MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038. 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 4 File information Comments
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SHA256 hash: 7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
SHA3-384 hash: dc9744cc296218f24499fda772519308133888ab9eac78a6024966242d5841094caf29808784be281aad0dbf7c09a3a7
SHA1 hash: 1c4c26b160a42653792d77cf6831a8f64e04977a
MD5 hash: f0c3a6d217751e74de77ad5fd7e87b04
humanhash: sodium-oregon-oscar-ten
File name:SKM_CN09102023 pdf.exe
Download: download sample
Signature Formbook
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File size:564'736 bytes
First seen:2023-11-03 08:00:36 UTC
Last seen:2023-11-03 09:19:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:HIkkgWHWlRv6V3jLzvLfP+/ltdOMLhOLzV+Du:HIkkHHCRCVznL4tdOwkW
TLSH T126C4231667605B36D5BAEBF14265C48127FD352B10B2D2EA0EE030CA959BF2385B5B0F
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)
File icon (PE):PE icon
dhash icon b2a86de4d496d469 (11 x Formbook, 6 x AgentTesla, 1 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/457999/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6544a8cfa6fa5eab936e4bf0/reports/8d65d619-0ba6-4a65-827e-1a66d332b9fc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
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/19b70898-f431-4f18-b67a-a163819c8d08
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336565
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336565 Sample: SKM_CN09102023_pdf.exe Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 30 www.ttasum.site 2->30 32 www.thewrkrbees.com 2->32 34 14 other IPs or domains 2->34 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 9 other signatures 2->56 11 SKM_CN09102023_pdf.exe 3 2->11         started        14 SkypeApp.exe 4 4 2->14         started        signatures3 process4 signatures5 66 Tries to detect virtualization through RDTSC time measurements 11->66 16 SKM_CN09102023_pdf.exe 11->16         started        process6 signatures7 42 Modifies the context of a thread in another process (thread injection) 16->42 44 Maps a DLL or memory area into another process 16->44 46 Sample uses process hollowing technique 16->46 48 Queues an APC in another process (thread injection) 16->48 19 explorer.exe 7 1 16->19 injected process8 dnsIp9 36 www.bushelandabean.com 199.34.228.163, 49710, 80 WEEBLYUS United States 19->36 38 www.print3d.tools 213.186.33.5, 49724, 80 OVHFR France 19->38 40 6 other IPs or domains 19->40 58 System process connects to network (likely due to code injection or exploit) 19->58 23 svchost.exe 19->23         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62 64 Tries to detect virtualization through RDTSC time measurements 23->64 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
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Status:
Malicious
First seen:
2023-11-03 03:30:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pv5pjhvolzgr2mvpov22n3gsule6nnv6sxw7katoh3v54i7eia4a._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:g11y rat spyware stealer trojan
Link:
https://tria.ge/reports/231103-jwkgtaeb9x/
Behaviour
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
6ff7eef9360cc9ee0310f08411dc1de34746b44321b5784671dbf5f3d9bcca30
MD5 hash:
82f3cd4d9304a5e097cf2831a829b30d
SHA1 hash:
a025216f4268e46752872985d03fe0b718b3c4be
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/4fb86a48-b4d4-451f-8cf6-3cf1db968bce/
Parent samples :
7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
08bd19ee270606f776e998984c478e35eb93b7a8eade7c4d945d2869ece51ed9
1689e8640744d9c02fb7afae8b9d62cc9c464d12ee33a7ef65f72e8840d47733
4f8ef9616b1237912967776aff09a8b8fea96837f78787911ce7405ecb4b001d
66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
fd032e026a2d0dc8f80370acf62e120c4a04fb1fd46318839f162f1949ad0edf
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/4fb86a48-b4d4-451f-8cf6-3cf1db968bce/
SH256 hash:
5bb34708326a0bf001f1615eac2a8ebfc2f583032f38044edbd9a9aac879bdf1
MD5 hash:
b7642d716c340d8dcd459524331dc038
SHA1 hash:
898cfe91dd102507c9498be63e75ca792166226e
Link:
https://www.unpac.me/results/4fb86a48-b4d4-451f-8cf6-3cf1db968bce/
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/4fb86a48-b4d4-451f-8cf6-3cf1db968bce/
SH256 hash:
7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
MD5 hash:
f0c3a6d217751e74de77ad5fd7e87b04
SHA1 hash:
1c4c26b160a42653792d77cf6831a8f64e04977a
Link:
https://www.unpac.me/results/4fb86a48-b4d4-451f-8cf6-3cf1db968bce/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7d7af49eae5e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
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 7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/457999/

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