MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db
SHA3-384 hash: cc516a268a15a540b9a5b223245d4a2369eb0259126431cd3dcf330378b967caae19857ef09831cddf4d5887da86ca1b
SHA1 hash: 1bd4af46fd12de7cc7b949a0ddd238b4b247e3df
MD5 hash: d05875c207283bd51f30e7976fdb5382
humanhash: uncle-high-mississippi-october
File name:docswiftusd.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:594'944 bytes
First seen:2023-09-28 07:36:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+ttzX+Uw0SuNKR0f8gr2q3CU2JElF0mn8P/sGIXzRkRL1ibJSy2kmu8:+ttzlSuNKR0f8gr2q3CLu7hnqzIXCR0M
Threatray 579 similar samples on MalwareBazaar
TLSH T173C4AE2535EA1646F13AABB303B7FD44C7FEF6E2A73BF51E689601C242E1D40DA11921
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) (4505/5/1)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
docswiftusd.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 08:37:45 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/2812ddb4-8fe6-4335-94bd-10ae18f4aedf

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/451732/
Detection(s):
Sanesecurity.Rogue.0hr.20230927-2338.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/65152d1f33582f234e057b86/reports/d3e77210-149e-4529-9f09-bac9950c108c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/4266bcba-db93-4c8b-947b-379930127016
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315690
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
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 domain / URL
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1315690 Sample: docswiftusd.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 34 www.z813my.cfd 2->34 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 11 other signatures 2->44 11 docswiftusd.exe 3 2->11         started        signatures3 process4 signatures5 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->52 54 Tries to detect virtualization through RDTSC time measurements 11->54 56 Injects a PE file into a foreign processes 11->56 14 docswiftusd.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 5 1 14->17 injected process8 dnsIp9 28 www.kentuckywalkabout.com 74.220.199.6, 49798, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 hawskio26.click 172.96.186.176, 49826, 80 SINGLEHOP-LLCUS Canada 17->30 32 9 other IPs or domains 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 explorer.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-09-27 23:25:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqoiznya2w7blqygiqjslubzancpqrwce3lsazd5t6gy4n7uldnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e9c6feb801d3596d0090cb133a916998b321902a9088cd6b72fe0c9013a5ee9
Formbook
2fdb6415ee1ac0fde68933b412b35ba69b7d506750d5eab8924b244adfaaf82e
Formbook
3164f706acbe68f271528451bc6a469956d490a839d00a1194438d9e3c187c37
Formbook
41344e5c95b80aaec71e1399c38731319a4151c0408f5709c2f973b430418a50
Formbook
7570348e9f9c0cbc989a61d195fd847499d64f8c74404f27a5eafe94274bd4d5
Formbook
7a41ce40c35cb716b149ae68e2fff7e91f8dbb3af2f265c70ba08ce4615853d9
Formbook
880b7f96797851986e0dfb579afb707a7529f1adf9cce67efb7534d4003b8aa7
Formbook
90f8a6e23c16788ef3a7adee0b9b9a03cede0905367d71a8be46d3dc24b7b759
Formbook
a1fc12e0b11dc727c1e4f58da908d512b2ea1fb69cc317e024390440807d62eb
Formbook
cc1e18df25ea2f4e3a97b78ceb434ba61318eae9ee868d62bb1b3b8e9dbf2c7c
Formbook
+ 569 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Link:
https://tria.ge/reports/230928-jfs41shb5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
57d06b57605109335f41e7529a275a14155c39bd74c54049dfcdfa8a5756c09a
MD5 hash:
612b19e1ed04b4a8f442939324963a63
SHA1 hash:
5f12391109b022d1017312892ff95a7b751afa37
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/e69e9f57-2685-4330-8498-76047c51e174/
Parent samples :
cc1e18df25ea2f4e3a97b78ceb434ba61318eae9ee868d62bb1b3b8e9dbf2c7c
61894dd6d947ab1237c08e4f020e6462fdc7a96903c7cf27523d4e21304c1612
44b4eef8a260669a21c64f95af4c5ad884b77fc118be9ade37dad2b908a37bee
c4079f3f904aaaeda007ba7ce93f24d8a47eb749be233eaf87766e12fcada032
1a40316f6c5b2edf199b2ea9d5b00cc4ae5547a29b6aa08caadd5ed53a007521
276026d460a163a82f31f1d1b1283b13f37170ab543357585952c311606d6a7f
3075ce1d8754fd33aba3041411c6f1465abdb5c49495b18511c656589db79ba9
7a123e291c6c3bca48da92da78abd1157469dd5885f7af234e9114bcc5c8f061
ce4adf5f77ad3bf554ee6727abfe3c82e49ac5097e4e8d50ba2faba0d05b9c1d
a318197c6b7d13969ec28187327e1005ac7d39f969ef27b81f7967870e896378
5e356ba0663601a704ff745bf4e38b9a8ee7ececcd5443da641d46c30a04de07
5f4316e6d654f612b1aa557b15eae6502979697bcd4cdc101b49c2297a6dca14
91407535cc5852ecae7889b9f034920694c733c9e47f89d08a470e32b9d31e13
091fe3a36df94f559c878564de16e72c8ad5368ff0f1d89fec4b493725e96bbe
21696a3d60cb627bb86b4e08f32f1ae08e348ff3b4e99ad15c85febb1caca754
99160f7ca07e18bc3a131520825ab4ce8d2f4c57b63bffc89d8e18d5a7fa25ce
ae5f1fa9855fd6e4511a674f0a0465df7960a757409a0d176f50b10fd14925ad
02971b038e3224fb89a5aa824cd4388ab3108e86571312d127e32b6a59b1b3ec
ce56ba6e7d6693cf8b2110b6ce1789f9a38669af8e17c30ff83e9fec9372c372
bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db
3776d991080dd8cdf41d7b64315d1bccf2c09ed001058b9a28042d760f888163
SH256 hash:
bb9475e8d15e52fe132122b96a5c39da336446ed3d7947aaa66d213a6d927577
MD5 hash:
f8fd10f91e474a471833bea573403719
SHA1 hash:
adcf694ceb7baeab33ab9c089c0dc6c1a1973595
Link:
https://www.unpac.me/results/e69e9f57-2685-4330-8498-76047c51e174/
SH256 hash:
c0ac098f9356627e9ebfa01c9fb6609dff473a809a16fa793bd0671cec4753fd
MD5 hash:
dcd11f1fa3e3adbf2fbed3c1d0f75f4c
SHA1 hash:
45a9cebb189a5d4715f3521958d51f3578a027d4
Link:
https://www.unpac.me/results/e69e9f57-2685-4330-8498-76047c51e174/
SH256 hash:
bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db
MD5 hash:
d05875c207283bd51f30e7976fdb5382
SHA1 hash:
1bd4af46fd12de7cc7b949a0ddd238b4b247e3df
Link:
https://www.unpac.me/results/e69e9f57-2685-4330-8498-76047c51e174/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc1c8cb700d5/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/bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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

r00 57314a66ee48ebf0865186de041ed31119c89238553f86d36e9cff7fb60ee8e7

Formbook

Executable exe bc1c8cb700d5be15c306441325d0390344f846c226d720647d9f8d8e37f458db

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 57314a66ee48ebf0865186de041ed31119c89238553f86d36e9cff7fb60ee8e7
Cape
Cape
https://www.capesandbox.com/analysis/451732/
  
Dropped by
MD5 f3501fe932c3619bb91c4c53a72a9675

Comments