MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141. 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 3 File information Comments
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SHA256 hash: 1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
SHA3-384 hash: df6d131f493d65402d002009d3f1099ce1a69066ad2f90a4f83a6210c5701ff07fe691cf1ac0cd064d38a504f798c175
SHA1 hash: ceaf910842d0ad8c8eb3990409752589a1974dc6
MD5 hash: f7b4cc41cda23249c51085e4cf0d3ef1
humanhash: three-bacon-berlin-kilo
File name:PKilXFAtx18XC3J.exe
Download: download sample
Signature Formbook
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File size:587'264 bytes
First seen:2023-12-04 09:07:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Zn45+po2Sla8IubPvI3Mm1SvQsU4+6x8jJyo8z5iSErJHDK9:ZG+pJS08/T2MmZ6eQo2YJu
Threatray 575 similar samples on MalwareBazaar
TLSH T1B4C4234B36CDCB42C937D3FE616C6B844799B683B258D74D1C6831C41942F262FE1B6A
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 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/462275/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.29363.22938.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656d96ff97dc047c4b9727b8/reports/92c2f2c9-16ed-4a6c-8779-5bb7e8624077/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
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/6e85294b-b1da-4bf0-947e-e2aa41fd3058
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352976
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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
Performs DNS queries to domains with low reputation
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352976 Sample: PKilXFAtx18XC3J.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 30 www.improvisable.xyz 2->30 32 www.xyzexteriorsoh.com 2->32 34 11 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 8 other signatures 2->50 11 PKilXFAtx18XC3J.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 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 PKilXFAtx18XC3J.exe 11->14         started        17 PKilXFAtx18XC3J.exe 11->17         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 19 explorer.exe 39 1 14->19 injected process8 dnsIp9 36 shops.myshopify.com 23.227.38.74, 49722, 80 CLOUDFLARENETUS Canada 19->36 38 www.112233.store 45.130.41.27, 49726, 80 BEGET-ASRU Russian Federation 19->38 40 2 other IPs or domains 19->40 52 System process connects to network (likely due to code injection or exploit) 19->52 23 WWAHost.exe 19->23         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-12-04 03:25:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6jkr5z7q4vj6alkqddbzauxgsv75cpbcsfi6ohiqwstjnslgfaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a0883f81fa813b247ae1243050bc720926599286a213725a86a50ced42c0ead
Formbook
340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df
Formbook
a0ddd3971519b62fc66cc48e16f02440dd9df5ed4c1e1ff5abb3836b8551b52d
Formbook
d181fed18a646621f4f6441afbce6f32afbe5fb13cd3923b9c4d03a485b30eaa
Formbook
f8b5dcd1c184f861edfc7c29db1dd1ad495fdbcb3748f03c0880db211c3085dc
Formbook
+ 565 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy11 rat spyware stealer trojan
Link:
https://tria.ge/reports/231204-k3wn4aab2v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b68e668ce82d6dc114056a87afdf2468abf1b3a9e74e2cba37c93f62aa767fdf
MD5 hash:
0727e09f453b6d303738ead856964360
SHA1 hash:
d6b304de34de74a9a40b05b2af28f53aab12493b
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/559ef07e-82b6-459f-9b97-11bb014a5f36/
Parent samples :
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415
c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
5a014c96f5a3582782e8f58c0eecaea1939d0fa531a7937f7c1b9a89f53333be
1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c
SH256 hash:
7bbe80dff0ceebf7d7d83188075a9fe3f3d965c0d6695425ca800ab8900da2a2
MD5 hash:
cfd5344e5be610f01e4787733bc761ce
SHA1 hash:
d7f9c9270e6d9423879dbd7ed880258b020b1617
Link:
https://www.unpac.me/results/559ef07e-82b6-459f-9b97-11bb014a5f36/
SH256 hash:
d0fa1a886efbfd4ac7e208c34ef42b5dcd1b96278f401821b5cb51338e9c7ebc
MD5 hash:
a229a07265c09931a36a139000fc63f8
SHA1 hash:
6da33d450123e27f80789b4a3796ea9be3bf6c3e
Link:
https://www.unpac.me/results/559ef07e-82b6-459f-9b97-11bb014a5f36/
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
Link:
https://www.unpac.me/results/559ef07e-82b6-459f-9b97-11bb014a5f36/
SH256 hash:
1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
MD5 hash:
f7b4cc41cda23249c51085e4cf0d3ef1
SHA1 hash:
ceaf910842d0ad8c8eb3990409752589a1974dc6
Link:
https://www.unpac.me/results/559ef07e-82b6-459f-9b97-11bb014a5f36/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f92a8f73f87/report/overview.html
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/1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141

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: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.

Malspam

Formbook

Executable exe 1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462275/

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