MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197
SHA3-384 hash: b3c6a864343f2ba8f7a28eff82db7564b8fc046541cf4fccf4ea8aaeac478d90fa36c77cedc1b4a64c5f4c41aac01a88
SHA1 hash: 49fa548e22d4206e7e6faeac24a78bd1a1e257f4
MD5 hash: 7af40e9fbf9f324ea0a2db18268e592c
humanhash: double-potato-indigo-winner
File name:AWB Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:628'328 bytes
First seen:2023-04-07 12:48:00 UTC
Last seen:2023-04-11 09:40:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:hh+G1b16PHKV5S4RPnbU2I4IlfRChEa+CeKdG:hh+G1b16fghRbUIhEjsE
Threatray 729 similar samples on MalwareBazaar
TLSH T100D4F10EBD01110EDD658A3788735BD61EB36D3D4AF45A1213B9BE5F58332C67AAC283
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e070cec884e07889 (5 x GuLoader, 4 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-01T11:03:44Z
Valid to:2026-02-28T11:03:44Z
Serial number: 1dd4581feba30b197292ba11d3317f97845be116
Thumbprint Algorithm:SHA256
Thumbprint: 7ca3eb06c78ae24eb4a6090afe8118c639437eee761ff1fb2b063784c74e3369
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-04-07 12:51:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4c9c369f-13b8-411c-8cf2-f5332b5c34bf

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/380783/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66278877.2505.12469.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% directory
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76897/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/643011052254dc891204a628/reports/140b949a-69c3-4bbd-9755-7c2f90888e69/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/585ae98d-fa85-4f5b-8181-33c287cc270b
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1210201
Signature
Antivirus detection for URL or domain
Found potential ransomware demand text
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 843118 Sample: AWB_Invoice.exe Startdate: 07/04/2023 Architecture: WINDOWS Score: 100 37 www.vinayakatlantis.com 2->37 39 www.sbreyuyufwkg.top 2->39 41 17 other IPs or domains 2->41 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 5 other signatures 2->57 10 AWB_Invoice.exe 1 40 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\...\gobject-2.0.dll, PE32+ 10->31 dropped 33 C:\Users\user\AppData\Local\...33MDllHost.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\BtvStack.exe, PE32+ 10->35 dropped 69 Tries to detect Any.run 10->69 14 AWB_Invoice.exe 6 10->14         started        signatures6 process7 dnsIp8 49 124.71.228.145, 49852, 80 HWCSNETHuaweiCloudServicedatacenterCN China 14->49 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Tries to detect Any.run 14->73 75 Maps a DLL or memory area into another process 14->75 77 2 other signatures 14->77 18 RAVCpl64.exe 14->18 injected signatures9 process10 process11 20 control.exe 13 18->20         started        signatures12 59 Tries to steal Mail credentials (via file / registry access) 20->59 61 Tries to harvest and steal browser information (history, passwords, etc) 20->61 63 Writes to foreign memory regions 20->63 65 3 other signatures 20->65 23 explorer.exe 2 1 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 43 www.minevisn.com 89.31.143.1, 49891, 49892, 49893 QSC-AG-IPXDE Germany 23->43 45 www.hangthanhlyonline.com 160.124.11.52, 49886, 49887, 49889 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 23->45 47 13 other IPs or domains 23->47 67 System process connects to network (likely due to code injection or exploit) 23->67 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-06 07:56:47 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zl345aqbklhntr7dfxftggezylovvmesy4qh6wmuutxym3jeoglq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
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Formbook
2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e
Formbook
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728d23546a438f5238ca4a534635f87086f2ffa4fc71e215a0222a733700de96
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7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
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9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
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abb75e66ee83ac1c6c680292e35c0fbc2c40020661da883a3787767e87739127
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c0303022c1e2e014df91a6ff93d540d2e734a938f93e16649941c418d54e5a62
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e29c4da2ffb29da2ca94953e638058674b6234ac0c75864d644a661d582a3ab1
Formbook
f548590defc2ccbe24f628129535444295460ede5f719adb540cf1a67bcae839
Formbook
+ 719 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230407-p1r1cahb66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
b6c45cae9eae7499b9b1007bbbdb5181ccd3b1a66ca2bb5529f82c5a9013e263
MD5 hash:
349cdb69ec2bc380e1abd2dde5e649a7
SHA1 hash:
31749e612377e1e433e13afd3a0cfaea2e3a21b0
Link:
https://www.unpac.me/results/56350cff-c5bb-4f3a-b5f3-7287888a819d/
SH256 hash:
caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197
MD5 hash:
7af40e9fbf9f324ea0a2db18268e592c
SHA1 hash:
49fa548e22d4206e7e6faeac24a78bd1a1e257f4
Link:
https://www.unpac.me/results/56350cff-c5bb-4f3a-b5f3-7287888a819d/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/caf7ce820152/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/caf7ce820152ced9c7e32dcb331899c2dd5ab092c7207f5994a4ef866d247197

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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/380783/

Comments