MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42. 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: 71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42
SHA3-384 hash: 3be26aebfa70ae7cf5272a0d16389019a28437ed7a92cb8ec568752729ed8eb29d400497fe667392e2b605e5d72f3cbf
SHA1 hash: 81cae721012ae3d859210d708182bc0af4772772
MD5 hash: f5f1fe50baeaa8103aaa723ddcbc7eb2
humanhash: network-freddie-uncle-may
File name:71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42
Download: download sample
Signature Formbook
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File size:629'760 bytes
First seen:2022-12-07 14:28:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:QJvylmTMGbO6JVWAeiwWG2zVj/b5CeK75/o3o5TP107kyLL1XXMQ:Wv2mTMGbr/zNoeqq0TaoyLJnM
TLSH T17AD4F159F533E9BEE82D43F93D715C026B21D41A98ADCBBC998225DA083434215AFDCF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42
Verdict:
No threats detected
Analysis date:
2022-12-07 14:28:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d93b151e-56cf-4a4b-a952-6ebeb5b44021

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/344016/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6390a3309a505ad9423de1f1/reports/10884978-3aab-441e-bbc7-89a6a8f90f24/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/ce477fdd-ca11-48f3-b4e8-ba071614dfed
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129996
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
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 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: 762720 Sample: 6X6ovsK2NV.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 5 other signatures 2->38 8 6X6ovsK2NV.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\6X6ovsK2NV.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 6X6ovsK2NV.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.sthenrymedical.com 3.139.86.243, 49718, 49719, 80 AMAZON-02US United States 15->24 26 www.envacatures.com 66.29.142.237, 80 ADVANTAGECOMUS United States 15->26 28 5 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 help.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-14 07:56:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ohokyofgx5tn7re2sm6m7tybx7hhr3oco3irvqmbwkje5pyltzba._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:e7nb rat spyware stealer trojan
Link:
https://tria.ge/reports/221207-rs27fsfb72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e3ca9b4c-9a9d-4ad7-a3ef-db9ca6222c02
Unpacked files
SH256 hash:
db6ae0ccd2db56b33660156b9fb27c0f81a1c35e171f3464627d432eab2619ef
MD5 hash:
13359d2c2b1ab26168847e365cd43773
SHA1 hash:
97764b4ac49b29c23c7da8f746c12a2083c52d50
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/b32d23c3-b611-4c89-a378-76bb4da3b577/
Parent samples :
7f0d2570e95993562f659f45e635df91b3155a8c220bc1b859f1cf838bb66278
da37c66e5cc323386f9637b402df14fc02cd76eb9abc6853a458d266db163088
b78a810a8191aa868b43012e177e7fba672974dfb438f31405caea35beb75a48
67dfdca1a2d42035d8ef9bde053531051793e2f13e30b8f1fe0a81fdd52e99fb
e5afa7413d271eb60f89be735d02aee02bb7390c022eeadf46ff30448416995d
71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42
SH256 hash:
41b028c61e5d5e961a675b3fcbf760e0495aaed32681847a01e2b0e9be704bdf
MD5 hash:
b7fd0ed124454c48dd419306d4e2acd9
SHA1 hash:
9ae87d0a7f0fdb2964b5986a229753c49d467a0e
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
SH256 hash:
c6c6d9cbcad2ee1a9cf94f4bfdb907807083d92d2b12eaa1b4e7f2f2925afcf7
MD5 hash:
6cb2dc2dee11372f402a88a6601de89f
SHA1 hash:
94b33db7edb4519e5414771daa533b51265f3f7b
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
SH256 hash:
e46a7f69396ec613c0ab35c353a3bb2549ae3cc07141b986061c83a3ff9d7e65
MD5 hash:
2facb643af43826510c65c292961356e
SHA1 hash:
1d1b9de815c8b5ca57f8ba8d069acdef122f820b
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
SH256 hash:
71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42
MD5 hash:
f5f1fe50baeaa8103aaa723ddcbc7eb2
SHA1 hash:
81cae721012ae3d859210d708182bc0af4772772
Link:
https://www.unpac.me/results/b32d23c3-b611-4c89-a378-76bb4da3b577/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/71dcac38a6bf66dfc49a933ccfcf01bfce78edc276d11ac181b2924ebf0b9e42

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.

Cape
Cape
https://www.capesandbox.com/analysis/344016/

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