MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a12d62cf3071c705c6527b3a640f6dfa3f4823cf5289f8be7cba25ac14e79031. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a12d62cf3071c705c6527b3a640f6dfa3f4823cf5289f8be7cba25ac14e79031
SHA3-384 hash: 4b38b6969f591c3975fce67284613f72d6d618e4defd80aecc94b615d0e533b23c7524845659a753c6f8b41f25ee8744
SHA1 hash: d070917962559bac8543d0a7875dd19d46a5739f
MD5 hash: 20485bdf912a946e680b2237a0584190
humanhash: ohio-cold-apart-butter
File name:dir1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'272'832 bytes
First seen:2021-01-18 18:03:17 UTC
Last seen:2021-01-18 19:33:02 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 24576:lbaNGrMdJxoffenpDtpoWgd9Mj5Guy0LToiCI:lbaNVdJx4+pDt5gd9MjAubiI
Threatray 3'448 similar samples on MalwareBazaar
TLSH 31459E191388EF24E7BC5AF7D90081A0A7A9ED02A610D6BDF5FE74868F61E7454CFB40
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW AGREEMRNT 18-01-2021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-18 16:17:20 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/ada9be6d-c122-4339-b4fb-b890cd57d1d4

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/112627/
Detection(s):
SecuriteInfo.com.generic.ml.11013.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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/584069
Signature
Antivirus detection for URL or domain
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
Sigma detected: CMSTP Execution Process Creation
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: 341073 Sample: dir1.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 31 www.primajayaintiperkasa.com 2->31 33 primajayaintiperkasa.com 2->33 35 www.ruaysatu99.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 dir1.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\dir1.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 dir1.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.acdfr.com 199.34.228.73, 49764, 80 WEEBLYUS United States 18->37 39 fundamentaliemef.com 104.238.220.186, 49766, 80 RELIABLESITEUS United States 18->39 41 12 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 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/a12d62cf3071c705c6527b3a640f6dfa3f4823cf5289f8be7cba25ac14e79031/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
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Status:
Malicious
First seen:
2021-01-18 18:02:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0110a52c51d060db8c4b9f3d654340fdf954bd7ceb47956e235ebe5921a57df4
Formbook
204cd2ef2cb64300f46ba8ce7dae3507b6861cd9225e3bae6fc2303360585ef4
Formbook
3571d3ca49f3c593d4b34f2d7bd9aa8ab2b0bfb99111a2a2561a0d25d494fa2f
Formbook
3579fdebe1647aa6a9172a2d808fa43b66a9ebc0e09aba02e1ed70d74dad67e2
Formbook
9335b040e7823155fcde32d1cfd5268db42e2f9c191e2144269800adb2a820d8
Formbook
97b414e4df32b2618618bf61922085e35879a743b6cae758f73747682bdc7b02
Formbook
b96e65c2c4d2cdbe32d98e9f24a1e5f1d74bdaa0f47088cc70d48f4be730dc55
Formbook
ba2963b7da8a1df3e40441825654972ce2a5903c9f27bc081e42795c296c80eb
Formbook
bbe42dcd5a1d942b3267093fba6232d48183c82500a67e03905864bcbe68b609
Formbook
debe2f7e0f2e18dff0c54f3809c66256f5741b5cf9e13e065593c005db9c22de
Formbook
+ 3'438 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/210118-mpvdacx4ax/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.rizrvd.com/bw82/
Unpacked files
SH256 hash:
1d6ecf546163882d34d4bb2b7afa3889506ca3036ed536c4ed972ed89bdf5035
MD5 hash:
fb169513679d349cb2a7e4121bacfd4a
SHA1 hash:
26619d7ce0a175b9fc4fbfd7f4b105050562924f
Link:
https://www.unpac.me/results/46cd0f13-abef-4f40-8576-d0cfc1f7dbae/
SH256 hash:
a12d62cf3071c705c6527b3a640f6dfa3f4823cf5289f8be7cba25ac14e79031
MD5 hash:
20485bdf912a946e680b2237a0584190
SHA1 hash:
d070917962559bac8543d0a7875dd19d46a5739f
Link:
https://www.unpac.me/results/46cd0f13-abef-4f40-8576-d0cfc1f7dbae/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a12d62cf3071c705c6527b3a640f6dfa3f4823cf5289f8be7cba25ac14e79031

File information

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

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/970632/
Cape
Cape
https://www.capesandbox.com/analysis/112627/

Comments