MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e
SHA3-384 hash: 716b8a97a448b8cb0b678f3dcdb65476bac95c428cc42fb6e6283687d736eddb6f6821c5a3ce0b56444c9fb9a1bd0c00
SHA1 hash: 827738e74dd6d0a93b82595a706686fc0b2b65d3
MD5 hash: cdcfc667690b086dc70e5b8f1905cc4f
humanhash: floor-kitten-summer-violet
File name:FedEx Shipping document.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'024'512 bytes
First seen:2022-03-21 08:30:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:zG1l9nS4YbQBVPXLX0LatEGdzTNepCAd9w3pUWBq:zGJnS4uEVPXL0La2Gdz8kAvCw
Threatray 13'721 similar samples on MalwareBazaar
TLSH T1032523AE22642776D8ACC732D0F3B94003F2895A66D2EB04EDD179B54A473194F42FE7
Reporter abuse_ch
Tags:exe FedEx FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253397/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62383794dfdfa8501cc5c61d/reports/6b981f25-d294-4209-bec3-f8dbcb243b92/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b36cb67d-e0e5-4bc7-be65-1bfed41143fc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960685
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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
Yara detected Shellcode strings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 593165 Sample: FedEx Shipping document.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 35 www.acaadjkhdakjkdh.space 2->35 37 acaadjkhdakjkdh.space 2->37 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 10 other signatures 2->47 11 FedEx Shipping document.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\...\FedEx Shipping document.exe.log, ASCII 11->33 dropped 14 FedEx Shipping document.exe 11->14         started        17 WmiPrvSE.exe 11->17         started        19 FedEx Shipping document.exe 11->19         started        21 3 other processes 11->21 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 23 explorer.exe 14->23 injected process8 process9 25 wscript.exe 23->25         started        dnsIp10 39 192.168.2.1 unknown unknown 25->39 49 Self deletion via cmd delete 25->49 51 Modifies the context of a thread in another process (thread injection) 25->51 53 Maps a DLL or memory area into another process 25->53 55 Tries to detect virtualization through RDTSC time measurements 25->55 29 cmd.exe 1 25->29         started        signatures11 process12 process13 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-21 07:15:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ahdt64jtrl3y7edfisrpfmngqwdq2xv4eoidsnfpi3riy6egbcpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
Formbook
374874898c5386561d60c3fae0482d1caee783f1096dda6742b1c073175a0a14
Formbook
3f0b6a2e50e39420c7b91acb35c08bb088c1ccaaa889491559a572dc481bf489
Formbook
4892e9b8ed5aa57661e3a1fd4bc2d48570cd416af12ab88bbade473ede45c1ed
Formbook
6fb859be1f19ec66d032758b38eade770aedc4f60b2341284ff407647980852b
Formbook
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
Formbook
d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
+ 13'711 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:fnn4 loader rat suricata
Link:
https://tria.ge/reports/220321-kd8blaagcn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a21e31c8a32c1c5dbc4662bd9db1ec86249840e26019e763bd9ee4796ac6e8c9
MD5 hash:
d511de2566d359947d2a42a4162d5e1b
SHA1 hash:
d4e99226d08b69817d73f7cf48f0f148591ecc11
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dc97ca4b-9795-491d-8fdb-8f33d1f6e68a/
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
Link:
https://www.unpac.me/results/dc97ca4b-9795-491d-8fdb-8f33d1f6e68a/
SH256 hash:
8311278655fa5aea24fc9f96d98bc558cd781fe9fe15250c6d1475ace09898de
MD5 hash:
6c17316898b589a3a01584179d498fbb
SHA1 hash:
35bf42a38d348d294e61389ffd1f01918785e27f
Link:
https://www.unpac.me/results/dc97ca4b-9795-491d-8fdb-8f33d1f6e68a/
SH256 hash:
3bc8d398dc34426a7f35135b02b478104f39af8ebf04417784f7f07b7f213884
MD5 hash:
14be7302a97cbb5009fb92bdc9357a22
SHA1 hash:
3594da784c85113a68d6ac607f6a803d90bbae82
Link:
https://www.unpac.me/results/dc97ca4b-9795-491d-8fdb-8f33d1f6e68a/
SH256 hash:
01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e
MD5 hash:
cdcfc667690b086dc70e5b8f1905cc4f
SHA1 hash:
827738e74dd6d0a93b82595a706686fc0b2b65d3
Link:
https://www.unpac.me/results/dc97ca4b-9795-491d-8fdb-8f33d1f6e68a/
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/01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e

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
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.

Malspam

Formbook

Executable exe 01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253397/

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