MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a26563b8bb82e71f54068820dd88b7de84199111b66e33af94c09e2344d9db74. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a26563b8bb82e71f54068820dd88b7de84199111b66e33af94c09e2344d9db74
SHA3-384 hash: 2d719fe78b7919169739014966e81bc02364d53f3864e5f66b1d6c4c749db78f872bee2146717ff2cbd8c751e20ffad3
SHA1 hash: 3bd50cdb398de8cd76729d340100734a7660f731
MD5 hash: 79540ebde70af8572665959a6bd06332
humanhash: texas-single-happy-tennessee
File name:AWB-kp035Maersk.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:604'160 bytes
First seen:2021-10-11 18:36:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:+hvwUOk/dNW+wCzc6kgzLKhMsVBNAPd86Uy+0:GYUOkfWbKqhMsVBNgoy+
Threatray 10'283 similar samples on MalwareBazaar
TLSH T16ED4AF2039FE416AF272AF762EE1B659AF5A7FB22613900D1151734B0632E81CDF153B
Reporter abuse_ch
Tags:exe FormBook Maersk

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB-kp035Maersk.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 19:38:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/94d2729e-f8fd-4ac3-b24c-0599c531ea1c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/196708/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616484151c2d58ba74021c27/reports/9e3a030d-397c-47a0-9f4b-95adfbde86f6/overview
Result
Verdict:
UNKNOWN
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/7c861d57-b9d2-4e7e-992f-5871ea66dd63
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867793
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500326 Sample: AWB-kp035Maersk.exe Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 8 other signatures 2->48 9 AWB-kp035Maersk.exe 7 2->9         started        process3 file4 32 C:\Users\user\AppData\Roaming\qNWANou.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmp5CEC.tmp, XML 9->34 dropped 36 C:\Users\user\...\AWB-kp035Maersk.exe.log, ASCII 9->36 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 9->62 64 Tries to detect virtualization through RDTSC time measurements 9->64 66 Injects a PE file into a foreign processes 9->66 13 AWB-kp035Maersk.exe 9->13         started        16 schtasks.exe 1 9->16         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 13->68 70 Maps a DLL or memory area into another process 13->70 72 Sample uses process hollowing technique 13->72 74 Queues an APC in another process (thread injection) 13->74 18 WWAHost.exe 13->18         started        21 explorer.exe 13->21 injected 24 conhost.exe 16->24         started        process8 dnsIp9 50 Self deletion via cmd delete 18->50 52 Modifies the context of a thread in another process (thread injection) 18->52 54 Maps a DLL or memory area into another process 18->54 56 Tries to detect virtualization through RDTSC time measurements 18->56 26 cmd.exe 1 18->26         started        38 www.lightswaranwgt76.xyz 150.95.255.38, 49796, 80 INTERQGMOInternetIncJP Japan 21->38 40 www.draketeamloans.com 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 60 Performs DNS queries to domains with low reputation 21->60 28 autoconv.exe 21->28         started        signatures10 process11 process12 30 conhost.exe 26->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a26563b8bb82e71f54068820dd88b7de84199111b66e33af94c09e2344d9db74/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 11:02:09 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujswhof3qltr6vagraqn3cfx32cbteirwzxdhl4uycpcgrgz3n2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
76cd5f994be53f3f24e2b2018263b9ab582e84870ee8d24f38c6d11adae3688c
Formbook
a2d7a6453efd6b8c31af2e225ae7f93064d44fe328b5bb2e530d820e5e6ca5f8
Formbook
aea2232a122d01c07c5d7e6a10ceef2d2ffa58c10812f95f965f17aa78e82efa
Formbook
afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
daac858e9ca5b0c8044385c2d94cbef17c41b0bd5c569ad7e03f0a51b4caab7a
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
f136f4f9c59c4ff2582063222c6df106a3d1e3d7d9220ff73e3cb2ec487fe1db
Formbook
+ 10'273 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cl8k rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211011-w8xdcshggq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.lightiroanwgt76.xyz/cl8k/
Unpacked files
SH256 hash:
be039f8f3165dc7093f967bc1c53e9a512c46c65135ea206e38bc7e3ab42f8bc
MD5 hash:
cb98c1e6f115999e1fd2cd2466534d19
SHA1 hash:
ba74ee7b3b9f6fa8c6174d14193a7fc3ec1543c0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9756a91c-86ea-4db9-bc30-78c479b7c772/
SH256 hash:
bc368d9c89062e3c2b577b30e32d28a34bb7cbf5d79176acfce81a49c3808406
MD5 hash:
efaf0e6f1f756959cf681e87ad59ecf0
SHA1 hash:
e003ae97f2703c327c2c5f756cd1aba5ce8d996c
Link:
https://www.unpac.me/results/9756a91c-86ea-4db9-bc30-78c479b7c772/
SH256 hash:
ffb618d5e464b653c7da76ab611b8a37226b8cf528d9f3a28dc2a0abb763adc7
MD5 hash:
fef6bfcbe88c12f8d2cc569cf45af5b5
SHA1 hash:
954717cebe9d489a616e46c21c0579ee35b19ed6
Link:
https://www.unpac.me/results/9756a91c-86ea-4db9-bc30-78c479b7c772/
SH256 hash:
a26563b8bb82e71f54068820dd88b7de84199111b66e33af94c09e2344d9db74
MD5 hash:
79540ebde70af8572665959a6bd06332
SHA1 hash:
3bd50cdb398de8cd76729d340100734a7660f731
Link:
https://www.unpac.me/results/9756a91c-86ea-4db9-bc30-78c479b7c772/
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/a26563b8bb82e71f54068820dd88b7de84199111b66e33af94c09e2344d9db74

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Cape
Cape
https://www.capesandbox.com/analysis/196708/

Comments