MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e
SHA3-384 hash: b82dfc69465b92533fb50f5a9a0c2f98240bba486e2e68a858a2fddff64f2cb015fd2342400474bb592c3f4da4307760
SHA1 hash: e865268ee5de35a4fd0c4754a43a27ad1126bb72
MD5 hash: dbb00ceac5c3c668bdbb0c91df825be7
humanhash: kentucky-louisiana-moon-bluebird
File name:Payment_Confirmation_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:861'704 bytes
First seen:2024-11-27 07:52:18 UTC
Last seen:2024-12-02 13:11:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:3oQ1dzG4CqqUZltSYTWQThVb63Dc9apeCC:zdzGhqFltSDQlVb6zc5CC
Threatray 154 similar samples on MalwareBazaar
TLSH T1BC0502946374C606E1E60B70A8B0C3B523B57E85B412E31B9BE8ECEB3D657416D0B3D6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
410
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment_Confirmation_pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-11-27 07:55:00 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/5423d821-1ed4-4192-bde3-ac15b2d86fda

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.1434.834.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6746cfe0b31374f09835049c
Tags:
underscore virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/6746cfdebac54c2480e214da/reports/70bb3b3a-4ed3-4e08-a123-2873b172ab0a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c5c22aa6-8f9c-4abb-8c5e-8edc3aa36e0a
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1563622
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563622 Sample: Payment_Confirmation_pdf.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 61 www.egldfi.xyz 2->61 63 www.zxyck.net 2->63 65 3 other IPs or domains 2->65 81 Suricata IDS alerts for network traffic 2->81 83 Sigma detected: Scheduled temp file as task from temp location 2->83 85 Multi AV Scanner detection for submitted file 2->85 89 9 other signatures 2->89 10 Payment_Confirmation_pdf.exe 7 2->10         started        14 cQwRvD.exe 5 2->14         started        signatures3 87 Performs DNS queries to domains with low reputation 61->87 process4 file5 53 C:\Users\user\AppData\Roaming\cQwRvD.exe, PE32 10->53 dropped 55 C:\Users\user\...\cQwRvD.exe:Zone.Identifier, ASCII 10->55 dropped 57 C:\Users\user\AppData\Local\...\tmp6A84.tmp, XML 10->57 dropped 59 C:\Users\...\Payment_Confirmation_pdf.exe.log, ASCII 10->59 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 10->91 93 Adds a directory exclusion to Windows Defender 10->93 16 RegSvcs.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        23 schtasks.exe 1 10->23         started        95 Multi AV Scanner detection for dropped file 14->95 97 Machine Learning detection for dropped file 14->97 99 Writes to foreign memory regions 14->99 101 2 other signatures 14->101 25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        29 RegSvcs.exe 14->29         started        signatures6 process7 signatures8 73 Maps a DLL or memory area into another process 16->73 31 mYtMtAAMpAtCOL.exe 16->31 injected 75 Loading BitLocker PowerShell Module 19->75 34 conhost.exe 19->34         started        36 WmiPrvSE.exe 19->36         started        38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        42 conhost.exe 25->42         started        process9 signatures10 111 Found direct / indirect Syscall (likely to bypass EDR) 31->111 44 sdiagnhost.exe 13 31->44         started        process11 signatures12 103 Tries to steal Mail credentials (via file / registry access) 44->103 105 Tries to harvest and steal browser information (history, passwords, etc) 44->105 107 Modifies the context of a thread in another process (thread injection) 44->107 109 3 other signatures 44->109 47 mYtMtAAMpAtCOL.exe 44->47 injected 51 firefox.exe 44->51         started        process13 dnsIp14 67 www.innovateideas.xyz 47->67 69 www.zxyck.net 118.107.250.103, 49849, 49859, 49865 OCENET-AS-APOCESdnBhdISPMY Hong Kong 47->69 71 4 other IPs or domains 47->71 77 Found direct / indirect Syscall (likely to bypass EDR) 47->77 signatures15 79 Performs DNS queries to domains with low reputation 67->79
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-11-26 21:55:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6yam2bkg7itnirvjmtefectqcyyttegy3gegv2chpd23i5g4qfha._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
Similar samples:
4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc
Formbook
75fdc92b3101bba09f964b73e7931a7b021442e130e64dcc421d155fa50806b7
Formbook
b82218278170fafae730880ed02b285fab6c9798d1951b67fc9f5f8d1cf69859
Formbook
c240de1c470b2ba22b8628de9a10b7d81e9f453eb94a46a9d0875f7f1705409c
Formbook
error
Formbook
+ 144 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241127-jqy31svkdy/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/904c952c-1dc8-4e43-99f6-94bb434ded2c
Unpacked files
SH256 hash:
f8ee48704a15a448f363b98f4a3e38c8994251f526c3909429e3cff89dbd381d
MD5 hash:
17cd0b6ab7e8e11a52d2af9ff1d1a5cd
SHA1 hash:
82e067d8d51d3d9444bfef8286cc86d151bb9645
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/eb6af36b-6452-48ee-9fa7-2dc39dcb506e/
SH256 hash:
ff6151c1ff039d6e147ca6a645972b9e2dc52d412092a07ae537d9de26dd7b75
MD5 hash:
77e5385bf1bb06d863ffe58e204c7f56
SHA1 hash:
d316d90149b93c92d383e64afd6fa570d366d97a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/eb6af36b-6452-48ee-9fa7-2dc39dcb506e/
SH256 hash:
6180b12a71ed1a49a4f36f950779d2e687b0b924d95fc93124586ca7f495d51d
MD5 hash:
a479c4bb2215cbd80e31c09973a82e0b
SHA1 hash:
be425f60ec37ebfd220ca9d6ff66e1499489a62e
Link:
https://www.unpac.me/results/eb6af36b-6452-48ee-9fa7-2dc39dcb506e/
SH256 hash:
072e2325dcb6bbb4cef9379a531e5d44f6c993d369ec49a0fdb916143ce6c0f5
MD5 hash:
7871f84a8067c89befc4d1d17ceb9225
SHA1 hash:
4b7dbf1edd1ddf24bbdc3e3dfa0fc820ea768caf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/eb6af36b-6452-48ee-9fa7-2dc39dcb506e/
Parent samples :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 hash:
f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e
MD5 hash:
dbb00ceac5c3c668bdbb0c91df825be7
SHA1 hash:
e865268ee5de35a4fd0c4754a43a27ad1126bb72
Link:
https://www.unpac.me/results/eb6af36b-6452-48ee-9fa7-2dc39dcb506e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f600cd0546fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f600cd0546fa26d446a964c8520a7016313990d8d9886ae84778f5b474dc814e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments