MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
SHA3-384 hash: dca2c5d76673c84fb96c134376e86083bb16de9ea21b09e10fc72be662a4b12fa15c53fc43c7a571e8c441d8b3b3f795
SHA1 hash: dd9608bce3f4512afe6033125a3ebe18332b93fd
MD5 hash: a7b72e56ebab2dfa91a8b738724506f7
humanhash: kilo-winter-pip-five
File name:a7b72e56ebab2dfa91a8b738724506f7
Download: download sample
Signature Formbook
Create hunting rule
File size:601'088 bytes
First seen:2023-09-13 16:12:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:UGRF2iNHok0HVQWM3W2EEd4L88hRNuThvyYcfh5M4HXgD01T8a:UsF1dok0H1Mm2N4vhR4hqTqMXBOa
Threatray 3'792 similar samples on MalwareBazaar
TLSH T108D4127C92989749E43F37FA7062871143B2E737A52EE75B9DCC10BE2582B480315AE7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Invoice Statement .xls
Verdict:
Malicious activity
Analysis date:
2023-09-13 15:24:18 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader stealer spyware
Link:
https://app.any.run/tasks/226a0618-fbd4-4ea1-be54-a766d5a3e7ae

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/448461/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6501df8e829c3479a05e60e7/reports/dd8b9d5f-4227-47c6-968a-e118835b8b78/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0bd8867-752e-44e2-bfa0-50e6a2c4f601
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1307966
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1307966 Sample: 2pzR55UQav.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 29 www.servicedelv.services 2->29 31 www.saltcasing.info 2->31 33 11 other IPs or domains 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 8 other signatures 2->47 11 2pzR55UQav.exe 3 2->11         started        signatures3 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 14 2pzR55UQav.exe 11->14         started        17 2pzR55UQav.exe 11->17         started        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 37 4 14->19 injected process8 dnsIp9 35 servicedelv.services 144.91.77.124, 49753, 80 CONTABODE Germany 19->35 37 www.55dy5s.top 34.120.249.181, 49735, 80 GOOGLEUS United States 19->37 39 6 other IPs or domains 19->39 22 cmd.exe 19->22         started        process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-13 12:53:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxkydr7i23suysi4uufwnjmulmv4xgtvamfvf6wmwxxrgp7e77ta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
259f6cd10ea806c54540345e0bc14b20dd871a4e8d6cd32052d56964c290bde8
Formbook
44f2ec87230646c2db8bc78717c831c163dc5d5018ba9c18288db62a0b65814e
Formbook
4a30ba2e0012dd756f7d6fab584e78fe144a306d134921502819330a6978d328
Formbook
63cc6a9731de5d75f0d1a67666229e0c6a3f779d118d1c371d36a7957aa94e1a
Formbook
94624d4514f91f314664e8d9e09dac46cd6aeeb841dda13f6a2ff9320e6e1902
Formbook
bbcb225a7c276aeb6f8dc8126d020327dff57ef23a80ff47eaba2cd2392c7f25
Formbook
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
Formbook
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
Formbook
d088a3c1bbc7b1c97e5ce94d4a2e1f8ed7fcf7cef8e2b21d70ee15bb3f49d509
Formbook
e30d41df0b3384eb57a607989bdfe40191b4e81df96327c1974f6d05a3a3d83f
Formbook
+ 3'782 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ro12 rat spyware stealer trojan
Link:
https://tria.ge/reports/230913-tn3crsdd8x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
c84df850ad2ded3c7faf4ae873d699b9a7b4db7d22675df274aafd9b4c02ffc7
MD5 hash:
c0f91ed211168b26c8e239a91f2f7f5c
SHA1 hash:
139ddf41a6fc27e9fb5f7595da7de3235369762b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1e0bff52-99c3-46c7-8e92-b4de1edab836/
Parent samples :
75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b
4aab06d62b7be6864a2844428af16f335fee3713ef63ebf637540275f40ffd3e
b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315
SH256 hash:
dcd76d8eeb4f5b02d2a760e657d22bff35a0abc02fbe479109d10b0d02786690
MD5 hash:
f0e3a86475b32b0eb73758d22b2b4bb1
SHA1 hash:
3f0bbdfe9406f829c01a8ebc4a82fab72afb75a3
Link:
https://www.unpac.me/results/1e0bff52-99c3-46c7-8e92-b4de1edab836/
SH256 hash:
044a5db0d0412ec96f1152f9f426c3027f23b567663f55bccada6f744c62796f
MD5 hash:
1d91dea39934f1fd0a551d898b2b98a0
SHA1 hash:
3486aba6a088dfd6803e0bf92586891741a2d4de
Link:
https://www.unpac.me/results/1e0bff52-99c3-46c7-8e92-b4de1edab836/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/1e0bff52-99c3-46c7-8e92-b4de1edab836/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
MD5 hash:
a7b72e56ebab2dfa91a8b738724506f7
SHA1 hash:
dd9608bce3f4512afe6033125a3ebe18332b93fd
Link:
https://www.unpac.me/results/1e0bff52-99c3-46c7-8e92-b4de1edab836/
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/75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Web download

Formbook

Executable exe 75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2711542/
Cape
Cape
https://www.capesandbox.com/analysis/448461/

Comments


Avatar
zbet commented on 2023-09-13 16:12:05 UTC

url : hxxp://103.182.16.23/T129W/smss.exe