MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3
SHA3-384 hash: 0cffa44e86741eedc54d9406abf26a59a5262c824df06dccb7435d8bc675852c7f27ae17f28a30470f78a23ae90f395b
SHA1 hash: cbef3538af37ad321282ff0fa412dc1d7fe7d48e
MD5 hash: c8904b306b2fc74a802c619fe8100407
humanhash: five-virginia-comet-cardinal
File name:Doc24102022.87654567898765.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:843'776 bytes
First seen:2022-10-24 16:02:13 UTC
Last seen:2022-10-24 17:11:44 UTC
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:lYlTCmdWjC7C3ZTmLoIG+GV6FCQuqdUa3WdRjyrIT:lYtdMC7C3ZuoIqV6Mdqde
TLSH T159058D35275E4F07C0DACE38B870C1F01BA65D7BA82E9B96C6C47CF778162A0AA1D157
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Doc24102022.87654567898765.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 16:02:38 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/abaec4d8-c961-4520-87d0-f5534962240e

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/323491/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.29538.27308.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ac0741f-75ec-4c6a-a6a9-6909c6ac5d0a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1097029
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 729671 Sample: Doc24102022.87654567898765.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AntiVM3 2->36 38 5 other signatures 2->38 8 Doc24102022.87654567898765.exe 3 2->8         started        process3 file4 22 C:\...\Doc24102022.87654567898765.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 Doc24102022.87654567898765.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.escraptor.com 154.210.23.25, 49696, 49697, 49698 VPSQUANUS Seychelles 15->24 26 www.a1taxconsultant.com 162.215.226.4, 49693, 49694, 49695 PUBLIC-DOMAIN-REGISTRYUS United States 15->26 28 2 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 cmstp.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3/
Threat name:
Win32.Trojan.Taskun
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Status:
Malicious
First seen:
2022-10-24 10:30:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=onuar7xut2tgnulazgkdwyspbllzypiqyrfyaqvgalmkghjemwrq._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:s5zx rat spyware stealer trojan
Link:
https://tria.ge/reports/221024-thb9dsheg5/
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
e7cccb43dd3b796e66281d2f398c390ce0942ae8214ccc306219a938fd4d5656
MD5 hash:
f40c50b52491bd866e05761d98d141e8
SHA1 hash:
b6ee73fb9683096944f650c35c7143a7c31837ea
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
Parent samples :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 hash:
e43ed5a4e94e1b17fdde319b08cb15120b3d0c05548c1332d4abbf4f282cb389
MD5 hash:
dd88b555de397f749a9e38a3a14d25b4
SHA1 hash:
5280de0af81c992a7114f029d135f157135a27da
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
059815b7ca1c1bf397d43f8d5701e3326b6911a7d4213818e6a48765c92362f8
MD5 hash:
900bc5259b38149847aef7c94abe7b92
SHA1 hash:
d1d0379c2c503db38eee04c3682086b3e88f53a1
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
b2267b6837ea654b7f17c894f32b4543c60a7813a057712683b6fa5e26db3a9e
MD5 hash:
8712c03c35ba20808bff22ffc5218a5d
SHA1 hash:
7195f66ae3729a5856f17cf0c977319d96ee76f5
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
3ba16a92b2b40d38c6e5e30f882a4c60b3838611868d990b7d986eb4018c17cb
MD5 hash:
16d6f358cc62b12dc869da8a59b03eda
SHA1 hash:
5eaf3662fbd4193086df2ba7233e9652542be8a3
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
003ba3acc44aede574bd73700036c069b398216b988464e8e1b61c6a5b02d79b
MD5 hash:
fef53c1c5988ad342bc2ff29312d6c5d
SHA1 hash:
627d4166035757b5e50fd6dabfb1fef6320f4d90
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
SH256 hash:
736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3
MD5 hash:
c8904b306b2fc74a802c619fe8100407
SHA1 hash:
cbef3538af37ad321282ff0fa412dc1d7fe7d48e
Link:
https://www.unpac.me/results/35ca84e6-2c04-4a74-ad96-9031027c9d04/
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/736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3

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
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 736808fef49ea666d160c9943b624f0ad79c3d10c44b8042a602d8a31d2465a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/323491/

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