MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e. 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 7 File information Comments
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SHA256 hash: 29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e
SHA3-384 hash: 645d8d700b8a8e8c7a12a4d687d563f4b8dbd0f9283a1ed158e6cccac21cc4ab2c7e8b72acf555341fdf7c88924ca521
SHA1 hash: 0b960bd178be7b88bc545d169ca6b90939fc24bb
MD5 hash: 5c7d459438f5f309c7e4fc01df8830bd
humanhash: edward-equal-montana-four
File name:shipping docs.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:543'232 bytes
First seen:2022-06-20 04:03:53 UTC
Last seen:2022-06-20 10:57:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'833 x AgentTesla, 19'771 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:8d3G7Xu1dpys6E6zHPnfaalUsTe0IIjHm+82729Gk3:neRysczHz
TLSH T1D4C48D9CB22C74DEC85BC27599A44C64EA10706FA72F511791630E9E9D1CB83DF268F3
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 :
3
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281403/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.26560.14025.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
75%
Tags:
evasive fareit packed
Link:
https://www.filescan.io/uploads/62aff1f04959f64ff2ce9e89/reports/2cd3d8c8-0bf3-46d4-a90c-37aaa780bc52/overview
Result
Verdict:
SUSPICIOUS
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/605509a4-e64b-41f3-9bdc-40e2ad4ae04b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016052
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
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: 648548 Sample: shipping docs.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 8 other signatures 2->61 10 shipping docs.exe 3 2->10         started        process3 file4 43 C:\Users\user\...\shipping docs.exe.log, ASCII 10->43 dropped 79 Injects a PE file into a foreign processes 10->79 14 shipping docs.exe 10->14         started        signatures5 process6 signatures7 83 Modifies the context of a thread in another process (thread injection) 14->83 85 Maps a DLL or memory area into another process 14->85 87 Sample uses process hollowing technique 14->87 89 Queues an APC in another process (thread injection) 14->89 17 explorer.exe 1 6 14->17 injected process8 dnsIp9 45 www.3ddogiq.com 17->45 47 www.amz5e.xyz 17->47 49 20 other IPs or domains 17->49 41 C:\Users\user\AppData\Local\...\updaterrc.exe, PE32 17->41 dropped 63 System process connects to network (likely due to code injection or exploit) 17->63 65 Benign windows process drops PE files 17->65 67 Performs DNS queries to domains with low reputation 17->67 22 rundll32.exe 1 12 17->22         started        26 updaterrc.exe 3 17->26         started        file10 signatures11 process12 dnsIp13 51 zllxjj.com 22->51 53 www.zllxjj.com 22->53 69 System process connects to network (likely due to code injection or exploit) 22->69 71 Tries to steal Mail credentials (via file / registry access) 22->71 73 Tries to harvest and steal browser information (history, passwords, etc) 22->73 77 3 other signatures 22->77 28 cmd.exe 2 22->28         started        31 cmd.exe 1 22->31         started        75 Injects a PE file into a foreign processes 26->75 33 updaterrc.exe 26->33         started        35 updaterrc.exe 26->35         started        signatures14 process15 signatures16 81 Tries to harvest and steal browser information (history, passwords, etc) 28->81 37 conhost.exe 28->37         started        39 conhost.exe 31->39         started        process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 00:45:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgz6djub5uy3vlvmu6i6il2i656oenesbklyfnot7dbpxt2okgha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:gfv7 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-emxnkagcc9/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
e8e0a476087352226ea102e89078067fb2d760238bc2121bf1098fdefd188604
MD5 hash:
3733f77949893a2f8206a945e2902629
SHA1 hash:
2cc712b01c2ba920a84dd4d758cf732b65d4a3e0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/198017b2-b375-4ffb-9f9e-ca271c1644e1/
Parent samples :
29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e
a12973c256e6565a0635fb0febaed5ed56f613d23b864df409f32f832a3af19f
892386e40db2d9d22e9fe3ddd47f369e6f68757c68aa98ada9c74a346046eac9
bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
1752302de3862bd15be2d539255fed5e71a4180cd987b206542ef8d5f5c6af13
30aa876ee488a9eaa2410ca4127f4f2573dfbc52d0900408ed30fa93906cd355
264f8e9cf8019def3b46a5e9c11cfbaea0ca6c25e73aeb8b2cd1daed15757acc
49c68da125046643fa9fd653710e46de6ca89b8902b4a06bfd99195bd09d501f
55515fcdf9db3576553c72878e05ce6ac03bdf8fd7d8ce1521803d2829c18b75
14a0af77c8fab65395925348cb39c058dd0e619e33055f6a3f895c295aaa6783
58babe3f9ef385e4ba8b10355a7ed59a6fe81d4742d86d60362b77b57c4fe8fc
0bfa565bad2de6637585f1f14d5469f78b98f6ad3876b59f9963706a30ddfb47
2fb3a163ab611211807753e6158f34df724fd3b7797502d277dc617ec9aac45b
584cef5ff03652f91f00be5efce4897792b6980b878a95e73f9d7a2414331a2a
123bbe894d4ce404e2336e991dfc0c13536590b510c9cc7abe0a542dfc94ce2e
0a76b25a4316ca2df59f110b3b967e290fd6459132a0e1b1458fb31706927030
519272a5abfcb2fa13ad4545e0e3b87265c849e45300179ceb0b666c34e84245
2050bb37c43505f12110e7949437a1a8464b19b3e41d22f1a68a8ed0166d4b35
SH256 hash:
ec1aadedc1ee8fd1d13beac49e0ba912643fdf5adfdc6e9e0f29969910e4be34
MD5 hash:
0204a547c98486cb4f4ff62d4d7b3fa3
SHA1 hash:
9fb735f59fae42fdb07f31de650fb583cb04523e
Link:
https://www.unpac.me/results/198017b2-b375-4ffb-9f9e-ca271c1644e1/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/198017b2-b375-4ffb-9f9e-ca271c1644e1/
SH256 hash:
29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e
MD5 hash:
5c7d459438f5f309c7e4fc01df8830bd
SHA1 hash:
0b960bd178be7b88bc545d169ca6b90939fc24bb
Link:
https://www.unpac.me/results/198017b2-b375-4ffb-9f9e-ca271c1644e1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29b3e1a681ed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 29b3e1a681ed31baaeaca791e42f48f77ce234920a9782b5d3f8c2fbcf4e518e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281403/

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