: 063b0bcc8644bed338809715ca757579b794f5e0d8a1384090b26b8870e15eff975582319a989b47bf51150c76c76279
SHA1 hash: 027ec850ee32018f645e19cb402abe8e773e331b
MD5 hash: cdaedb9d5d04e8af5ba12e6a5463bcc4
humanhash: hot-sad-lima-victor
File name:mobi9000989.exe
Download: download sample
Signature Formbook
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File size:305'836 bytes
First seen:2022-03-03 11:05:03 UTC
Last seen:2022-03-03 12:52:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiRdh8v32Yo92Qwl+xz6V0peVMvv3s6p9dKKl5rVR8YyVMb:9d2v32YJQw+zGTQv3s6vdKm54XMb
Threatray 13'784 similar samples on MalwareBazaar
TLSH T1EA54131769C06A77D5724F3012BE5A3D93FBA3C50095290B2F943F3D7922B278B0A597
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/246949/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.15261.26604.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/47795c96-5323-4bb4-8b75-14515bf73c82
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949996
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 582479 Sample: mobi9000989.exe Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 34 www.mlbl1.xyz 2->34 36 store-images.s-microsoft.com 2->36 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 5 other signatures 2->54 12 mobi9000989.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\noyrypvmq.exe, PE32 12->32 dropped 15 noyrypvmq.exe 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 noyrypvmq.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.natashasadler.com 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 WWAHost.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-03-03 11:05:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 42 (54.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3q4y7f6hyjeo43tgts4rbnqxejgb3jhlqm4kg76e5waspbhyhisa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
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Formbook
0736da1f42878cc4630f0b855fb638e76989fc53513fac93061cfdd49f9c94cf
Formbook
0b32f79b8abe4a232193f819dccfa47a922353e961d37d1becd35171c2b04a89
Formbook
0dd6c6526e7ccdabf1ee6ceae3d38018d78288e543604f67995300f23eebc4b0
Formbook
0e60ab02aa9936b071370ea4d7163f77da68cc6eedb562016311e53f67502405
Formbook
4b11b45c019f5c15f5568d5c1258cb1cb077aaf59bdff581e5efc280047f62ab
Formbook
8c7c6966c40ca10cdb43c9520c24ae932e63429fbc858b2c05f94f1bedbe0efa
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bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
c6cbe14f336bc97cc4bf2db682cc36efc1b371f6cc45509ee347c29348903676
Formbook
d07fe0d534c8cff1f0f104f5036d547fbf837671f3de78f00a88caf0cd5e4451
Formbook
+ 13'774 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:mh76 rat spyware stealer trojan
Link:
https://tria.ge/reports/220303-m6v8vaage4/
Behaviour
Gathers network information
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24
MD5 hash:
cdaedb9d5d04e8af5ba12e6a5463bcc4
SHA1 hash:
027ec850ee32018f645e19cb402abe8e773e331b
Link:
https://www.unpac.me/results/814b6ba0-37b6-4bad-ae84-92caacb5c101/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dc398f97c7c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/246949/

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