MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93. 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 2 File information Comments
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SHA256 hash: 7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93
SHA3-384 hash: ec5a7b3435e4c9fe751ad0663517a4fbc2f88aeee2f1c7eedacb21a509c22680e9be84c78d475bbbdd84f7ea9a29ced5
SHA1 hash: 74ad83335575e4737fae14ad0a46a2a22e98ef6a
MD5 hash: ec27e930143d69f20909f44c4f19eab5
humanhash: winner-leopard-indigo-india
File name:PDF.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:760'320 bytes
First seen:2022-05-18 17:02:03 UTC
Last seen:2022-05-18 17:47:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:g2E7bzigWIqc6kJn/qPlVcNIEhHR1BJwcZvQtiJzva8Mp:g2E7bzvJ62niP4NIEFBac9giJu8
Threatray 13'142 similar samples on MalwareBazaar
TLSH T117F49DA03ABB0B57F9388BFC00A6217547F13072D66BC2991F9375EB1461B9A0EC495F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-05-18 17:04:51 UTC
Tags:
trojan formbook
Link:
https://app.any.run/tasks/208e3bf6-d2b3-432f-b19b-2e9c28294c38

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/272186/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.11881.25512.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628526c822b733139c2a0330/reports/0d1e03d4-03d2-42e3-b5cd-953181303cc8/overview
Result
Verdict:
UNKNOWN
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/0515067c-d7ed-4525-8e85-c0a4addf3deb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/997010
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629502 Sample: PDF.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 10 other signatures 2->60 10 PDF.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\VWmTgzlF.exe, PE32 10->38 dropped 40 C:\Users\...\VWmTgzlF.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp7009.tmp, XML 10->42 dropped 44 C:\Users\user\AppData\Local\...\PDF.exe.log, ASCII 10->44 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Adds a directory exclusion to Windows Defender 10->66 68 Tries to detect virtualization through RDTSC time measurements 10->68 70 Injects a PE file into a foreign processes 10->70 14 PDF.exe 10->14         started        17 powershell.exe 25 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 Queues an APC in another process (thread injection) 14->78 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 50 www.mavxuz.online 162.0.213.123, 49866, 49877, 49879 ACPCA Canada 21->50 62 System process connects to network (likely due to code injection or exploit) 21->62 29 cmd.exe 18 21->29         started        signatures10 process11 file12 46 C:\Users\user\AppData\...\221logrv.ini, data 29->46 dropped 48 C:\Users\user\AppData\...\221logri.ini, data 29->48 dropped 80 Detected FormBook malware 29->80 82 Tries to steal Mail credentials (via file / registry access) 29->82 84 Tries to harvest and steal browser information (history, passwords, etc) 29->84 86 3 other signatures 29->86 33 cmd.exe 2 29->33         started        signatures13 process14 signatures15 52 Tries to harvest and steal browser information (history, passwords, etc) 33->52 36 conhost.exe 33->36         started        process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-18 12:56:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pm5mecnoadgr7wzjoazlgxjnbmoa4htg3fnrzeaelzcmeizdfsjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
065447963af3f19bf39599204f7617764ebc6703b795cb5948d7660e01c955ff
FormBook
212a9d67f119355da790e8449b6978f357d46bb671d7e038444ad1eae5995bdc
FormBook
2e306d4e802c3797837c61dd955ac3d42c7648747a1f44fca0381069815e8e2b
FormBook
38dcb9b9943a8e9c79592af3c754aae2feb84c832e7111828224f2bd663f3d82
FormBook
68a837f8646bc09c634d13045d36ee05f43f319e88c2a47295d01c47574accae
FormBook
786d7fef1f6b313461e01a67b89db558dfd79a558a2669e73ee0483717600bd0
FormBook
9997ae9723bd215339367807584c52f6e7c99910d5d155f10294b7a8ac55ba1a
FormBook
be44388c1d6cb611f833ee2a52ba342d542bd4ce6da7f4d87a013094fe200eea
FormBook
f40a38225821147424c40ad23f18de1859e7c2ca11ae544387aed8ae2583b364
FormBook
+ 13'132 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m94n rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220518-vknwmseffj/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Reads user/profile data of web browsers
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
d80aaddb49d6c717b700a92382521fbbfb50a6eb2bd5e9ebdd8eb576aed16241
MD5 hash:
f008511a4da88793fc33e1503fa1ca8b
SHA1 hash:
a2ecf22dacfdfac1a94db82c7ff4d50d0aed71d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/61680b19-29b7-4043-9664-e9d34575acf0/
Parent samples :
11dd00b072a09a1fbb102e92ed096edb02f0dac02a88a690666873d4bcd2c515
7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93
2206d15b819a0d6ed671d99487bb1d52b34194ad540b6fe3e93a75fc11ebee6f
2d7596387c56ea27d070940b58893160f96ab6b8e3ce084f4687a06a1a0d44a9
73fb7e6a62fd32d3a0641d37119b41aa9ae24f6e0aba7e4d8c4c715cdd972679
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
Link:
https://www.unpac.me/results/61680b19-29b7-4043-9664-e9d34575acf0/
SH256 hash:
4f96fbdbef7c79dd97aa7080f9e1b54897b75759d5c50c7e7c58e60700b1267f
MD5 hash:
1e524c24d53b0b465af7ab33441c7d7c
SHA1 hash:
14619e744829d9320e8bcffe1073b79e11f085b2
Link:
https://www.unpac.me/results/61680b19-29b7-4043-9664-e9d34575acf0/
SH256 hash:
2e0a68e4e4ccf1a925aff76b43689b276bf3671e352cc5bd7a6c1544ba3f05a8
MD5 hash:
b7f8f1b126a525635037d27e8e6c124b
SHA1 hash:
03af3e7a1115c9eb2be6c25394334ade308cbb5f
Link:
https://www.unpac.me/results/61680b19-29b7-4043-9664-e9d34575acf0/
SH256 hash:
7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93
MD5 hash:
ec27e930143d69f20909f44c4f19eab5
SHA1 hash:
74ad83335575e4737fae14ad0a46a2a22e98ef6a
Link:
https://www.unpac.me/results/61680b19-29b7-4043-9664-e9d34575acf0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b3ac209ae00/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/7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93

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.

Malspam

FormBook

Executable exe 7b3ac209ae00cd1fdb297032b35d2d0b1c0e1e66d95b1c90045e44c223232c93

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/272186/

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