MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
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SHA256 hash: d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
SHA3-384 hash: b4a921bb5f20dcc0b8358bab8395b87347524640718fac83c6eb26f0f592201f34349a52a42c5b6ef7148d15a7f8efd8
SHA1 hash: 9c17b21c9b6013ddab38b7a6ba5badf94e7d8f31
MD5 hash: d0a3271d3966f4765b194b203abaf782
humanhash: dakota-september-fix-nuts
File name:d0a3271d3966f4765b194b203abaf782
Download: download sample
Signature Formbook
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File size:569'856 bytes
First seen:2021-07-01 06:32:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0EFVzMFRaI5qSeMLLer3wE7NuRXGJKB7Q9AcyjL8DP:hav5SzwE7NuBlB7Q9AcIcP
Threatray 6'223 similar samples on MalwareBazaar
TLSH E1C4E05235489DBBE2131CBA4C1DD2B115AB6D246059E52CB5AE330F19F232613EFB2F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d0a3271d3966f4765b194b203abaf782
Verdict:
Malicious activity
Analysis date:
2021-07-01 06:38:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fa26887c-ae30-426c-80e1-bbc8ef4e25a3

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/169067/
Detection(s):
SecuriteInfo.com.Variant.Bulz.541197.UNOFFICIAL
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Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e8f2f6ea-ca11-466e-85d8-f9fbb96f4d89
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810366
Signature
Antivirus detection for URL or domain
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442781 Sample: 9v9y9SNdNn Startdate: 01/07/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 6 other signatures 2->46 10 9v9y9SNdNn.exe 5 2->10         started        process3 file4 28 C:\Users\user\AppData\...\9v9y9SNdNn.exe, PE32 10->28 dropped 30 C:\Users\...\9v9y9SNdNn.exe:Zone.Identifier, ASCII 10->30 dropped 32 C:\Users\user\AppData\...\9v9y9SNdNn.exe.log, ASCII 10->32 dropped 56 Writes to foreign memory regions 10->56 58 Injects a PE file into a foreign processes 10->58 14 9v9y9SNdNn.exe 10->14         started        signatures5 process6 signatures7 60 Multi AV Scanner detection for dropped file 14->60 62 Machine Learning detection for dropped file 14->62 64 Modifies the context of a thread in another process (thread injection) 14->64 66 4 other signatures 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 34 www.tranz4mations.com 17->34 36 www.rspermatabekasi.com 17->36 38 tranz4mations.com 34.102.136.180, 49747, 80 GOOGLEUS United States 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 cmd.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e/
Threat name:
ByteCode-MSIL.Downloader.Seraph
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Status:
Malicious
First seen:
2021-07-01 06:33:08 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22
Formbook
25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62
Formbook
3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
Formbook
5313ca84959a3d88973ad5b85acc66e268c3e8874d5d6f21fcd4a4c1a7628496
Formbook
5fc1f737492b4a7e01b1e2befa4e25b1a65c7a6a83b4ec419660d0c3c4894300
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
851ee4f67cc28e3634b0062d77f62222d026c4e9674a894bcdd5b6c6e6bda376
Formbook
d933001638f194baed0596efe53af5dc534ad6f5177aa8aacf2c25188fbdd2f4
Formbook
e2c0e25768a1b24398536bf921e5e86f9137ecc08e9eba2101fd5213b3ec0fcf
Formbook
e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
Formbook
+ 6'213 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210701-823vy4862a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lifeafterbobby.com/vn3b/
Unpacked files
SH256 hash:
3350c0b7d75f7b2856fde6fe546579027f5b20a6dd12fc04a8df047162abcee4
MD5 hash:
6f67a87376019d461ab0953769ce187b
SHA1 hash:
f2ab719f7f8e81f47f859b0e282803f10d3fd341
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/413ce86d-bfa5-4447-bb54-31a77dc0f0dd/
Parent samples :
e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22
e2c0e25768a1b24398536bf921e5e86f9137ecc08e9eba2101fd5213b3ec0fcf
d933001638f194baed0596efe53af5dc534ad6f5177aa8aacf2c25188fbdd2f4
d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
14ebcbc69653d3257eb42c91734bcf2a1ca5dff12c31c06cf955279ea4af5bfd
c36fa12719f133f394b113938584b1d693d4741df4e40d34958dcee239ecd153
SH256 hash:
5fe3001ed210f388f566353651d4580b1015bb5048658636194d4561a5db6d83
MD5 hash:
e528aa84b488c6c6098aff327e42404f
SHA1 hash:
d50e422700016225a5ba4446001ff76851f3c78f
Link:
https://www.unpac.me/results/413ce86d-bfa5-4447-bb54-31a77dc0f0dd/
SH256 hash:
34fc6d689c7545c2d49cfbb54bcdf76cb492ece62605e40eb04502e6fd3406af
MD5 hash:
bed413fe69460ff52b09b4930a59cf90
SHA1 hash:
3cd19a1021afb262e6163cf05561f02f1ae80c66
Link:
https://www.unpac.me/results/413ce86d-bfa5-4447-bb54-31a77dc0f0dd/
SH256 hash:
d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
MD5 hash:
d0a3271d3966f4765b194b203abaf782
SHA1 hash:
9c17b21c9b6013ddab38b7a6ba5badf94e7d8f31
Link:
https://www.unpac.me/results/413ce86d-bfa5-4447-bb54-31a77dc0f0dd/
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/d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1415535/
Cape
Cape
https://www.capesandbox.com/analysis/169067/

Comments


Avatar
zbet commented on 2021-07-01 06:32:27 UTC

url : hxxp://212.192.241.203/xx/ew.exe