MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
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SHA256 hash: 74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6
SHA3-384 hash: 08f49cae9791335354ae8b843d1e51b951f976060c6ea1e6ce8b3ee068294f520a50ef07917bacfb9315285c79ae8b11
SHA1 hash: 573b9ac4d15565cb2dedfce45f97df0b11b829d4
MD5 hash: 2063f56610cc9d4d1d4804fdc92f8d26
humanhash: angel-salami-twelve-ceiling
File name:doc _00508.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:321'656 bytes
First seen:2023-09-04 09:28:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya63cbUyCmmOFI7SZQNL88Nwb855sdxAzBvLnA+Ot/O:/YVUCmmOC+ZCEg5zzpnAHO
Threatray 1'860 similar samples on MalwareBazaar
TLSH T1BF6412682294C5A2D0F256314E793BFA9EFDE33105C057474B40AA8DF8B7B92D50ABE1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
doc _00508.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 09:31:53 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/6e8f49d5-249c-41e1-b535-e807432f8d1e

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/446020/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68996639.26798.30430.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lokibot lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64f5a360c95366b9effe836d/reports/c3cadb6f-3a01-4a8a-8c68-891d322cfafd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6
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/c1dbfc6a-77db-4e12-b317-93f8abbd00be
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302777
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302777 Sample: doc__00508.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 11 doc__00508.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\...\ufclwciske.exe, PE32 11->31 dropped 14 ufclwciske.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Detected unpacking (changes PE section rights) 14->65 67 Machine Learning detection for dropped file 14->67 69 2 other signatures 14->69 17 ufclwciske.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 4 1 17->20 injected process9 dnsIp10 33 abilitytoday.news 5.134.9.76, 49780, 80 UKNOC-ASGB United Kingdom 20->33 35 www.provenimpact.net 89.31.143.90, 49773, 80 QSC-AG-IPXDE Germany 20->35 37 12 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-28 09:55:36 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=os57kteezcszudzptfehciuqruykl4cmglywwyz76cpcpjksopla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5f9500dd5c0cdf34717510f7bd408401adb0df6daece9e112ce3d60500f9ad48
Formbook
703f6ba3c612e1c35bc33fdc2201f9bccc1f8a146ce8b1008b47f581e89a77a0
Formbook
7b58d27c182cc3c04d6d5b2c1901f0e8dd8caf1bbe51c8b17f40b8dac185b712
Formbook
8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec
Formbook
8c5606a7010f8a4d5701c1b99fd91af0d1b59bf9bbedb345ba09b449a70fc29f
Formbook
ae1f2c8fd75695601dbe0f3b3fd00922495add9f623a81c0989c0fd17f10776b
Formbook
b2d76e91d736201b7e8fb9780594693cfc3106285a4886e9b40007fdd7e56359
Formbook
b3d799fc625b259d9572ca933476c856f5cd821cde94e5360f1ea1921a6427ec
Formbook
bcbc7292390399fb9dc2b818dcf83aee848ad78b05cb96b6c294f70b579f63b7
Formbook
eed7a348e95b5acd69c7cb10f4e4e44083ec2cd76c148dcd7fc604a625a52e6d
Formbook
+ 1'850 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k13s rat spyware stealer trojan
Link:
https://tria.ge/reports/230904-lfxhjsfe88/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
2e178120c897160ed0be6549dc014a2ab560f614437d63e1c60fa4564b17a5b6
MD5 hash:
f9c581e46b76a6a2527a026c5772ffec
SHA1 hash:
01af38d5986c74e59d85187c00b6cf28455734bb
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/00d1dfc7-0ea2-4d6b-9860-0cec6530d595/
Parent samples :
eed7a348e95b5acd69c7cb10f4e4e44083ec2cd76c148dcd7fc604a625a52e6d
74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6
4cd6dd9de06bd8011fe535066deb5e24c3eec032391a95a4cc1ad0a6a7351d98
690fc14f8b0395e7390646c6832d462bd421bc7caa1caa5f66654b7252a0e102
ec45ebce734d9a8be961529c08e9de4b192ffd26ea3c2fb76aaf2a1b61e01146
725600f8e47bd1294331aa19c3bef6d31f37204afa2a5ba45036bc8307132d5b
SH256 hash:
45ff6ee0df94a3cb333b709f521ca3818bc567bf34bfe7fd4533d3971789d539
MD5 hash:
0cf1c234e21549b221bc4b2c81e28037
SHA1 hash:
06f7b2c8d262c7703ac8bbcc3038a6bbea1a4b67
Link:
https://www.unpac.me/results/00d1dfc7-0ea2-4d6b-9860-0cec6530d595/
SH256 hash:
74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6
MD5 hash:
2063f56610cc9d4d1d4804fdc92f8d26
SHA1 hash:
573b9ac4d15565cb2dedfce45f97df0b11b829d4
Link:
https://www.unpac.me/results/00d1dfc7-0ea2-4d6b-9860-0cec6530d595/
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/74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6

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: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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 74bbf54c84c8a59a0f2f99487122908d30a5f04c32f16b633ff09e27a55273d6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/446020/

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