MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3
SHA3-384 hash: 78671dd34e59d8205379c112ce7049e03d753f64a5092aff3d8719430645bcebd3a9c3c60abdc12949e80f1f81d66274
SHA1 hash: a9a43ff7af4fae570769dd02992c9df9d6895f97
MD5 hash: 2afb1f00ffacc81832cb6980888383cb
humanhash: fish-carpet-yankee-nevada
File name:IMG_1107.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:931'328 bytes
First seen:2021-01-21 16:42:50 UTC
Last seen:2021-01-21 18:54:11 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:Ie50jwcEc6t4YM2YsDZwdbz1LzDmV0fZQK2:z08cEc6t4ADAbRfWK2
Threatray 281 similar samples on MalwareBazaar
TLSH 71156AC1A9CF89EDC0681937C15E759503D8E5A9A530B1AA3F8C6A5AC7E3DC0A1D40FF
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_1107.EXE
Verdict:
Malicious activity
Analysis date:
2021-01-21 16:44:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/53c21f8b-2889-4c9c-b9ee-7694c6a1b532

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/114573/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.45579997.14121.27029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/587474
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342764 Sample: IMG_1107.EXE Startdate: 21/01/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 6 other signatures 2->46 10 IMG_1107.EXE 4 2->10         started        process3 file4 30 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\...\IMG_1107.EXE.log, ASCII 10->32 dropped 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->60 62 Injects a PE file into a foreign processes 10->62 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 2 other signatures 14->70 17 explorer.exe 14->17 injected process8 dnsIp9 34 unitedfootballcamps.com 34.102.136.180, 49730, 49731, 49734 GOOGLEUS United States 17->34 36 thehostingroad.com 68.183.162.131, 49736, 80 DIGITALOCEAN-ASNUS United States 17->36 38 8 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 mstsc.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 10:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7i6dsgipmlgzcflokh7taykrr6c3jt442ffgseen7p2dpubqozq._file
Verdict:
suspicious
Similar samples:
43bdef53f8ff0d262c2086a46c66d76f8c5e2b9df085959c70a5a3c679474767
Formbook
4e599dda2d5d0f3cad7ac5451a39cb1c4934ea0f10fd9163e82711455aaf3efd
Formbook
761e77be2bbf6089f04b1901c44548bd4ff5ac873a74b1ca0e0604bb902eff22
Formbook
7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98
Formbook
8b066067df73a77d2b21f65084a3d87868e11d4ae2ba3e039a7aa819b6245964
Formbook
b18e1e1ca2d4f97f568e87e71ae9f0791821c2c4e2bb3385fa81b5829c1122b1
Formbook
b1c89b167239238aea8a718d40751a1233ab4b9479b19e6feb86ed5a4c9aec20
Formbook
b22aed0458247b059e32aa4ffd4fcaf3ba7c097432fcbcbea9db7482899addbf
Formbook
b303d3f820da914a39a9a859de14c201515377f31f6631c7e0384dbe44fca53c
Formbook
fbc1e4ec22cd7339eb5fbc8d64320bb825f411e3c6ade350705586bfab4e1808
Formbook
+ 271 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210121-p2s5x7geta/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
108d3fa3409a45ceeb1ee0309ea6c6369e9fd2f08daf3225eb5fe9f76af0972e
MD5 hash:
e0688ccabc0c88ebf3bde75ae545fdf4
SHA1 hash:
7b695314193062db288e505950834f35b3ff3336
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
Parent samples :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 hash:
e2b5646e959fcf2f6ed994780262e65c16cecbc9d3421ada3239f26130ebe8d1
MD5 hash:
7a13d5b7628956f87cb4f24b3e66ff5d
SHA1 hash:
5a2a3e4a70a7ef67180b6dea2273c9c3ae162f9c
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
SH256 hash:
77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3
MD5 hash:
2afb1f00ffacc81832cb6980888383cb
SHA1 hash:
a9a43ff7af4fae570769dd02992c9df9d6895f97
Link:
https://www.unpac.me/results/bfdb5023-d1ee-4917-803d-cd934f202001/
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/77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

img 8a15b39af6ab70fbed561712c684d0694b055d52d222f1f006a8ae984cfb6278

Formbook

Executable exe 77d1e1c8c87b166c88ab728ff9830a8c7c2da67ce68a5348846fdfa1be8183b3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8a15b39af6ab70fbed561712c684d0694b055d52d222f1f006a8ae984cfb6278
Cape
Cape
https://www.capesandbox.com/analysis/114573/

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