MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65. 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: 20


Intelligence 20 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
SHA3-384 hash: 2204c3f0e6693b12277ddef5345fd3b7eec2180f8d3b3aa7e2d256f11798b1e0c6c2b9dd9dd8eeb33a279aae724458d9
SHA1 hash: f35ea88bdd6cc369a640263690855116adeb3f01
MD5 hash: 3ce1a7e44b4edafafc9e2ac8b3ab3295
humanhash: paris-cat-purple-spaghetti
File name:REVISED DOCUMENT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:702'976 bytes
First seen:2025-02-04 02:58:13 UTC
Last seen:2025-02-04 14:02:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:hRNk5ea1sMXs8c/jH2MgIQFdSlabXulG1rdtf+nyzu3zE/FC/h2pHcQ/Q:h45D5cb2MEFdSDGRDpzszEw
Threatray 2'069 similar samples on MalwareBazaar
TLSH T158E4124DEB69D226C3DD2F3BD413940C92A788969111F3AE18CC69EC5C21EC8D49FB97
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
526
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
REVISED DOCUMENT.exe
Verdict:
Malicious activity
Analysis date:
2025-02-04 03:01:14 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/4c6615b0-fadc-4a64-be1b-d72db3989e85

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Genie.8DN.251.21002.15449.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a1830251193558eb1950bc
Tags:
kryptik virus 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
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a1824b3a4118f0a7618822/reports/4f4e7b5c-d82d-40c5-9150-460ff31eb498/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
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/81b52016-75d1-4a28-b469-abe98d6c1aea
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1606167
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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 detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1606167 Sample: REVISED DOCUMENT.exe Startdate: 04/02/2025 Architecture: WINDOWS Score: 100 61 www.ome-renovation-86342.bond 2->61 63 www.olourclubbet.shop 2->63 65 9 other IPs or domains 2->65 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 16 other signatures 2->85 11 REVISED DOCUMENT.exe 7 2->11         started        15 TQjwUwdCH.exe 5 2->15         started        signatures3 process4 file5 53 C:\Users\user\AppData\Roaming\TQjwUwdCH.exe, PE32 11->53 dropped 55 C:\Users\...\TQjwUwdCH.exe:Zone.Identifier, ASCII 11->55 dropped 57 C:\Users\user\AppData\Local\...\tmp164D.tmp, XML 11->57 dropped 59 C:\Users\user\...\REVISED DOCUMENT.exe.log, ASCII 11->59 dropped 95 Writes to foreign memory regions 11->95 97 Allocates memory in foreign processes 11->97 99 Adds a directory exclusion to Windows Defender 11->99 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        101 Multi AV Scanner detection for dropped file 15->101 103 Machine Learning detection for dropped file 15->103 105 Injects a PE file into a foreign processes 15->105 26 RegSvcs.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 77 2 other signatures 17->77 30 explorer.exe 57 1 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 32 conhost.exe 20->32         started        34 WmiPrvSE.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        75 Found direct / indirect Syscall (likely to bypass EDR) 26->75 40 conhost.exe 28->40         started        process9 process10 42 cmstp.exe 30->42         started        45 explorer.exe 30->45         started        47 conhost.exe 38->47         started        signatures11 87 Modifies the context of a thread in another process (thread injection) 42->87 89 Maps a DLL or memory area into another process 42->89 91 Tries to detect virtualization through RDTSC time measurements 42->91 93 Switches to a custom stack to bypass stack traces 42->93 49 cmd.exe 42->49         started        process12 process13 51 conhost.exe 49->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65/
Threat name:
Win32.Trojan.Genie
Create hunting rule
Status:
Malicious
First seen:
2025-02-04 02:09:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vtopw5drf4lruzjh5ikbclxljpkifn5oot2ofgiksrwiztvivvsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
