MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500. 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 5 File information Comments
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SHA256 hash: 83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500
SHA3-384 hash: 7fdf57993d5e753e8456146617c7690ad61d4ab7e0b30a5b7b7b70c113d23ab7b6b1293369cf3464447f2b1740dfb572
SHA1 hash: 688c2601f9a7fcc6bbc477206f6746e4a1e7f1fb
MD5 hash: 656ab02c75af266d9ff2f65e849dfaae
humanhash: pip-carbon-maryland-colorado
File name:SecuriteInfo.com.Variant.Jaik.77520.260.18760
Download: download sample
Signature Formbook
Create hunting rule
File size:455'291 bytes
First seen:2022-12-19 12:38:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:pkw20xk6e96C2U/2aqg9JBP/KkbiLntf90wk1xRz93njB+eEPMk67crmOush9:ulzAKpKbnVerh9zB+cWmMD
TLSH T1F0A4CF9174ACC1C3E5BA0D726CAAE63520F43D9DE1CA504F3699BB6E60B2392041F77D
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 8084a48cbc8ce4f8 (44 x Formbook, 20 x AveMariaRAT, 11 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Variant.Jaik.77520.260.18760
Verdict:
Malicious activity
Analysis date:
2022-12-19 12:42:02 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/75ea3299-d98e-434f-b7c9-e1dd735d8c07

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/347949/
Detection(s):
SecuriteInfo.com.Variant.Jaik.77520.260.18760.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Gathering data
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02da2fd4-006c-457d-a1f8-ae77066134ca
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1137140
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 769870 Sample: SecuriteInfo.com.Variant.Ja... Startdate: 19/12/2022 Architecture: WINDOWS Score: 100 40 www.funmake.website 2->40 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for submitted file 2->60 11 SecuriteInfo.com.Variant.Jaik.77520.260.18760.exe 19 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\yuchrrxt.exe, PE32 11->36 dropped 14 yuchrrxt.exe 1 2 11->14         started        process6 file7 38 C:\Users\user\AppData\...\ohtdgatwovhqm.exe, PE32 14->38 dropped 74 Multi AV Scanner detection for dropped file 14->74 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->76 78 Maps a DLL or memory area into another process 14->78 18 yuchrrxt.exe 14->18         started        signatures8 process9 signatures10 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 21 explorer.exe 18->21 injected process11 dnsIp12 42 www.salonconnoisseur.net 74.220.199.8, 49727, 49728, 49729 UNIFIEDLAYER-AS-1US United States 21->42 44 www.columbusxzoo.org 199.59.243.222, 49721, 80 BODIS-NJUS United States 21->44 46 2 other IPs or domains 21->46 62 System process connects to network (likely due to code injection or exploit) 21->62 25 wscript.exe 13 21->25         started        28 ohtdgatwovhqm.exe 21->28         started        30 ohtdgatwovhqm.exe 21->30         started        signatures13 process14 signatures15 64 Tries to steal Mail credentials (via file / registry access) 25->64 66 Tries to harvest and steal browser information (history, passwords, etc) 25->66 68 Modifies the context of a thread in another process (thread injection) 25->68 70 Maps a DLL or memory area into another process 25->70 72 Multi AV Scanner detection for dropped file 28->72 32 WerFault.exe 3 10 28->32         started        34 WerFault.exe 10 30->34         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-19 09:04:33 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qmaww7rsdk32p42423hr4op6obxy7tdewb3yvahyjbpf4k2u4uaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/221219-pvl7xaaa5z/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
cf4bcc2a77a798c9041ba97fececba8684f821e0cb7030118dfe6f83595ad165
MD5 hash:
bbce91ff9a78cc85afae3866810c6226
SHA1 hash:
43288c3d8ca2c3c228bef2eb8842e27d4483e3d1
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/acdae319-5b15-4f95-9f8d-dcc8c78b2ee2/
Parent samples :
b394bd2bf5686012f76693ff9daddc941662d0c564e4ac4a530ea34b4b0d8cc6
83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500
88b0580ee00c3960e18e05607d37ad78b0b34dc17362d2e98dfe59eb7f3a0a02
48c2d31acc0c9de4e78cf10a906fb274f9512bf32c221ed5d5272ba98e9f0b44
SH256 hash:
47b37a94721e2203c6ce24536aa37167d744e2f2d3d239034e7079ad28fd998c
MD5 hash:
0b34d16e8fcadfc29fa8115bc6366d5c
SHA1 hash:
fd608739f6bbfbf42c02995ae28b833fa18d2a5b
Link:
https://www.unpac.me/results/acdae319-5b15-4f95-9f8d-dcc8c78b2ee2/
SH256 hash:
e3ca359e6f9fd4156fefbdc60932501130129ac237873ee0238909001e8b09c6
MD5 hash:
427ddbac4b4c32c2fff3722d501a6de4
SHA1 hash:
d193925bacee0366ab4b576ef4aa3cee98019cd0
Link:
https://www.unpac.me/results/acdae319-5b15-4f95-9f8d-dcc8c78b2ee2/
SH256 hash:
83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500
MD5 hash:
656ab02c75af266d9ff2f65e849dfaae
SHA1 hash:
688c2601f9a7fcc6bbc477206f6746e4a1e7f1fb
Link:
https://www.unpac.me/results/acdae319-5b15-4f95-9f8d-dcc8c78b2ee2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83016b7e321a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/83016b7e321ab7a7f35cd6cf1e39fe706f8fcc64b0778a80f8485e5e2b54e500

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/347949/

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