MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4. 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: 77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4
SHA3-384 hash: 3f6e86c1e23aa06f148e729a9fa77b2c5e8f27f9276705159f46a294672bb8579eef47890a84a4f368e52e1e9a039061
SHA1 hash: 8bea35f5c67818749cbcf9a367735fea13c32894
MD5 hash: 56478f00ad85f32b299aa3450f761901
humanhash: ohio-hawaii-double-berlin
File name:Purchase Order No. 4502717956.exe
Download: download sample
Signature Formbook
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File size:675'328 bytes
First seen:2022-11-27 06:17:53 UTC
Last seen:2022-11-28 15:16:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:H7EIZxD7RP51oQP/ZcrHrEr3MyLWETdDGw3zH+fvmWxsZPbLj:H7ElQP/ZioLWadDGwafvmGcbL
TLSH T1A0E43ADB39746105875A8FB17BBF4F51B2A328D09681F0326F69036CDA43B6F4B94728
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)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Purchase Order No. 4502717956.exe
Verdict:
Malicious activity
Analysis date:
2022-11-27 06:20:20 UTC
Tags:
formbook trojan stealer opendir
Link:
https://app.any.run/tasks/7038631d-71d1-482f-a7ac-96ca89ade210

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/338949/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44597.4044.25345.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
DNS request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer.exe packed phishing
Link:
https://www.filescan.io/uploads/6383011c9c57db591d88e7d0/reports/ce1dc6b6-d0d9-4146-be12-9e0fe504d57e/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/6984348c-2902-45fa-b934-827e0c86700c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121814
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 754531 Sample: Purchase Order No. 4502717956.exe Startdate: 27/11/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 8 other signatures 2->43 8 Purchase Order No. 4502717956.exe 3 2->8         started        process3 file4 23 C:\...\Purchase Order No. 4502717956.exe.log, ASCII 8->23 dropped 53 Injects a PE file into a foreign processes 8->53 12 Purchase Order No. 4502717956.exe 8->12         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 12->55 57 Maps a DLL or memory area into another process 12->57 59 Sample uses process hollowing technique 12->59 61 Queues an APC in another process (thread injection) 12->61 15 explorer.exe 12->15 injected process8 dnsIp9 27 lodehewulan.yachts 82.163.176.114, 49700, 49701, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 15->27 29 www.www64421.com 107.149.163.158, 80 PEGTECHINCUS United States 15->29 31 3 other IPs or domains 15->31 33 System process connects to network (likely due to code injection or exploit) 15->33 35 Performs DNS queries to domains with low reputation 15->35 19 svchost.exe 13 15->19         started        signatures10 process11 dnsIp12 25 www.www64421.com 19->25 45 System process connects to network (likely due to code injection or exploit) 19->45 47 Tries to steal Mail credentials (via file / registry access) 19->47 49 Tries to harvest and steal browser information (history, passwords, etc) 19->49 51 3 other signatures 19->51 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-25 15:23:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
32 of 41 (78.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6uz34etr4aa3m3d2pysh7wtu7tmnoplzzhz6wowritxgj6rl22a._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:snky rat spyware stealer trojan
Link:
https://tria.ge/reports/221127-g2lkysee85/
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
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f06b41f7-7be1-4d08-aca5-76cff6115c7b
Unpacked files
SH256 hash:
5404fc32f356990369ac9a74be7b1a43e7c561b5f660c0abb687a3f06dc9aa14
MD5 hash:
4c0307f77f0161e0e8eb30c86b7f2548
SHA1 hash:
b3b2424c96244f27defa6f492476aaa5fd25cb19
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
Parent samples :
75b803222917f13da307cd36a22b56e0192860ede2c368cab45d53cef5f4422f
77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4
d1dd1f80a7b08c0b8ee7c3067df3d35dadc6af79b02761ccf70dfcaa53f76cd7
4b01d8e4729b07277f8f71037f9fbda1f8d817d9688850d941e7832727bb0276
3276e7ff57ccbea104651066c1d45301d52fbfce23d0d48f5238d82a51abd852
590277f960d74add2860c7332ae427eaea968bdf3bb4d5a8da5563a3115b16f7
51b1ea5740bc66a8e008f46ee5583c422e7a5302cb1d7737654e84666883ce11
4b4faaccc4842d408c3caad47e364f69dad51765ab242e4dc8c97de0cd190ddc
6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad
4b834ce0a8404956a934c2b2be8441439b5b049179fe94788b5007fda7f2c2fa
SH256 hash:
1ab4a6e607afd06069dd9cd1ff07768f5cb7691b2aa7e4ebf5e19a2a5998c53e
MD5 hash:
ea8f822532135bf22f257bb18832bc25
SHA1 hash:
91999663771403e1e6f67e468ec58585bb5731b0
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
SH256 hash:
79e82b596b6b62519d73df9e45a220638421eb72c5dd4be252fe4ac353c6499a
MD5 hash:
e9d1f065ebd5962975e8cff2d212feee
SHA1 hash:
b62bd70aec22f68acc4e20ac37dd521f422ac564
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
SH256 hash:
57d7e9c3a0a0ce0280e2495aae667e896e6fba6e6e4e4580e2adfb006e8558df
MD5 hash:
54d9d8d88906627c193dec5744424330
SHA1 hash:
6bdd892f5904eb601d3f6f5ba09cd55040fbf9fb
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
SH256 hash:
77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4
MD5 hash:
56478f00ad85f32b299aa3450f761901
SHA1 hash:
8bea35f5c67818749cbcf9a367735fea13c32894
Link:
https://www.unpac.me/results/afd5c963-78a3-4ed6-adf8-d81108cd69ef/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4

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 77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/338949/

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