MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e8c945e4dce2949d4c36405c11ad924f4aa57bcc9dc32a409cef23fbc725710. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 9e8c945e4dce2949d4c36405c11ad924f4aa57bcc9dc32a409cef23fbc725710
SHA3-384 hash: d133ecc6d5fc7725b379696dc22858f6e1b1f1ae3d4171ac2ed18accd43ddd27161479d9fb439831a4c981a008323d7e
SHA1 hash: 151d8fcda7a12674089c36b50bf4160722eea2b0
MD5 hash: 03eb7fa699944ed5920f0bce50716d77
humanhash: eight-friend-early-march
File name:EJTVOz3XVxtEp7D.exe
Download: download sample
Signature Formbook
File size:733'696 bytes
First seen:2022-11-13 03:53:47 UTC
Last seen:2022-11-14 13:48:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Lw8LIXPod2iN639oo3F5/W+lPjkN3A/qrz1IXTmjnoCsO5Tgog0J:LFd1k3io3F93lPj+A4IqjnLTgol
TLSH T1D3F41298A7A69A2CF53F0BBAF054052C5374B843E10FC79B5E8969EA4D433E44A0D7C7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
EJTVOz3XVxtEp7D.exe
Verdict:
Malicious activity
Analysis date:
2022-11-13 03:54:53 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744771 Sample: EJTVOz3XVxtEp7D.exe Startdate: 13/11/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 5 other signatures 2->42 10 EJTVOz3XVxtEp7D.exe 3 2->10         started        process3 file4 30 C:\Users\user\...JTVOz3XVxtEp7D.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 EJTVOz3XVxtEp7D.exe 10->14         started        17 EJTVOz3XVxtEp7D.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.shunxiangjixie.com 23.19.167.199, 49704, 80 LEASEWEB-USA-SFO-12US United States 19->32 34 www.678226.com 146.148.180.212, 49705, 80 HENGTONG-IDC-LLCUS United States 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 23 wscript.exe 19->23         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-09 13:23:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 40 (65.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook cobaltstrike
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gnu6 rat spyware stealer trojan
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
414f0035e00444bb30a4cb2fdb98daf1dc04f5bea8236e476446499d4abfff2c
MD5 hash:
be1d830ba829adbb6769b0171ce4d2c6
SHA1 hash:
a7be4c1c171b324134acaa78e33cce27f89bd234
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
2fceaa45df13aabed17340b836e0ab1a06eabee1c6ab97b3a77e06d092b3538f
MD5 hash:
8302553d8a270b37b918881a67ce6cc7
SHA1 hash:
5e48c78a0a82ef8f59bb5894476f25274d0ba5d2
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
f72184cd6d559ebca5399b6b174c9da6d3b567538fa3cb684cec92c0b9842059
MD5 hash:
977bc4eb967549eb03c11f07c69500f3
SHA1 hash:
2c5c0006d392fcff4ca402d40652f88c10b26f7a
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
9e8c945e4dce2949d4c36405c11ad924f4aa57bcc9dc32a409cef23fbc725710
MD5 hash:
03eb7fa699944ed5920f0bce50716d77
SHA1 hash:
151d8fcda7a12674089c36b50bf4160722eea2b0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 9e8c945e4dce2949d4c36405c11ad924f4aa57bcc9dc32a409cef23fbc725710

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments