MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0
SHA3-384 hash: 6c8eb022134f4306eb1e2ca57b3b086038f99b47ac667542dce7a5f4e1a9b6137fb79850b0ddc6068846843a82cfb6ee
SHA1 hash: 51f86f0e6c0c1ec965550b8db032729a3e3823db
MD5 hash: b9329939c77b41e23efdd3888ce13f7d
humanhash: winter-twelve-maine-twenty
File name:b9329939c77b41e23efdd3888ce13f7d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:548'864 bytes
First seen:2022-04-21 08:48:17 UTC
Last seen:2022-04-21 09:57:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7LVzeW5LuZDL8PhjbBnVgEYV9hpHLar/maUN:HV3WDYWEg5uua
Threatray 15'073 similar samples on MalwareBazaar
TLSH T1E9C4121A31E80B22D1FE63F6A871624D1374F64AA513F70C9AD435EE2C92BC59B20777
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 31f0d4a2d4c87276 (13 x AgentTesla, 9 x SnakeKeylogger, 6 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265400/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.18568.23780.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62611a80ffe27d51192189dc/reports/d8be2a61-c5a3-4e6d-9f11-9c3f406e116f/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/14bae31e-d2d2-41f1-91a6-054dd7277dc3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980527
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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: 613016 Sample: 0tJ63gQuAG.exe Startdate: 21/04/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 7 other signatures 2->40 10 0tJ63gQuAG.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\0tJ63gQuAG.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 0tJ63gQuAG.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 askdigiguru.com 162.241.85.136, 49754, 80 OIS1US United States 17->30 32 www.askdigiguru.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-21 08:49:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d913321824b24f168daf6da5e888c9700fb5ed5e3bc06bd24be670c1a10fcb7
Formbook
43933efdb6406f03c3505c5bc398a841cb55ffbdf254cdcb6bd5cac87320a1cd
Formbook
52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed
Formbook
8523b78ec725e01d19eebfcc0ddd20f717ff3780f199116814628cf6078c3672
Formbook
c163d625749010e876b1e3c170944902c430af46a5e7b5283be19560e1fa5d17
Formbook
d18ee31980399f171c8219a6d14ad83f3d61017f8d14e44c6f3f3bd067eccdf7
Formbook
d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
Formbook
e9a5fa1e217bd7dbbb5b055250c3818d3372a77cfe3cb2f397e251583accfd6f
Formbook
e9deef760186498e9b4d075c784b6170bc976a767652f4a5228215fd1b1841cc
Formbook
eded9c78e74ca871e5604264160e190e165349cd2b07a35ebc75e3199f0d1b70
Formbook
+ 15'063 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g02e rat spyware stealer trojan
Link:
https://tria.ge/reports/220421-kq1ghseac3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
860b474a3394c7d83ef87699342b8869853331bb50e8c0d518e63666c349e094
MD5 hash:
4753501bad1bea0a3f178296068e6a65
SHA1 hash:
dd86ef8caabd28157cc86a3fee24a154dccc8ae2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c2405b11-c81c-4203-9ef0-33f2295d1753/
Parent samples :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 hash:
ef058d0a23b36683b62d8331a6c43c2356bede56fdbe3587ba5b6889f344a67e
MD5 hash:
b41d180b984cffb701dc35d732f53494
SHA1 hash:
86a8c95cfabccfb57ca2e4520122d165776dee20
Link:
https://www.unpac.me/results/c2405b11-c81c-4203-9ef0-33f2295d1753/
SH256 hash:
be9ced34eddb0fa29a5480c248f72d8c25bba964e8e270ac6aeb20f69798b77a
MD5 hash:
b294cee7dcf2e7a67ef9391914f0586b
SHA1 hash:
272869ec8b543440576d17aca5408fff49f14f89
Link:
https://www.unpac.me/results/c2405b11-c81c-4203-9ef0-33f2295d1753/
SH256 hash:
9c077ad17da77bb4c6f3b5bd316e36ef7518b9820afb41514f5bd42be4ee72ee
MD5 hash:
ccdbf68ff8680b070d7baa092fdd0e1e
SHA1 hash:
197da526438d69c51e467fbe2168c9d6622af9e7
Link:
https://www.unpac.me/results/c2405b11-c81c-4203-9ef0-33f2295d1753/
SH256 hash:
756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0
MD5 hash:
b9329939c77b41e23efdd3888ce13f7d
SHA1 hash:
51f86f0e6c0c1ec965550b8db032729a3e3823db
Link:
https://www.unpac.me/results/c2405b11-c81c-4203-9ef0-33f2295d1753/
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/756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0

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.

Web download

Formbook

Executable exe 756e345be599ee11b7749fdcf9d20f469700e46a33779c405fac4d3df8b0f8d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2096984/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/265400/

Comments