MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141
SHA3-384 hash: af411cd297a90501e80d2bf81d8bee8c78466325e9c2505097ce281728c4f809404628262799d7792e8aa22d5c0f0b6d
SHA1 hash: f9a392643897a0a9a2e2b0a704a5ada25da8a1fa
MD5 hash: 69946235bed51798bad9804f54ce229a
humanhash: salami-cardinal-king-delaware
File name:RFQ-1123031240058-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:789'504 bytes
First seen:2023-06-20 06:27:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:4oEsOQktl0baC/rV8qv9cp/laXb3E/uIvpTMBcitYq7J3At5iHOq+ZQhb:4oEnQkt2aLE9gMXb32RMtYqtm8OqK4
Threatray 1'280 similar samples on MalwareBazaar
TLSH T110F412885EEC260FD9376778D3A5BBB8173AAF847A37D31A2D91B0D35D123014B42366
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ-1123031240058-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 06:51:09 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/626b2c9a-9959-45d3-b9d4-0046cb6a3dd6

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/400825/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/649146f90d4f96f7b605d825/reports/05118abc-590f-4bc3-a820-667f9c06c97e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141
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/2e7ff8d0-387d-40dc-be34-e49fcc599912
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258461
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 891482 Sample: RFQ-1123031240058-pdf-.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Found malware configuration 2->75 77 8 other signatures 2->77 10 RFQ-1123031240058-pdf-.exe 7 2->10         started        14 qpRKbDVnVFN.exe 5 2->14         started        process3 dnsIp4 47 C:\Users\user\AppData\...\qpRKbDVnVFN.exe, PE32 10->47 dropped 49 C:\Users\...\qpRKbDVnVFN.exe:Zone.Identifier, ASCII 10->49 dropped 51 C:\Users\user\AppData\Local\...\tmp7387.tmp, XML 10->51 dropped 53 C:\Users\...\RFQ-1123031240058-pdf-.exe.log, ASCII 10->53 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 10->85 87 Adds a directory exclusion to Windows Defender 10->87 89 Tries to detect virtualization through RDTSC time measurements 10->89 17 RFQ-1123031240058-pdf-.exe 10->17         started        20 powershell.exe 19 10->20         started        22 schtasks.exe 1 10->22         started        61 192.168.2.1 unknown unknown 14->61 91 Multi AV Scanner detection for dropped file 14->91 24 qpRKbDVnVFN.exe 14->24         started        26 schtasks.exe 1 14->26         started        file5 signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 4 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 55 lobosmc12.com 108.179.252.154, 49698, 80 UNIFIEDLAYER-AS-1US United States 28->55 57 shops.myshopify.com 23.227.38.74, 49699, 80 CLOUDFLARENETUS Canada 28->57 59 5 other IPs or domains 28->59 93 System process connects to network (likely due to code injection or exploit) 28->93 95 Uses netsh to modify the Windows network and firewall settings 28->95 38 netsh.exe 28->38         started        41 wlanext.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 83 Tries to detect virtualization through RDTSC time measurements 38->83 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-19 15:09:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uyzxm6jxiekumsw4vsyhs7y6wlv3d3qiqcghjntnin4ab224sfaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3af2c0904f3729e0408f6479f4222d5fbcf695f2b5cd32e8737e8690661bb18b
Formbook
51b75048fd9a1f0f9ad1a76c1009b3db3fd14701e7ce770370fb0f6ffaa0042f
Formbook
5fc72e527c95078de299e57ba9a01084691efbc8cd9d4a5d5999db4506c6f46a
Formbook
5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d
Formbook
8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
Formbook
bfede26656dbab01c01f5187f8a5d9b63cd0f8bba301e8c1d145bda515960f02
Formbook
c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
Formbook
c9caca736c11e851b592f24322879f830096ef056283ab000c73fea48642278b
Formbook
d1b038b152299697331074da87cda4d3e899c2d7627472e69f329f4fbb7f5483
Formbook
+ 1'270 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae30 rat spyware stealer trojan
Link:
https://tria.ge/reports/230620-g8bz4aad67/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b56fd59488310faed9f321af83f087656ac3c3c7d0e38f2d21a4283ed8b077a3
MD5 hash:
282ebb9b52249c2d2d05c07a3f73bb5a
SHA1 hash:
987b1df03d441c27d03b18b0ae9c3cc16570231b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
Parent samples :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 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
SH256 hash:
24b077fd9b344cd944a736f24ada8b80c7285f7343ff9dc56b58769bde27e4f6
MD5 hash:
64fcc151459a284a183dbbc044aa2142
SHA1 hash:
a33fa55f857e654bb5688c116680217e673bb600
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
SH256 hash:
d5fa2d3cbaf822dfc35114ba53013a585f6acd8f828d616750c623e681bc2044
MD5 hash:
b64ae3d7ba1376e265aa572aadceaa0f
SHA1 hash:
90fb7802f4bac249eed3bb16692ccf0ae817972c
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
SH256 hash:
2611b6e901113b782f7c8cf14f239c2e2c4118f2351a8adeed33e6a9ad0561b8
MD5 hash:
8781e22a0f494b4511a7432ee9ef5d4b
SHA1 hash:
1f534ace77403cc64b5f5fe23c4d76a7393764b4
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
SH256 hash:
a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141
MD5 hash:
69946235bed51798bad9804f54ce229a
SHA1 hash:
f9a392643897a0a9a2e2b0a704a5ada25da8a1fa
Link:
https://www.unpac.me/results/0d58de6c-3df8-4b3a-a529-3df37225a62c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a63376793741/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a6337679374115464adcacb0797f1eb2ebb1ee08808c74b66d437800eb5c9141

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.

Cape
Cape
https://www.capesandbox.com/analysis/400825/

Comments