MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb
SHA3-384 hash: e4406e32c3b1656fd37e0239c5c21321038c4caa4c69bfade8b56480d95cea227e3e8c6877afa197313520431029a080
SHA1 hash: b43d4b0ae65c39dbfb87f93dde503b0cda956cb4
MD5 hash: 89ec4ccd0d790516f31f16d54f892f87
humanhash: nine-salami-sink-robin
File name:PQR-70993-317.pdf.exe
Download: download sample
Signature Formbook
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File size:740'352 bytes
First seen:2022-09-05 10:39:19 UTC
Last seen:2022-09-06 13:17:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ZVF75e1ZHtgSvBAHr98OzDfsDjS2Y7GZul6wxI1FsY42Ey+QJll/u:ZVZ52ZNgnL982ec4A6wG1m4E5QJq
TLSH T1DBF49BA6D4E4BF13F6370E7863706E16422429371F998545E8EFCBE261DAE35202F583
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0e4ac5cd3f2e8f0 (10 x Formbook, 4 x Loki, 3 x AgentTesla)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
PQR-70993-317.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-05 10:41:13 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fba6cfa8-4794-494d-8b9c-96a04bff8a9c

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/307815/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1427-2.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6315d24731a6d28c0ce231fe/reports/62b63639-f309-4810-9b0b-d0a59c66bf3b/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/337d58d9-4966-4582-8810-137914039b9e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065049
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 697575 Sample: PQR-70993-317.pdf.exe Startdate: 05/09/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 12 other signatures 2->54 10 PQR-70993-317.pdf.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\DTGdYReG.exe, PE32 10->36 dropped 38 C:\Users\...\DTGdYReG.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpEF42.tmp, XML 10->40 dropped 42 C:\Users\user\...\PQR-70993-317.pdf.exe.log, ASCII 10->42 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Writes to foreign memory regions 10->60 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 14 MSBuild.exe 10->14         started        17 powershell.exe 21 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 2 other signatures 14->78 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.asdmohs14.website 21->44 46 asdmohs14.website 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 29 cmstp.exe 21->29         started        signatures10 process11 signatures12 66 Modifies the context of a thread in another process (thread injection) 29->66 68 Maps a DLL or memory area into another process 29->68 70 Tries to detect virtualization through RDTSC time measurements 29->70 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-05 05:11:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgilmhwprptlayzosgm5a7tlh7tjxanvw6uzqchot62jo73bftnq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sg94 rat spyware stealer trojan
Link:
https://tria.ge/reports/220905-mqh9caaag8/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
5f03e4a3ced13c509e1bff7eef4ea91ef8fbf7558e828c31bdff2c525373d171
MD5 hash:
ba381b26613f340f0c2bc07a11811397
SHA1 hash:
df451b830bb7941326e0232b93c97d30b0177d15
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
Parent samples :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 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
SH256 hash:
f650f71d28c3d6fb1bf9a8392d72aeae9688b1488aae6cc5334823d5733e08bc
MD5 hash:
5f555e5ba3755b5efde77da8f607dc27
SHA1 hash:
99887540547e681db0bed0cd6fdfbb693b085fce
Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
SH256 hash:
477b15814cf4afa744afa6846312335bddb83d716401904e41b4cb4b98f23757
MD5 hash:
1a8c45fd8a0d94dfddfbbbc61251393b
SHA1 hash:
1e9b5b36b986ce45c1ee57ce571189c1efd0be3f
Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
SH256 hash:
b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb
MD5 hash:
89ec4ccd0d790516f31f16d54f892f87
SHA1 hash:
b43d4b0ae65c39dbfb87f93dde503b0cda956cb4
Link:
https://www.unpac.me/results/ea677109-9b9d-4812-a27b-faa58f55f0dd/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b190b61ecf8b/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/b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe b190b61ecf8be6b0632e9199d07e6b3fe69b81b5b7a99808ee9fb4977f612cdb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/307815/

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