MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8624ba1b9934fe1a27840f1a7b238298430055e3775bc79cbe0ef222e398b1b3. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: 8624ba1b9934fe1a27840f1a7b238298430055e3775bc79cbe0ef222e398b1b3
SHA3-384 hash: 6ed366a6ad3f1eceb8b40a7c688c79c71da1f5b8a5eb494226c0f9ea07039ee91daea6a29e902a712576648996b0460a
SHA1 hash: cdd413c2b07be9d0117f06b776ce79121f7102ec
MD5 hash: 29394c006ebb2016c117c4226f570100
humanhash: florida-white-mango-bluebird
File name:SecuriteInfo.com.Trojan.PackedNET.1293.19862.737
Download: download sample
Signature Formbook
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File size:687'488 bytes
First seen:2022-09-17 18:18:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:h74361Xzy2/KMA2bRwpoce1GHx9Ci2w0SdWA22V:h7qMB28oj
Threatray 39 similar samples on MalwareBazaar
TLSH T109E4CB2938BA100DB272AD5C6BBCB176911EF7F226365C7B0DF7060611129F0DB9D63A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
466
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.1293.19862.737
Verdict:
Malicious activity
Analysis date:
2022-09-17 18:19:39 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4ecd9d4a-8119-4549-a9b1-27ceb2392886

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/310982/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1293.19862.737.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler.exe barys formbook overlay packed packed
Link:
https://www.filescan.io/uploads/63260f9f1183046074ac65b2/reports/eebebdd1-1381-4ed6-888f-5f9509c2c013/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/70b2789d-501b-4ffa-8bc8-72fe955b9d29
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1072313
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 704855 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 40 www.thetravelrs.com 2->40 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Sigma detected: Steal Google chrome login data 2->52 54 7 other signatures 2->54 11 SecuriteInfo.com.Trojan.PackedNET.1293.19862.737.exe 1 2->11         started        signatures3 process4 file5 38 SecuriteInfo.com.T...3.19862.737.exe.log, ASCII 11->38 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Injects a PE file into a foreign processes 11->72 74 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->74 15 aspnet_compiler.exe 11->15         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 2 other signatures 15->82 18 explorer.exe 15->18 injected process9 dnsIp10 42 premiumgclfrt5globali.site 178.63.206.12, 49713, 49714, 49715 HETZNER-ASDE Germany 18->42 44 www.shiguangjiyingxiang.com 103.30.40.140, 49716, 49717, 49718 CLOUDIE-AS-APCloudieLimitedHK Hong Kong 18->44 46 www.premiumgclfrt5globali.site 18->46 56 System process connects to network (likely due to code injection or exploit) 18->56 22 explorer.exe 18 18->22         started        signatures11 process12 file13 32 C:\Users\user\AppData\...\01-logrv.ini, data 22->32 dropped 34 C:\Users\user\AppData\...\01-logri.ini, data 22->34 dropped 58 Detected FormBook malware 22->58 60 Tries to steal Mail credentials (via file / registry access) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 64 3 other signatures 22->64 26 cmd.exe 2 22->26         started        signatures14 process15 file16 36 C:\Users\user\AppData\Local\Temp\DB1, SQLite 26->36 dropped 66 Tries to harvest and steal browser information (history, passwords, etc) 26->66 30 conhost.exe 26->30         started        signatures17 process18
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8624ba1b9934fe1a27840f1a7b238298430055e3775bc79cbe0ef222e398b1b3/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-17 16:17:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qyslug4zgt7buj4eb4nhwi4ctbbqavpdo5n4phf6b3zcfy4ywgzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
34169efb7918a3147993db3b1a41978d2d24e59f3838dbb0c9f798b880b88c34
Formbook
3a10a97283af4f78af35b8e56568999c2b5d11f95a1d30676b93bd3f8a911ccc
Formbook
461c842fe489a6cdb051283e103f21acd55f04d2b6ed2a16144b518c63f9cedb
Formbook
4ed9ee0e832d472c7c728b9a2231be0b161114b127e96f50635b1589ce69adb1
Formbook
7f62fd53088ebd8b9bd81030503ce5022bbd176782989824bf2fc5372580cf7e
Formbook
93aa448f073adc27069fc7fd7b23f9a7bc6fdebdfa25922c264cdc7b8c164e20
Formbook
a344c2048ba173e6f62a5021c61a77402d7a6922a21c28166d1cc1a0ec8b1d99
Formbook
debaa86c7cc432a211ae5b9ddc47150baf72dcbfb9ca50dc442761dc9144a6da
Formbook
+ 29 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bge6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220917-wx6gwsabe3/
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
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cab80b35-2808-4e44-9fc8-506768146db9
Unpacked files
SH256 hash:
3e56ff71a7bb402fc44cc26f22f6c328b007a971d65c33ff07de614f867a03fd
MD5 hash:
cef089156f630a1f06aa3f6a1e280221
SHA1 hash:
1807984fd31aaa400fa3f618f68ac245663e16ae
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5c34f6dc-189d-46d3-8d48-eb3efacf9c1b/
SH256 hash:
a1d4840074610a27ba17e528dcac0cbe940e8f3642bc692ed2c678a0da1bbb85
MD5 hash:
dc8758d30046416ea00a3eb0614d9b18
SHA1 hash:
98380f55176129aed001b09fa77e55f4bb5ae1a1
Link:
https://www.unpac.me/results/5c34f6dc-189d-46d3-8d48-eb3efacf9c1b/
SH256 hash:
8624ba1b9934fe1a27840f1a7b238298430055e3775bc79cbe0ef222e398b1b3
MD5 hash:
29394c006ebb2016c117c4226f570100
SHA1 hash:
cdd413c2b07be9d0117f06b776ce79121f7102ec
Link:
https://www.unpac.me/results/5c34f6dc-189d-46d3-8d48-eb3efacf9c1b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8624ba1b9934/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8624ba1b9934fe1a27840f1a7b238298430055e3775bc79cbe0ef222e398b1b3

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:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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/310982/

Comments