MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments 1
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SHA256 hash: cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
SHA3-384 hash: 488b28ef870f8d040e232f088e9f92df9f14d9037b634c2c91ebce8887b83254155aca8910ff74592e788524657211cb
SHA1 hash: 44fed11a7ecdb9db4bbc84c364a2c1b783534c0d
MD5 hash: 690cd1e6e608f53e1688488f3b482fbf
humanhash: ohio-sodium-yellow-july
File name:690cd1e6e608f53e1688488f3b482fbf
Download: download sample
Signature Formbook
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File size:531'968 bytes
First seen:2022-06-14 17:46:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:QTu9+nW8Vhj+agsB0gXuJZ8XmC7c/YCroqF:QTPNVjggSZ8XmC76Yz4
TLSH T178B4E116BAA7CD02D2940BB3D5E690041375EE479213EB4F2ACE23990D533DB5DC9B8B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Shipping Documents 202731.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-14 10:54:23 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook
Link:
https://app.any.run/tasks/97d39745-af72-4ffc-9f68-62c3d18b0b5b

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/279914/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.15684.12672.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll wacatac
Link:
https://www.filescan.io/uploads/62a8c9d324ded2bdf7266386/reports/c9159565-9351-44b4-b40b-cc40cb82a141/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/516a8f1f-0073-409b-ba6c-763945336269
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013140
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645636 Sample: 3IlggApbMy Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 10 3IlggApbMy.exe 3 2->10         started        process3 file4 35 C:\Users\user\AppData\...\3IlggApbMy.exe.log, ASCII 10->35 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 14 3IlggApbMy.exe 10->14         started        17 3IlggApbMy.exe 10->17         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 19 explorer.exe 14->19 injected process8 process9 21 msdt.exe 19->21         started        24 autofmt.exe 19->24         started        signatures10 47 Modifies the context of a thread in another process (thread injection) 21->47 49 Maps a DLL or memory area into another process 21->49 51 Tries to detect virtualization through RDTSC time measurements 21->51 26 explorer.exe 2 153 21->26         started        29 cmd.exe 1 21->29         started        31 conhost.exe 24->31         started        process11 dnsIp12 37 192.168.2.1 unknown unknown 26->37 33 conhost.exe 29->33         started        process13
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-14 14:23:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7mlj4xjmfnsbdc24icxxa7d46b24s5m7hp4twccbnqdvxau3jwa._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/220614-wct85agcem/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
aa9395a32411b61c7d13fc95a27bf035add9f4e09e8e82f99a0c3e4a962bf0bf
MD5 hash:
a127a3c4f8240f81c76e3fa52ce2428a
SHA1 hash:
9c9bb9eb34e321cbfe3937ae2e25a832d214cbb4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/9f1feee4-f774-4851-bd20-bb30f15f26e0/
Parent samples :
da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
eeabe3129e3e52ef1f5fe98b73c375ee55ea1163ba441421234951f514fd1d89
b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
SH256 hash:
5fd1090c689a69c7324feb5aaaed5bd696c05adfad2d7ad3ba11bec8b1ced8a8
MD5 hash:
9bf3d348c36b9182248bee0c4fae9247
SHA1 hash:
75261505f52cba9c0f88a0968cee5995f7d055bb
Link:
https://www.unpac.me/results/9f1feee4-f774-4851-bd20-bb30f15f26e0/
SH256 hash:
09f5b28058bdff2ba582c59a6373ddafc15145c57c848ad2666521f9d3724600
MD5 hash:
cb230c89196523d928578bd89d1d2c85
SHA1 hash:
6aa49f4f545f1317b4288d50fd094eb186ba7154
Link:
https://www.unpac.me/results/9f1feee4-f774-4851-bd20-bb30f15f26e0/
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
Link:
https://www.unpac.me/results/9f1feee4-f774-4851-bd20-bb30f15f26e0/
SH256 hash:
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
MD5 hash:
690cd1e6e608f53e1688488f3b482fbf
SHA1 hash:
44fed11a7ecdb9db4bbc84c364a2c1b783534c0d
Link:
https://www.unpac.me/results/9f1feee4-f774-4851-bd20-bb30f15f26e0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cfd8b4f2e961/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/cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c

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
Create hunting rule
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 cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2237931/
Cape
Cape
https://www.capesandbox.com/analysis/279914/

Comments


Avatar
zbet commented on 2022-06-14 17:46:29 UTC

url : hxxp://63.141.237.165/360/vbc.exe