MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977
SHA3-384 hash: a889504324c840c6e8bf6bda522bfdc0045afe895b6fdadbf9cea54392b461c5a17611bd040cc5fcb7fcc6f0ea34160e
SHA1 hash: 7f3f015ec3be9608a23c619b8867b748b43be1d1
MD5 hash: eb46f8657d0110b96f831adf125dfc1d
humanhash: comet-hawaii-yankee-white
File name:DHL Arrival Parcel.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:784'384 bytes
First seen:2021-09-09 13:17:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:FLJO3+VUPObK1Cnf2VtYLrlz1+e+QqNxxXFQyMcBeya2+KxwBeAw9+:FyHwlvqNbjCyaneW
Threatray 9'144 similar samples on MalwareBazaar
TLSH T124F438243AEB901DF273BFB51EE474D7AA6FBA633606D45D109103870A23B41DED163A
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Arrival Parcel.exe
Verdict:
Malicious activity
Analysis date:
2021-09-09 13:18:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f1171881-97f0-48e7-a33d-c3ca3b424693

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/186673/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Launching a process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc1c8bc3-f798-43f3-b403-aabc268bcdd2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848110
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 480541 Sample: DHL Arrival Parcel.exe Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 9 DHL Arrival Parcel.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\DHL Arrival Parcel.exe.log, ASCII 9->26 dropped 50 Writes to foreign memory regions 9->50 52 Allocates memory in foreign processes 9->52 54 Injects a PE file into a foreign processes 9->54 13 RegSvcs.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 2 other signatures 13->62 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 www.modulos.online 19->28 30 www.ggoldcollections.com 19->30 32 2 other IPs or domains 19->32 40 System process connects to network (likely due to code injection or exploit) 19->40 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-09 13:17:09 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vl3dqhfnjopcx62mzbsqgpml6t36koxrxyhykeju3fick23jdf3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15b22917f8aedea05d375f54a9a43c993cc2b9feba48e0b7463befd411c2ba95
Formbook
25644ff35da89545c702b633182c4ff1f649dd64c9c8249be9afe7090359d87d
Formbook
404cb392a43ef6eb414b2378e75db13035576cbbfc3c0c43de0cae5f79290287
Formbook
41426800f6abacfe11baaa98f532e48b152971d90958016a943e8e0fb7967b9e
Formbook
49e445c27ad9965ceee27ec81dca4f4abff58d18e9dfab55813cd192ecac8154
Formbook
8f0ccd5f4badc5caaa417896b3a66e97b994f0546d2299757fe601095e6e62bc
Formbook
b1e8b717f08c3a36fad16cee07a422fa3370c52345ef9b360de10ca4855a1d47
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
+ 9'134 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i6sj rat spyware stealer trojan
Link:
https://tria.ge/reports/210909-qjet5agca3/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ggoldcollections.com/i6sj/
Unpacked files
SH256 hash:
4d339511b1a219aec4873bbf9760310c615baa787962a3b8291f857502c17642
MD5 hash:
9fefcd4d2a665a7dcff718230d71ee70
SHA1 hash:
11becb27dc0177f32085bfd0805c658946371f5c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/16b55092-6540-40c2-a2d6-2d4410a97b61/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/16b55092-6540-40c2-a2d6-2d4410a97b61/
SH256 hash:
5b60d6ec0224b1a65d1c1750ebc5eaeb5df15b6cfb0b3a3ac5c8ca553c27b36f
MD5 hash:
4783a3fb3759058449e20c3b6b70e06f
SHA1 hash:
7d668bfa4b10ee63407b6caabe70daddc14a0db8
Link:
https://www.unpac.me/results/16b55092-6540-40c2-a2d6-2d4410a97b61/
SH256 hash:
aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977
MD5 hash:
eb46f8657d0110b96f831adf125dfc1d
SHA1 hash:
7f3f015ec3be9608a23c619b8867b748b43be1d1
Link:
https://www.unpac.me/results/16b55092-6540-40c2-a2d6-2d4410a97b61/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/aaf6381cad4b/report/overview.html
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/aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977

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 aaf6381cad4b9e2bfb4cc865033d8bf4f7e53af1be0f851134d950256b691977

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186673/

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