MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45
SHA3-384 hash: 9c7d06d80930b70e03015b44a901feea9ebe26e9279a8accfea569d0750b766920aa0bfa5c68828783d00d25813a8b83
SHA1 hash: 7aa5cccd0ef833a30c1e111a44a1990e7c8f9702
MD5 hash: 59e1b1b47cd31df99e44c961f594e34c
humanhash: yellow-vermont-spaghetti-twenty
File name:fvdsoH9LQneIhQP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:821'256 bytes
First seen:2024-03-12 06:58:25 UTC
Last seen:2024-03-14 14:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:EUdLPlaOOPaARuC+85fQGWK2VyRqIFUfhG:EyPladPaWuNRlK2Vy47M
TLSH T12F0502F1B8A0B603C4A257B55A04C9615AB23C7E84EAC7DDEA907EDD7CB2744015FE83
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) (4504/4/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
387
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-12 07:05:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f5bdfe5c-74ed-4008-a953-542354bed629

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/478705/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2738.13578.1916.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Moving a file to the Program Files subdirectory
Replacing files
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:
overlay packed
Link:
https://www.filescan.io/uploads/65effd37204403ca94d3b64f/reports/fdca0399-1098-4463-9781-ecc09ed4a41c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d23f9176-cf57-49a7-977e-0d5ed9ba12ba
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1407235
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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 FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1407235 Sample: fvdsoH9LQneIhQP.exe Startdate: 12/03/2024 Architecture: WINDOWS Score: 100 36 www.yandada.us 2->36 38 www.nsrpackersandpackers.in 2->38 40 11 other IPs or domains 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 11 fvdsoH9LQneIhQP.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 fvdsoH9LQneIhQP.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 65 1 14->17 injected process8 dnsIp9 30 www.yandada.us 91.195.240.94, 49717, 80 SEDO-ASDE Germany 17->30 32 adilosk.shop 84.32.84.32, 49715, 80 NTT-LT-ASLT Lithuania 17->32 34 3 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 mstsc.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-03-11 03:07:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kgsd7uarqaxqpdtoibnjrxsgplq3om3pqiybrmihfr23wr6hvcq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ns03 rat spyware stealer trojan
Link:
https://tria.ge/reports/240312-hr3l6ada46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
9518217b208cfca11a2b068cbfb18552033199e5765482b3b083e2a31398bb39
MD5 hash:
aa289b0ba123b74f54e850e6cf597075
SHA1 hash:
60d6cfcab59aed57d9e983d2af885ddc6b767241
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
Parent samples :
96d90626c35f88cc3632053cb3e3996b4a25a172c140b0917061f1fac691db3f
f2afb3f2fc399a22f91d7697807904a9890f2bfa18c8c78a3dfc623e7c23815d
da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45
998364f5e0b54676d1d45747717b5adfe4b92ee5a6046d93f7f92e77d95866bc
b3dd3ec805692dca3ce544068053b8d4e85521265dd4a1392ecf0d47b2814c66
e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75
d68a5d440931df383de62e3436f5f485ecd75b552e8b78065706a8c880828378
4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92
2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2
12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4
SH256 hash:
06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d
MD5 hash:
91b39e533d48f5fa25ac604da90b3d8d
SHA1 hash:
f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
SH256 hash:
41d66b554d7595692de1f02bf3fe7d6475bb847c160cc593a8632439d4664909
MD5 hash:
90c85de5aa7bc178cae3f7237c62286f
SHA1 hash:
bdcb08749150b92375b9a5b4eaa197748b504008
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
SH256 hash:
e3dec77921c48a7907a0ba633eec9f272d1d64645319b560cdc3764fc149ecc1
MD5 hash:
efee136433bb477b572b1007e8bded63
SHA1 hash:
6fdbe5f9c60f3644aae0fab4441ee5b7aeef693b
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
SH256 hash:
4c24e817caa1d171b72d818bcbd4dfd92aff369510ec26a733fdd7449543bb72
MD5 hash:
b8bed81c958e96dee919a9aa9c215165
SHA1 hash:
0feae0c63992f6407938d593a14feda24915a3e0
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
SH256 hash:
da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45
MD5 hash:
59e1b1b47cd31df99e44c961f594e34c
SHA1 hash:
7aa5cccd0ef833a30c1e111a44a1990e7c8f9702
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/45aa4418-e2b8-4de5-b8ba-c3841826e590/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da8d21fe808c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

r01 f063e90b947b57b3e9adafaa379e0783f9e2e99e6671fe04ff72ff95336adcb7

Formbook

Executable exe da8d21fe808c01783c737202d4c6f233d70db99b7c1180c5883963adda3e3d45

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/478705/
  
Dropped by
SHA256 f063e90b947b57b3e9adafaa379e0783f9e2e99e6671fe04ff72ff95336adcb7
  
Dropped by
MD5 f9e7db8f871796c73c32ee946c9abe26

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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