MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47
SHA3-384 hash: 145ee685eb2e4b0fec4b41866a8410c1d21f806e68ea7ac4bd53510dc16150b3d95f991a98f9bee78c1afd8817723446
SHA1 hash: 7af4a5bbb6e45110543cff78a221075cea4de721
MD5 hash: bf34896fa20667412fdfc4f2da5b2b2d
humanhash: two-indigo-carolina-xray
File name:Payment update.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:758'784 bytes
First seen:2021-06-21 19:24:07 UTC
Last seen:2021-06-22 09:48:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:mz2WFHmst7SPQnpAVH2rXOqoZ/wNQm0G+oB7hXC/2aEMnJWYTl:glHT7SPQuFT/80GVBlX/MnJWYT
Threatray 6'023 similar samples on MalwareBazaar
TLSH E2F4E1303AE95615F27BEF3A55D472915BFEB623A303C5593DA0038A0723E81DEE153A
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment update.exe
Verdict:
Malicious activity
Analysis date:
2021-06-21 19:38:46 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/cf35d091-2696-4154-966b-96c88b027286

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/167365/
Detection(s):
SecuriteInfo.com.ArtemisBF34896FA206.32708.14866.UNOFFICIAL
Create hunting rule

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/c1e9c900-4cf0-4a67-8b0c-e94d9cac82ec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805569
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 437976 Sample: Payment update.exe Startdate: 21/06/2021 Architecture: WINDOWS Score: 100 29 www.pruearomablends.com 2->29 31 pruearomablends.com 2->31 33 2 other IPs or domains 2->33 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 9 explorer.exe 2->9         started        13 Payment update.exe 3 2->13         started        signatures3 process4 dnsIp5 35 www.thecenterranch.com 9->35 37 www.rigiaki.com 9->37 39 2 other IPs or domains 9->39 59 System process connects to network (likely due to code injection or exploit) 9->59 16 cmmon32.exe 9->16         started        27 C:\Users\user\...\Payment update.exe.log, ASCII 13->27 dropped 19 Payment update.exe 13->19         started        21 Payment update.exe 13->21         started        file6 signatures7 process8 signatures9 41 Tries to detect virtualization through RDTSC time measurements 16->41 23 cmd.exe 1 16->23         started        43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Sample uses process hollowing technique 19->47 49 Queues an APC in another process (thread injection) 19->49 process10 process11 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-21 19:23:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=laimmqf3iim4uon4rigiwuhyir7f4r3yjz257wwnzzs5luwddzdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1d500cd661df7071f1ff76b19067cef40b5a0ab4b4a9ac26425dcdbac6eb7e7e
Formbook
50961752207e439abf40cf15d11d20f5c3d9b68067e571c3029c7bce69ffe085
Formbook
5d4c17f9ea28e3df3efa9d9c7ba40444abeee049fe999eb2d579c6cf4ccc3231
Formbook
6a3b624be347bf0f0d4db1f321ab90b322f8c86ce83bb85918f1ea736f0ab12d
Formbook
9332e0007b659b44fb4aa6553d19d87344588c62a402718e792bacfc14c16ef9
Formbook
abb5b9e1916667c4fd6aee3c478f57b92607b0378cc3d71c4640555562e359ab
Formbook
ad86b6dd3faef43b4ef56786e35a7d2b38a369e6082c72c3cac0267a5b8efc5a
Formbook
b03f6bc5eec0f24076b3ef2c761b21d75c489ad34c5f94dcffab6d2b4d65263f
Formbook
c2336a135878814b7b9b82146879a4ee8910e0a7e540415cb3716e1f62c1ea41
Formbook
df30e4c5d78b4a02feaf02821ed9d52d43aad54c6c0c165475c741e3e9d6abc1
Formbook
+ 6'013 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210621-3t539wjf86/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.spiritmagnetusa.com/bmmo/
Unpacked files
SH256 hash:
16484a753f218d3e8f5c798cf3f7bec49b34554103612a31c9487ce324ae96db
MD5 hash:
d5a56d220dd64fa084e249fc0c6d03b6
SHA1 hash:
44b6e426c1ef283f62865025df0ec173d6bc8758
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3bc5145f-1f5d-42f1-a5b0-1255f76be7bf/
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/3bc5145f-1f5d-42f1-a5b0-1255f76be7bf/
SH256 hash:
5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47
MD5 hash:
bf34896fa20667412fdfc4f2da5b2b2d
SHA1 hash:
7af4a5bbb6e45110543cff78a221075cea4de721
Link:
https://www.unpac.me/results/3bc5145f-1f5d-42f1-a5b0-1255f76be7bf/
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/5810c640bb4219ca39bc8a0c8b50f8447e5e47784e75dfdacdce65d5d2c31e47

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/167365/

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