MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
SHA3-384 hash: cdfead75da3af5782d04404e2d54a2006c83d7dc7183fe589de6882f98b0bb7a7e1518676e53fbcd1824687768e91fcc
SHA1 hash: 421bee1ffc504c7deff67058746ec1fbb3af8618
MD5 hash: 96bb82c10404d2a6e6a07822257d20b2
humanhash: bluebird-venus-nevada-oxygen
File name:MAERSK ARRIVAL NOTICE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:721'408 bytes
First seen:2021-09-29 09:49:01 UTC
Last seen:2021-09-29 11:22:44 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:RD4VHfQe6ZyWshg+qbZxTZZWunAWv62RlqvVXeTfrQjTVfHb7403NvbTRT16FO2N:RD4VHfQe6ZyWshg+qbZxTZZWunAWvvjl
Threatray 9'746 similar samples on MalwareBazaar
TLSH T17EE48D59F60CE29EFD0903B021297CC425EC1CAD1D7CF927BEA6B5E234AAE7551F0096
Reporter abuse_ch
Tags:exe FormBook Maersk

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MAERSK ARRIVAL NOTICE.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 10:38:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/938ac2c2-0bb2-41bf-8b61-62f4ce80f246

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/193078/
Detection(s):
SecuriteInfo.com.Artemis96BB82C10404.7083.13501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d4e013a-58eb-447d-a800-ad3b639d26fe
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860780
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493211 Sample: MAERSK ARRIVAL NOTICE.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 11 other signatures 2->40 10 MAERSK ARRIVAL NOTICE.exe 3 2->10         started        process3 file4 28 C:\Users\...\MAERSK ARRIVAL NOTICE.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 MAERSK ARRIVAL NOTICE.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.readyneed.net 17->30 32 readyneed.net 34.98.99.30, 49774, 80 GOOGLEUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses ipconfig to lookup or modify the Windows network settings 17->44 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 09:49:08 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxwwlnemwzwcmzczws56gx5ozpdmo432dwe5tx4iifjmfevuw5ra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
Formbook
a99b696e8ac16303843b26c95c982d5be9b9fd657d843937cc586c9a8dc29b83
Formbook
b11a7103f96fb02a8df7ad0e821f0083f48f56cc38df47d8573f39c0d4a19235
Formbook
cb1140dd7751382a2d56c59755a2ff38b239805148af2d108cf4f1399ca0f753
Formbook
d2d6a8c31acdd92eb9a005e2fac8838a382ab0425fc01bc88616bda185ab7b4c
Formbook
dcee55c9896715272cfd344a7a62fe6c5dbe0e61d7d8548beeda46c15bd8e07c
Formbook
e14df53adff2889344d4502133a00a389e06039715c26a7724ed3f046fc683a1
Formbook
+ 9'736 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s0vc rat spyware stealer trojan
Link:
https://tria.ge/reports/210929-ltc13aede9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xn--289an7fmsbe2rud327e.com/s0vc/
Unpacked files
SH256 hash:
0fc57f3a1cd12758c30463da90902ab9e29e411509b4201f4af9fb6254f3b902
MD5 hash:
159436b0b1cd33cdbc96229493d0185a
SHA1 hash:
5150465a4ac5b923d24db7b764a726a7b82c569b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
Parent samples :
55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
SH256 hash:
4b83059c71c50b460e98b555d8e4902d6a97e8b90bae6b211b753b692a4e5582
MD5 hash:
7711dc0eb3435689b8ff0afd84513902
SHA1 hash:
fc682d1b221aeb32590e16e398893a32cf33aa72
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
SH256 hash:
8e913281158dec165f6c22101a50cd30d4b21f02e77786a9f3439819e4775d0d
MD5 hash:
631e2b441879ac99ed32d4c5eda0a7b1
SHA1 hash:
fa9c71341178edfc0907f36f4d970a9ce91fcd4c
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
SH256 hash:
55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
MD5 hash:
96bb82c10404d2a6e6a07822257d20b2
SHA1 hash:
421bee1ffc504c7deff67058746ec1fbb3af8618
Link:
https://www.unpac.me/results/5b6051c0-2da9-49f0-a88c-728bb19f7572/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762

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:pe_imphash
Create hunting rule
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

Executable exe 55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/193078/

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