MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14
SHA3-384 hash: 2b7f9276f7562e1b8d01dead23a08ef62b76ba4ca1430c7cb768b644f736cd0d4711706518ab06d6a3b921dd7b329037
SHA1 hash: 7a81e17504370035e70e0452b772fef857e5e169
MD5 hash: 78977c6e1352baf3e4659e10724ac05f
humanhash: september-tennis-texas-artist
File name:78977c6e1352baf3e4659e10724ac05f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:659'968 bytes
First seen:2021-01-15 06:44:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LUFgHfQNj65TFZ3/Iwgsu2mLwhvv8DGsy1Fyp1ZRkabZgGMUczwthGkAuizsQ/:LUFbNURZ3us5P86zFypmaGGwmhUui1
Threatray 3'366 similar samples on MalwareBazaar
TLSH E6E412442BF98F29D93E9BF50EA0640407713C3B6673F31C5DDA24F716A3B588A51A2B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-15 06:25:36 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/9c5585a7-67be-4a56-82b5-773d7003b1d5

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/112152/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582166
Signature
.NET source code contains potential unpacker
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)
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 (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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340121 Sample: PDRgIfT71e.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 31 www.dajiankang.love 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 PDRgIfT71e.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\PDRgIfT71e.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 PDRgIfT71e.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.guorunme.com 156.224.53.101, 49749, 80 VPSQUANUS Seychelles 18->33 35 learnhour.net 142.147.98.180, 49756, 80 UNREAL-SERVERSUS Canada 18->35 37 17 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 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        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 06:45:24 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqod4bhvrvsd6xjq6uqhpjj2rqkr3a22urg2crfzcznaffzrj4ka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
040e512b75bacd0ed6e0e13efa13f6ea92ebd47c214112b5371425009909c842
Formbook
196b4470cd98c4f6d5c634170a1c6a98cf59b61c9b12a032ec9fb776b74a0527
Formbook
2ce70c12c5b8806fc6b3e507c5ed406599045b20688b456db124b1b685da60d0
Formbook
4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba
Formbook
5cd75052c82b5ff0cc1261075c4fdb060c21062c72525508cbb75e44683f6d0b
Formbook
6a042012f4233929b8f5fbf73f4b958e39f2fb60d73c1d758753dd07508ef8e1
Formbook
7b7ba3b00b882d63305aa49b3ab3c832646cded84a750de64963357bab3fc37a
Formbook
8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a
Formbook
edcbf58883f09441ef7eb461421b7ec33655663420ba2722ef5c45b62600f25c
Formbook
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
Formbook
+ 3'356 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210115-wg3zp55mq6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.learnhour.net/eaud/
Unpacked files
SH256 hash:
1c164e64adcbefb8250fa4cafab93cebc9c312add6e7ea5c240c878c7824e303
MD5 hash:
340fc2829d18eb310efe7a09b1faaa8e
SHA1 hash:
6a0eaccf2b68df2bcd4092e361bedd1fc395b8e1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e8ee0273-93f0-4391-b00d-daeee7b2866b/
Parent samples :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 hash:
8e07c29af6ebcf5b9a618299bba327b9ccf4a863047b612dbd96e2c51a100194
MD5 hash:
cf6ae20945ef9ecd3fa245048fd798b8
SHA1 hash:
aa70071f836f8c651727045f08f55414b813c2b0
Link:
https://www.unpac.me/results/e8ee0273-93f0-4391-b00d-daeee7b2866b/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/e8ee0273-93f0-4391-b00d-daeee7b2866b/
SH256 hash:
c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14
MD5 hash:
78977c6e1352baf3e4659e10724ac05f
SHA1 hash:
7a81e17504370035e70e0452b772fef857e5e169
Link:
https://www.unpac.me/results/e8ee0273-93f0-4391-b00d-daeee7b2866b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe c41c3e04f58d643f5d30f52077a53a8c151d835aa44da144b9165a0297314f14

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/112152/
  
URLhaus
https://urlhaus.abuse.ch/url/959944/
  
Delivery method
Distributed via web download

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