MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
SHA3-384 hash: 7c22a9e5c7a89df20249d54cf2a5fc43e0bc1454ea793c597dbb5bd49a80d6a347b3ce94f689b9acae4a251287092ea5
SHA1 hash: 4a6181d508ce4e055348e51ec43cff1c512abeb6
MD5 hash: d8fa08c2e34753e1eefceb020f92cb09
humanhash: solar-delaware-harry-freddie
File name:z1DOCUMENTINV.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'270'272 bytes
First seen:2024-08-21 11:45:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8arEs1ER42OWz+GX:/TvC/MTQYxsWR7arcKn
Threatray 2'860 similar samples on MalwareBazaar
TLSH T1D845C00273C1C022FF9BA1334B5AF6515BBC6A260127E61F13981DB9BE705B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z1DOCUMENTINV.exe
Verdict:
No threats detected
Analysis date:
2024-08-21 11:46:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fd430992-e2ec-4ff6-981c-2e339c3495db

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Trojan.Win32.Strab.259891.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c5d37de7ff3f5a063bb27c
Tags:
Shellcodecrypter
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66c5d382aa12eb10615efe56/reports/8bb195c1-fa00-4efb-94bc-5a44d13514af/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8231e8e3-c474-4077-b806-6faa8b0cf571
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1496560
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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)
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1496560 Sample: z1DOCUMENTINV.exe Startdate: 21/08/2024 Architecture: WINDOWS Score: 100 28 www.zimply.xyz 2->28 30 www.promo-electro.shop 2->30 32 16 other IPs or domains 2->32 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 50 4 other signatures 2->50 10 z1DOCUMENTINV.exe 4 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 28->48 process4 signatures5 62 Binary is likely a compiled AutoIt script file 10->62 64 Found API chain indicative of sandbox detection 10->64 66 Writes to foreign memory regions 10->66 68 2 other signatures 10->68 13 svchost.exe 10->13         started        process6 signatures7 70 Maps a DLL or memory area into another process 13->70 16 xlfEnrDUWkCiY.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 RMActivate_ssp_isv.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 xlfEnrDUWkCiY.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.zimply.xyz 66.29.149.180, 49727, 49728, 49729 ADVANTAGECOMUS United States 22->34 36 www.erosen-de.website 91.222.136.87, 49747, 49748, 49749 UKRAINE-ASUA Ukraine 22->36 38 8 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-08-20 00:31:25 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dvmihthqwspb4whp6no2zxoetu2m3cttirgmnfey7s6ktm454t2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d045677fbab19a80b17225c90ecca8fb973f67db71e7f86df8af5c25e0ac7a6
Formbook
19d32b052f1bd0acea48d155c946166c6ed7f426d1bc2ed373b880a28e0e4fd7
Formbook
1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
Formbook
2dea6029205d48a89ccf2d373732a907328c38ea42d94244341d8c7b7b145a0b
Formbook
55d1417ff4ce962cc1b20755fe5383135f69b1d5e7aebfa50b025af27cb7a5ce
Formbook
8b7381ea399084b6999397672ad8557e74ceb6f735566143f2ea344be4d83ea5
Formbook
a42b86a6e286e1f86fdfd5f60d42b7deac0eb1af0fb680950672ac1002ff1b97
Formbook
c66ec112e6247a7dd5171f17a0559695d0adc051b285ed2df42fe738c83efe94
Formbook
e32676eddc6b5971701a8fb044715f8becc13e0285d23dea5f5f005c4ccac2a4
Formbook
+ 2'850 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240821-nxaq8azfql/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d1a41d55-5909-4e07-bfc0-96529b23c9d1
Unpacked files
SH256 hash:
a82cdd53be224fda724f116e50a7173efbfe60c00c8bb3892a2f5913432edea9
MD5 hash:
f8e121f952b0768e164a4bdf58365716
SHA1 hash:
35f89d73a409dadba9498397a0114c2dc1cd4394
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/d1fd5c0a-5c27-4fb7-91c2-84c3a5021064/
Parent samples :
1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
56c4831e979ad494b4b6848f793917042d57c38a596032b25f6012a5c23f5e23
d28abef1785c790448448e450d61c686d8778602f789830e41a92694b4439c19
SH256 hash:
e1b4c12eaec80b6baca1c6ea1be456edfbbeda64110f34cee2adeea3531c57de
MD5 hash:
da6d064913186f539f6befbd46060e5b
SHA1 hash:
1f557e442fb40d238c55209879424f38a5f4ca90
Link:
https://www.unpac.me/results/d1fd5c0a-5c27-4fb7-91c2-84c3a5021064/
SH256 hash:
bfbf5155f2f6b6ff5975b72564aa32e822f487f7458579577049275136abb5d9
MD5 hash:
6158dc4b31ad5b5256a760cb2512d7ab
SHA1 hash:
36b08b7a5dc7e657dc77a8213685127246526f89
Link:
https://www.unpac.me/results/d1fd5c0a-5c27-4fb7-91c2-84c3a5021064/
SH256 hash:
1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4
MD5 hash:
d8fa08c2e34753e1eefceb020f92cb09
SHA1 hash:
4a6181d508ce4e055348e51ec43cff1c512abeb6
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/d1fd5c0a-5c27-4fb7-91c2-84c3a5021064/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d5883ccf0b4/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/1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Malspam

Formbook

Executable exe 1d5883ccf0b49e1e58eff35dacddc49d34cd8a73444cc69498fcbca9b39de4f4

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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