MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208. 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 3 File information Comments 1
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SHA256 hash: 0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
SHA3-384 hash: 26682c4a31bb8a5fd6cf1870b14e85da1e0bcb7963d8ee1bd609bd3b776fc5b187135e8c569b468f1e9ae4ba8342a6b8
SHA1 hash: d3254d4f7286564b6e4f5ab1ce2ec8e63c2ff01f
MD5 hash: 7a22173f55c2f9902e2d9476d53608ed
humanhash: carbon-delta-florida-california
File name:7a22173f55c2f9902e2d9476d53608ed
Download: download sample
Signature Formbook
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File size:898'048 bytes
First seen:2022-06-15 20:10:04 UTC
Last seen:2022-07-15 02:56:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:YAhLuyyJOWoGHfh9yU6EwzuRdGdkLsmx7F:YkLuyyJOWoYyUtwzocdkNBF
TLSH T1F11502137A68434BD59C83B8F8314CA467353F4AA155E75E1D923ACF1A327208C5BBBB
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)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280372/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.FormBook.EVF.MTB.28386.6590.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62aa3cdd6ca90a5b22c4c8ca/reports/fcb081e6-ae68-4043-97ac-80fd782f328b/overview
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/09e032f1-1eab-4c1a-8bf9-5ed279d2453b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014022
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646519 Sample: 4BhBGkzcgm Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 34 www.999writer.com 2->34 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 11 4BhBGkzcgm.exe 3 2->11         started        15 explorer.exe 59 2->15         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\4BhBGkzcgm.exe.log, ASCII 11->32 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 17 4BhBGkzcgm.exe 11->17         started        signatures6 process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 20 explorer.exe 17->20 injected process9 signatures10 52 Uses ipconfig to lookup or modify the Windows network settings 20->52 23 ipconfig.exe 20->23         started        process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        28 explorer.exe 119 23->28         started        process13 process14 30 conhost.exe 26->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-15 19:33:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjpslyo7uqymkpa7ymfo4hauh3sr7fdri62gpqigtr5fiftwyiea._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:v05y rat spyware stealer trojan
Link:
https://tria.ge/reports/220615-yx89wsehc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3c008abae4b5d0271840c49abcacb276815cf884ab9d95ee6db02fd2d628802f
MD5 hash:
7cbca92dcbd70c40b77663eee5c55fc4
SHA1 hash:
a17ab8ac5487034671ce5a33db89ec9f5fb8ea2e
Link:
https://www.unpac.me/results/d1613eea-760d-4e23-975c-24f21be03b6c/
SH256 hash:
95a01e9c5cd10f1955efb464fbc31e1e9978d640616e532169d543593f41d3d1
MD5 hash:
b9cbff1142d7aedbb1a3bbe584360c94
SHA1 hash:
ac1c43beecd11743e065f85fa73b35dd50b1bbc1
Link:
https://www.unpac.me/results/d1613eea-760d-4e23-975c-24f21be03b6c/
SH256 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
Link:
https://www.unpac.me/results/d1613eea-760d-4e23-975c-24f21be03b6c/
SH256 hash:
aa9395a32411b61c7d13fc95a27bf035add9f4e09e8e82f99a0c3e4a962bf0bf
MD5 hash:
a127a3c4f8240f81c76e3fa52ce2428a
SHA1 hash:
9c9bb9eb34e321cbfe3937ae2e25a832d214cbb4
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/d1613eea-760d-4e23-975c-24f21be03b6c/
Parent samples :
da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
eeabe3129e3e52ef1f5fe98b73c375ee55ea1163ba441421234951f514fd1d89
b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
SH256 hash:
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
MD5 hash:
7a22173f55c2f9902e2d9476d53608ed
SHA1 hash:
d3254d4f7286564b6e4f5ab1ce2ec8e63c2ff01f
Link:
https://www.unpac.me/results/d1613eea-760d-4e23-975c-24f21be03b6c/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0a5f25e1dfa4/report/overview.html
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/0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208

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:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239477/
Cape
Cape
https://www.capesandbox.com/analysis/280372/

Comments


Avatar
zbet commented on 2022-06-15 20:10:12 UTC

url : hxxp://104.168.32.32/sa/key.exe