MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804
SHA3-384 hash: c72c34ebb0e3b352f233e6ef9f6112fd4be0897c92ceed7896627dd8f0ccf21510e1bb56e2cc53ee179a442d9b5c3850
SHA1 hash: 3fa89f0afbcfd0f516eb7937deb7c47a48510040
MD5 hash: 88030921bd02aa40aad0a9f06b785dc5
humanhash: carolina-shade-rugby-mississippi
File name:Offer pdf.exe
Download: download sample
Signature Formbook
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File size:709'120 bytes
First seen:2022-08-15 07:10:28 UTC
Last seen:2022-08-15 07:34:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Ntd2hUfI9ehkOMZjolloCadl1i6EkEEYfXB8oM2TgiFmki9bF34:NtohW6Rjzdm6LEbx86gEk3
TLSH T131E4E09F2ECC5605CC360778ECDC1084ABF2BEA93616D6DE5CA3319AC57239C8358E56
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f0c8cce8e0f071 (10 x FormBook, 7 x AgentTesla, 6 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Offer pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 07:12:32 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/33c8ceef-f3c9-42cf-a684-f8ad47a47071

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/298594/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.9258.2358.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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/62f9f205f6ec33747dae401b/reports/145696dc-8b3f-499d-b40f-13b165df2f6d/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e36c3cb-a09f-4d96-b4c9-44b734315ea9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051346
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683857 Sample: Offer pdf.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 31 www.litaroma.com 2->31 33 www.hoperize.org 2->33 35 7 other IPs or domains 2->35 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 9 Offer pdf.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\Offer pdf.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 Offer pdf.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 soc2template.com 37.97.254.27, 49890, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 16->25 27 www.workfi.space 91.195.240.94, 49856, 80 SEDO-ASDE Germany 16->27 29 4 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 20 chkdsk.exe 16->20         started        signatures11 process12 signatures13 47 Deletes itself after installation 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-08-15 02:35:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gwwr2vkt2ylwhmxjjrxe2zwnlnwlublyonxsakqszccsloislaca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220815-hzyceaadh3/
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
Checks computer location settings
Unpacked files
SH256 hash:
2e92d67602c0c8cbcc9aa4fa389daf1c0e764bf262e7823f2e11a5ee1d23260d
MD5 hash:
5d632a87a52902f05eb642774b3c4c8b
SHA1 hash:
77a985277e0d3f4e17e116bec2691dd82ece5366
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
Parent samples :
35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804
1f6196df71fd42914047aed3047c55bc068512c0fece56245bfa072b8d248bce
SH256 hash:
75d5fc779edfd5f6abf8a484fa367f3a383e1241085ab921324e52306e71270e
MD5 hash:
95db24888edde08260446e2896de9ccc
SHA1 hash:
64455ea3ece595b99a1dafd596649e8e4e59c85c
Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
SH256 hash:
c4017269b3edb1241c24079be1270527cc3fc38bdadaa361a9b323bbc5eff20d
MD5 hash:
4d4b1c9a386aa0cb5e30eaf1b9999581
SHA1 hash:
4e1c9b14313372b9ba825a3533b15012348a2fb0
Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
SH256 hash:
35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804
MD5 hash:
88030921bd02aa40aad0a9f06b785dc5
SHA1 hash:
3fa89f0afbcfd0f516eb7937deb7c47a48510040
Link:
https://www.unpac.me/results/d7193325-37db-46f6-8bb1-5a682049b212/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804

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 35ad1d5553d61763b2e94c6e4d66cd5b6cba0578736f202a12c88525b9125804

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298594/

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