205e98d299b32e102e3d6fadb9659f713601f8f713be02cec1ec0f437d3be075
Formbook
28a65019d2736dd82fdb229c9e6f5ff053c25e095d118ae03359238f44ba22d7
Formbook
4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7
Formbook
637ec5277677d323a35dce85ac7fb3440ec70ca14fbaa051a2df46652a4711d4
Formbook
6f706398207b1fd3a00de5f859dc840cf8e100175fdabe260ebb96db5980f03c
Formbook
error
Formbook
+ 2'059 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a03d discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250204-dgrppasngz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/deefd9d6-180a-490c-a40a-d4c061184844
Unpacked files
SH256 hash:
acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
MD5 hash:
3ce1a7e44b4edafafc9e2ac8b3ab3295
SHA1 hash:
f35ea88bdd6cc369a640263690855116adeb3f01
Link:
https://www.unpac.me/results/580b9274-c8b1-45c2-a0f5-2eb5d642a6dd/
SH256 hash:
7e56534991c4eabe98f9301ac5ee1b093cce20e24a49e259d37891bafdd6d0b2
MD5 hash:
d54147858c551c2e82931b417dfefb9b
SHA1 hash:
1b28b043f0dba94661251faf85aabd71eea3e843
Link:
https://www.unpac.me/results/580b9274-c8b1-45c2-a0f5-2eb5d642a6dd/
SH256 hash:
af7285d78472021b5e2e993a9be82cb7bdb44f85f0a0815faebb1a319fe48d5e
MD5 hash:
91109bf0f96c6c66fc21089a6b2c3a29
SHA1 hash:
61312b8cb5637aeb3005962716c5a835d8c580b2
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/580b9274-c8b1-45c2-a0f5-2eb5d642a6dd/
SH256 hash:
4f59ffd1f9e8b2088120692bae2d99ddf906cab5d98435baad7ac4073ca0fe81
MD5 hash:
6782ca1720c77e90ba84e9ab5ba4f07d
SHA1 hash:
79e819dde4a4b29ca3a221f89cf73f1fd818f1de
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/580b9274-c8b1-45c2-a0f5-2eb5d642a6dd/
Parent samples :
b225f4ef997754cc29f699ca3a8aa9aa1d39661d7c3dbc6f36a7c7a5bca235ab
92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb
acc906177a946e3e7fca9b9d962336e9e4d828297eb86761f610284f57fbf394
7a531101bc8522d52f45933945d6b8728ad7b7f3c9aaefd2d18742f8ec4000cb
bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b
31e7559f21054aca8a1cd2287e322f22e03ac6cbc84e1265c8ac1a3367403989
4d49933551f01cc730f63fd290ecb61f4bfa880a0660f0ec7363e148ef85645a
8bd60c5add862eb634b15fad4020a9afcf8ed6f523485665c80044f90bc8b305
07abbe06a2d17f142846d33bda215df5b05355148c781cb9ff1c8f233f534cbc
f42de693aaae005ec4dcf3514621f8573b422f3a3ad1bb1af370acc7c5cba233
4ef83ac7a3bdee1a742de8de749c5afa4747acc20f8937301dcba291d1ef83d7
d0d2ac5af6ecfdf27de6c45ab86d521294350c5a64942cd15bb5d9a1ae23b0f1
205e98d299b32e102e3d6fadb9659f713601f8f713be02cec1ec0f437d3be075
6f706398207b1fd3a00de5f859dc840cf8e100175fdabe260ebb96db5980f03c
acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
6be92b0d491f6d5d7f65e01a3336aac1155f091ad6def08b541e07b68eda3bb4
d672848afdf3f3a32d6de454a3408acd1d9cc0c338e65461e63330e9d26128ab
05d3f3857ab465a1886005e6d6138c84b8c19447b71d1781e8169e48c371c0a3
fab2b2eddd748ae7fcbc5a1d0c2e0a7f9c75214a114d9450ca41c85ea9e71a09
1e26f69f063b034aff856a4b9bb1680824e61ebf28867a36fa30e2b3e1727526
a779cf3623ccd0238d0b5d3f01dcc911e1538a1c0a656442234b4c3335453607
c991a3ee832bc707306f68c46786afc17de14163f8d3c757516bac9953ad6f3b
582c078327541d1459228aebf38c9471b78e3a2c03cb9c375622209221970709
77295a1c2d8172b2a2eb3f5f20a2880c168dd10f01830227e4f9ae6d4a5c9a19
d37c856c37f289af0a5cf37c5e2c9ab7b115d401d945426faadc6b48234dc2ba
a4c91afb043246fd8ab645f23ada21aca414339c38ceeefddf33cc8414f26f44
94d68efe46fa5e2e5789d0a3063b48cf486e73fbfab3b84f9203372688fd1286
c21657a9253431b91837bc2089fde8e909f780b5736dd44263e54765d95dfb9d
efc8dba0e301b455b4691c60bf363ce60bc0b44921a2018ce2c1a684df8d26b9
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/acdcfb74712f/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/acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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

rar 244e5247d3d0d26cc55d795ece7230447fd68ebfab783d25eac112e519fa764a

Formbook

Executable exe acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 244e5247d3d0d26cc55d795ece7230447fd68ebfab783d25eac112e519fa764a
  
Dropped by
MD5 f3927ced53726760460e2deee4a711c5

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