MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
SHA3-384 hash: a1ca60eb776b61aced2daec580fdc937b132be3522c4726633deed3f1ebf22b6205a6bc0f2606611e6c5f423d63d4046
SHA1 hash: e7ad4859a4ffa0f6b283feac9fe955cf25d0324c
MD5 hash: c9f53311f8d13bfef363c9b6c6e21b55
humanhash: lactose-football-oven-beryllium
File name:e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
Download: download sample
Signature Formbook
Create hunting rule
File size:994'304 bytes
First seen:2023-02-08 11:49:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:7T8irmdjXHNOrAe/IuaoZwrqhTPVcJmBDCfWNHEjdernoDif/Ggj5gf:9ZwrCPVcJODeWZvrnoWfrj5
TLSH T11425392C5C3693F1E474FA3552A4D4B0BA9F5C9663A7C86899D63EC22F332426DCD01E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
Verdict:
Malicious activity
Analysis date:
2023-02-08 11:52:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1e15d1db-dbfe-4053-ac41-01fd91aa15c0

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/361943/
Detection(s):
SecuriteInfo.com.Heur.MSILRandomKrypt.3.28284.18858.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e38c6b89bd67c10fdd4974/reports/39412dfb-0ad2-4e70-8e2b-d1a5902e7ebe/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
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.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/117c8e9f-3b7b-4d59-bdc8-a2fb8852034d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168732
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 801512 Sample: cAigJYAenC.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 31 www.campaigndock.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->41 43 8 other signatures 2->43 11 cAigJYAenC.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\cAigJYAenC.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 cAigJYAenC.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 33 www.solarsolutions.capetown 41.204.202.9, 49698, 80 xneeloZA South Africa 18->33 35 www.childrensyoga.london 35.227.197.36, 49699, 80 GOOGLEUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 raserver.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-26 01:43:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=47sdl3wlqtndsafgfu3zew5ftnjxgkg5dmrzpu6fyda3glhb4jgq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:jn21 rat spyware stealer trojan
Link:
https://tria.ge/reports/230208-nzkn7saa7t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
fbdaa4858947c1b200111f6e337fa95f9b021090272e05c18649480b6211c4d2
MD5 hash:
2cc8d1e7bf81e8d092807c0b217b9925
SHA1 hash:
e2593bb17056143ac685665797170f54d2491f74
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ba6d8574-2da5-4d3e-854f-aef5f83aa8e9/
Parent samples :
51b75048fd9a1f0f9ad1a76c1009b3db3fd14701e7ce770370fb0f6ffaa0042f
e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
SH256 hash:
41e2e6902da3d8d0a577650e8f0174167a8b6bcf1f2a4aa4704b1592cc31281a
MD5 hash:
4e0b758116bbd815fc4f1d7879b0a616
SHA1 hash:
e937a0e60cf61b7125158892cd90b5fb21de9a8f
Link:
https://www.unpac.me/results/ba6d8574-2da5-4d3e-854f-aef5f83aa8e9/
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/ba6d8574-2da5-4d3e-854f-aef5f83aa8e9/
SH256 hash:
e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d
MD5 hash:
c9f53311f8d13bfef363c9b6c6e21b55
SHA1 hash:
e7ad4859a4ffa0f6b283feac9fe955cf25d0324c
Link:
https://www.unpac.me/results/ba6d8574-2da5-4d3e-854f-aef5f83aa8e9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e7e435eecb84/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e7e435eecb84da3900a62d37925ba59b537328dd1b2397d3c5c0c1b32ce1e24d

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
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Rule name:Skystars_Malware_Imphash
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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/361943/

Comments