MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8
SHA3-384 hash: a039487aecd8dda3c6f65b7c9791a2cdf2d08db29c4b240d3647b8fb4f2f1b007b171cd9c13df01eff219cbe2af25068
SHA1 hash: aaa3e737d72504340eeb6111d7d51c8a7e37efe2
MD5 hash: 4cb2041db0a8696f1853543f5c03b89a
humanhash: spring-alpha-violet-vegan
File name:4cb2041db0a8696f1853543f5c03b89a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:870'400 bytes
First seen:2021-01-12 07:03:28 UTC
Last seen:2021-01-12 08:54:57 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:/R2njRENmNQlj+H0CIiEQZfw4NWi9TmYgPBVD6F:/R2njybYH0CIiD57NJ9TmpPbS
TLSH 55056B51CB92A751C7AC17FD2411006127E1DF79F3E8EB68ED9970B26F76A2802FD182
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4cb2041db0a8696f1853543f5c03b89a.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-12 07:09:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ad38eee-7162-45f5-8159-a41f4e064098

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/111389/
Detection(s):
SecuriteInfo.com.Artemis4CB2041DB0A8.14822.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Result
Verdict:
SUSPICIOUS
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/578658
Signature
Found malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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 signatures2 2 Behavior Graph ID: 338378 Sample: c6Rg7xug26.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 c6Rg7xug26.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\c6Rg7xug26.exe.log, ASCII 10->28 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 c6Rg7xug26.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.rainbowhillsswimclub.com 154.218.55.251, 49738, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->30 32 www.bikininbodymommy.com 212.32.237.101, 49747, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 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 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 07:04:07 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=att7e6ivfghqtikimmy56pyokeq6jj4fn5assd2ieabflofyfx4a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-nhy7qn7fle/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8
MD5 hash:
4cb2041db0a8696f1853543f5c03b89a
SHA1 hash:
aaa3e737d72504340eeb6111d7d51c8a7e37efe2
Link:
https://www.unpac.me/results/586bc616-f82b-4170-b415-26c446b8809a/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/586bc616-f82b-4170-b415-26c446b8809a/
SH256 hash:
9ed3e3d523f4c9b31af82f0d7dd89c58aa730a8bc378e172e2497d9e7cee1743
MD5 hash:
46eba77376fdcc102985862da57716d1
SHA1 hash:
0dfcb1d78fa4d8337878ac27a5f7112007a84f21
Link:
https://www.unpac.me/results/586bc616-f82b-4170-b415-26c446b8809a/
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/586bc616-f82b-4170-b415-26c446b8809a/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8

File information

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

Web download

Formbook

Executable exe 04e7f27915298f09a1486331df3f0e5121e4a7856f41290f48200255b8b82df8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/952872/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111389/

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