MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9
SHA3-384 hash: bc82593cb823c76c887fc49a63d95f5254a3050b2ba2426ea0486a396af2fb2f5edfcde253c4d41787440c15ad909fe7
SHA1 hash: dcbe4c6ddab4adb388b3a5c1ccb669acbfebc794
MD5 hash: 5cf3b7304a532ede94768083a194e49e
humanhash: idaho-table-lima-florida
File name:952625627728.DOC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:503'296 bytes
First seen:2022-05-30 07:04:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:kpobSSZI9T3RVIJ89ZJBXL548wLptoUyMcR6:HeSZI9bogFuLptoUyp8
TLSH T125B4010B1BD6A0E9C1BC9D32F7F824E540F6975F2910639BC08553E8FB1A757B6028A3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
952625627728.DOC.exe
Verdict:
Malicious activity
Analysis date:
2022-05-30 07:05:21 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/cdd78f47-4f86-435f-b1b8-896f0747ee0e

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/275364/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27042.18942.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
Moving of the original file
Unauthorized injection to a recently created process
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62946cb7afb61a38666703d2/reports/035f9554-6a20-4026-815d-a568ebc65514/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/d6b4c7e6-6e97-432e-8455-c1b4615d9bb6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003501
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 635998 Sample: 952625627728.DOC.exe Startdate: 30/05/2022 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 10 952625627728.DOC.exe 4 2->10         started        process3 file4 49 C:\Users\user\...\952625627728.DOC.exe.log, ASCII 10->49 dropped 69 Moves itself to temp directory 10->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->71 14 java.exe 5 10->14         started        18 cmd.exe 1 10->18         started        signatures5 process6 file7 51 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 14->51 dropped 73 Exploit detected, runtime environment starts unknown processes 14->73 75 Exploit detected, runtime environment dropped PE file 14->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->77 20 cmd.exe 3 14->20         started        79 Uses ping.exe to sleep 18->79 81 Drops PE files to the startup folder 18->81 83 Uses ping.exe to check the status of other devices and networks 18->83 24 reg.exe 1 1 18->24         started        26 PING.EXE 1 18->26         started        29 conhost.exe 18->29         started        signatures8 process9 dnsIp10 45 C:\Users\user\AppData\Roaming\...\java.exe, PE32 20->45 dropped 47 C:\Users\user\...\java.exe:Zone.Identifier, ASCII 20->47 dropped 65 Uses ping.exe to sleep 20->65 31 java.exe 2 20->31         started        34 PING.EXE 1 20->34         started        37 conhost.exe 20->37         started        39 PING.EXE 1 20->39         started        67 Creates an undocumented autostart registry key 24->67 55 127.0.0.1 unknown unknown 26->55 file11 signatures12 process13 dnsIp14 85 Writes to foreign memory regions 31->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 31->87 89 Injects a PE file into a foreign processes 31->89 41 AddInProcess32.exe 31->41         started        53 192.168.2.1 unknown unknown 34->53 signatures15 process16 process17 43 WerFault.exe 23 9 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-05-22 20:41:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sroi5fr4kybns6u76tpgfi3uuiyuttjsyutrqbctlyahi3mknw4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uj3c loader persistence rat
Link:
https://tria.ge/reports/220530-hwg61sffe4/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Executes dropped EXE
Xloader Payload
Modifies WinLogon for persistence
Xloader
Unpacked files
SH256 hash:
08ffa2b4e6e3f4b4b40825417359ce61c915ff986ed57109bec9d9456059b753
MD5 hash:
ab1c1507616700a6a652d49fa35e4ad3
SHA1 hash:
b39566a2c4d09cc0c3cf59c65cbadd5de01007d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8f40111a-5d58-4cd3-b034-cfd814a91dbe/
Parent samples :
ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b
0dc7b855d0ec804e93846a45b3d6b8b58b35e5314149bc57fae5e0623f79fe91
945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/8f40111a-5d58-4cd3-b034-cfd814a91dbe/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/8f40111a-5d58-4cd3-b034-cfd814a91dbe/
SH256 hash:
c0be9b5cd44890ba4b8ef2d96cde84541bbcde7247a90e30b0e42fa2964853a5
MD5 hash:
111f57c483d27d8fc75ba32c4b4735c4
SHA1 hash:
99f826371014d4e8bc7b1d68043c2a5c08993db6
Link:
https://www.unpac.me/results/8f40111a-5d58-4cd3-b034-cfd814a91dbe/
SH256 hash:
945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9
MD5 hash:
5cf3b7304a532ede94768083a194e49e
SHA1 hash:
dcbe4c6ddab4adb388b3a5c1ccb669acbfebc794
Link:
https://www.unpac.me/results/8f40111a-5d58-4cd3-b034-cfd814a91dbe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9

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: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 945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275364/

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