MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d
SHA3-384 hash: 404d78f2914517a6be9c549ccabc975f4595fa362f8eea284686db5d549b686a65b3aeb846e8166791aa44c33398d62a
SHA1 hash: 2d8f4f340bf642fc0f2565a20ed079cc669e18b3
MD5 hash: 2ca388f576c09252531a51474cdf74ae
humanhash: kentucky-seven-seven-moon
File name:Payment Slip.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:517'120 bytes
First seen:2021-04-08 07:40:28 UTC
Last seen:2021-04-08 09:22:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'612 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:UfJpF+0tTE60JGhTmxdKNu55RIPDQRPo1QPv:UxrFE64+TmfKvPDQpwQH
Threatray 171 similar samples on MalwareBazaar
TLSH 24B49A526D344148FDDE0EB4869A42D31AD2DD432A61916FE7953F02C2327ACFCDA2F9
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ip116.ip-147-135-107.us
Sending IP: 147.135.107.116
From: <ediz.bahar@sunpopcare.com>
Subject: Payment Update
Attachment: Payment_Slip.cab__.rar (contains "Payment Slip.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Slip.exe
Verdict:
No threats detected
Analysis date:
2021-04-08 07:44:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ee9c200-e285-4c8c-83b3-44259b0b2d16

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/133078/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a service
Deleting a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
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
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/669704
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
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 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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383780 Sample: Payment Slip.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 46 www.cirquedusoleilartist.com 2->46 48 cirquedusoleilartist.com 2->48 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 12 other signatures 2->64 11 Payment Slip.exe 4 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\Payment Slip.exe, PE32 11->38 dropped 40 C:\Users\...\Payment Slip.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\...\Payment Slip.exe.log, ASCII 11->42 dropped 44 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 11->44 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Injects a PE file into a foreign processes 11->72 15 Payment Slip.exe 11->15         started        18 AdvancedRun.exe 1 11->18         started        21 AdvancedRun.exe 1 11->21         started        signatures6 process7 dnsIp8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 Queues an APC in another process (thread injection) 15->80 23 explorer.exe 15->23 injected 50 192.168.2.1 unknown unknown 18->50 27 AdvancedRun.exe 18->27         started        29 AdvancedRun.exe 21->29         started        signatures9 process10 dnsIp11 52 redwoodcityswing.com 66.85.47.6, 49741, 80 HOST4GEEKS-LLCUS United States 23->52 54 www.redwoodcityswing.com 23->54 56 2 other IPs or domains 23->56 66 System process connects to network (likely due to code injection or exploit) 23->66 31 cmd.exe 23->31         started        signatures12 process13 signatures14 82 Modifies the context of a thread in another process (thread injection) 31->82 84 Maps a DLL or memory area into another process 31->84 86 Tries to detect virtualization through RDTSC time measurements 31->86 34 cmd.exe 1 31->34         started        process15 process16 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 07:41:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
14 of 48 (29.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5cq7tyc24ag7vh35kgczlmzsolwolkeqzhr5dcqiyz44u6d2u6q._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1434167f6c381546867873364610b20cbe1946ea749f6bdf82ac18453951cc12
Formbook
1a2beaadeb5f9bc79af30c8a9e458bff69d4b481b305451afe68d0f1a9074da1
Formbook
254d7bf9cb577037dd84ee7581f321df81d6c3013dd4a98b4bb7d01262e4455d
Formbook
3afef4ab289c49f347ed065f4d272cec7ea413b5c84fb4c2e6aa9adad2716db6
Formbook
5abccf199b1e503db7c810a9dcbe1310b6a6b78441b091dae6f45c92d3c3add1
Formbook
638c7d6859e792cc15836509bd58bf468b755fee3dcf669d2dcf328dd0029f12
Formbook
9c6abdf1e5ff719e261ea153555b981cd907ba5f79f50943d679d59967eba445
Formbook
9e6fdb6456dfaf737767adb44ebdb84910cec8be91a12c2b7a37c84b5aed6104
Formbook
a0f4dd8f54f51cb4d1243ecf21b2e5d578464ec54ba9b8e98b1afdb17465b4bc
Formbook
bcfcc5a278671fbe1b5f5f27c6d61921add83e57a0c61f80a165455b3fe0875a
Formbook
+ 161 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210408-5fbybchvl6/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Nirsoft
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
c65c8788dc0fc6e300b0126c6ea11895c6edccda66a0ad724053b4bb9c0b423a
MD5 hash:
28510a0f9d0af28d6dea10f55e0d5a44
SHA1 hash:
4c0960348c36f92fb52157f3f4335664a0648918
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1030cf1f-b8b2-4a74-bba3-855c97b152e1/
Parent samples :
002ec09931d23f0e66d86eda11ce72113d3e29a1cd0bd296b83ee567981610d8
0aaa10495fff6567ec8ecb5fa1ea118ad1b1230c77db540c0dd7cb6f1d26f6fb
2e10edfbe7c4a7c9220db55d3c6f921262366908277a5483ff0faf5579e194f4
4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d
890b8392c6add902841f3da3e66d6d82eb571b41c5abbc7df0685935e0d9d730
9dbdef7d88f84edb9e7e45115e8186915f6c37b0fd7b29b5db64689b14f28b9c
SH256 hash:
2a01d70a2a1bffaa83a65cac80085e27663d531d1753d37b1da0828ce454c7e0
MD5 hash:
02b30480acd88b714d813273054a4dd0
SHA1 hash:
f27e7bbd5fd52d380fe58ea7cffb16bf5f09de6f
Link:
https://www.unpac.me/results/1030cf1f-b8b2-4a74-bba3-855c97b152e1/
SH256 hash:
3faf94f3f00c2788267d159cfdf6ac7e2dbeba3b28c9257eece088ae80588dd9
MD5 hash:
cd0baa20238395cddbb5fba1d8a617bc
SHA1 hash:
07996fa5bb9b4275e85ba597e8e15d13e18b2c49
Link:
https://www.unpac.me/results/1030cf1f-b8b2-4a74-bba3-855c97b152e1/
SH256 hash:
823b68e57d829a8ff9b29c67e5271bb8f14db8095ca400b63d63a520fda7d7be
MD5 hash:
c54b42187a64156c486e23852595a97c
SHA1 hash:
f2bfc6baf0fbfa21c20962ed44a2393ffb59ac0a
Link:
https://www.unpac.me/results/1030cf1f-b8b2-4a74-bba3-855c97b152e1/
SH256 hash:
4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d
MD5 hash:
2ca388f576c09252531a51474cdf74ae
SHA1 hash:
2d8f4f340bf642fc0f2565a20ed079cc669e18b3
Link:
https://www.unpac.me/results/1030cf1f-b8b2-4a74-bba3-855c97b152e1/
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/4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d

File information

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

Malspam

Formbook

rar 82a5613447180658b9fa2aa4b4300656bcb2967907ac304ecd161e6f1783149c

Formbook

Executable exe 4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d

(this sample)

  
Dropped by
MD5 2a0690a591fbae9b13a34ef4eaaf5d47
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133078/
  
Dropped by
SHA256 82a5613447180658b9fa2aa4b4300656bcb2967907ac304ecd161e6f1783149c

Comments