MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
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SHA256 hash: ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
SHA3-384 hash: 9ad04e355a30b7b9a820c40093a1c57161f921439718ea3707bc7e83d77291318db3b65395c54c622147bbd6211f4248
SHA1 hash: 1f9d52c42db57de8f598df0bc2714d3dd3eba16c
MD5 hash: a1b4055a8a00e4c46666637fc270ff9d
humanhash: oranges-papa-massachusetts-lion
File name:a1b4055a8a00e4c46666637fc270ff9d.exe
Download: download sample
Signature Formbook
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File size:648'192 bytes
First seen:2023-11-30 06:53:54 UTC
Last seen:2023-11-30 08:28:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qRcopox4xwqHW6ROWYDKYfZvrE4GJ8Hlnsi0lsyYb34:1emqHeWYrfZwLMlnbJ334
Threatray 487 similar samples on MalwareBazaar
TLSH T14CD4126136EC4766EC6957B96865C8B04336BE4A6572D72E3ED83CEB3937B000D40B27
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 20c89c88e63c4c12 (13 x AgentTesla, 11 x Formbook, 7 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Purchase-Order#017.doc
Verdict:
Malicious activity
Analysis date:
2023-11-29 06:52:33 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/2fe4ac28-91e1-4bf2-8abe-c3bd05760b74

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/461305/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.21453.16612.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f13f8b68-cdeb-4c45-abd1-82b560923e94
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350353
Signature
.NET source code contains potential unpacker
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 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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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: 1350353 Sample: mZoYf6Nezj.exe Startdate: 30/11/2023 Architecture: WINDOWS Score: 100 32 www.wolfsendoor.com 2->32 34 www.thecopypro.com 2->34 36 11 other IPs or domains 2->36 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 mZoYf6Nezj.exe 3 2->11         started        signatures3 process4 signatures5 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 mZoYf6Nezj.exe 11->14         started        17 conhost.exe 11->17         started        19 mZoYf6Nezj.exe 11->19         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 21 explorer.exe 7 1 14->21 injected process8 dnsIp9 38 www.bitxhesgiels.com 103.224.212.210, 49745, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->38 40 shruvish.com 15.197.142.173, 49744, 80 TANDEMUS United States 21->40 42 5 other IPs or domains 21->42 52 System process connects to network (likely due to code injection or exploit) 21->52 25 mstsc.exe 21->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-29 06:13:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5svi7nt23usvxyxtm6dxkoffwlb5w27dwpaamy5q4kcwt372nc4q._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
30f3cd701c5fca6a931d7c59cd6a42b61cbce4d8f97c90f8b8b2fc87dc347638
Formbook
5e172b1497a76076f9ca46f345383aad816d90c2c8799a7ec3520a85f38c2bdd
Formbook
8195afbce4ef411cd0b1ac7cc27e3d66b575df16a5433b60aa0e7a3529f465ef
Formbook
b02a464ba1c01240e6855a7ecf96b0c3fcba78767c5f3e09bb03f539eb2639f8
Formbook
bb8548a744cd648172b769babfe7fb42aec25bc35e812f491af41d31c4c92d13
Formbook
dd5db5ca37b7e3a33e323e2c984b9bf12eac507d76ad6e037b752b88563df71d
Formbook
ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
Formbook
+ 477 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:o07d rat spyware stealer trojan
Link:
https://tria.ge/reports/231130-hn73gagg75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
0d01a55d950be4a12a097c6e08b78d3d659ad0cdff4ea4dcfebe6c782d45750a
MD5 hash:
df349e5e18c5c1aed3ae0a21f78174ec
SHA1 hash:
7b5a145100d9cafba003321a564456b7e6e561b6
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
Parent samples :
ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
4a5e90afb12bf96e61a233f2824975d529c72b5ade2261f59ac8f5a0e1e242ec
6c5a9b4eec9d4bb7e7db05662c3c0d370afd28510b3fdbe7639af75fd1e573a6
SH256 hash:
bab1ceacf1f487c4f9345c9cec86a4e42a8f0a09caac54dfa7f57f3086885772
MD5 hash:
a0b2122f15f5feeef3400116b3150f36
SHA1 hash:
d974e477bbe8859067d3cd14dfd51e5e8150711b
Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
SH256 hash:
51674486612e300fde800d8b11e5c3a4d3d2d164d903dcd64bcc42226b05c81a
MD5 hash:
ef1f42e650562f4ee6a1fecec8181997
SHA1 hash:
f36f5bae4eb74636233ea23fbaa6b97085140bfa
Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
SH256 hash:
4ed0025fabcefbac6f1a6309dfd67fdb0d701b056333120594d9f50079cce9d9
MD5 hash:
01ba733f7557763b301ea0c42dd1449d
SHA1 hash:
02c039b89ec38dfc7de247c7dcf65fa6173f69d6
Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
SH256 hash:
ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9
MD5 hash:
a1b4055a8a00e4c46666637fc270ff9d
SHA1 hash:
1f9d52c42db57de8f598df0bc2714d3dd3eba16c
Link:
https://www.unpac.me/results/150fad14-91c8-43f5-bcef-b2e01e5ae634/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecaa8fb67add/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/ecaa8fb67add255be2f367877538a5b2c3db6be3b3c00663b0e28569effa68b9

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

Cape
Cape
https://www.capesandbox.com/analysis/461305/

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