MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37be898f8c2b0f9dfc4663070ae1ac1fd0f4edc08760d5c40fb18c7353f7f476. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37be898f8c2b0f9dfc4663070ae1ac1fd0f4edc08760d5c40fb18c7353f7f476
SHA3-384 hash: a1931fd0de1b0c9b4ea6f73b08b92b3dec96832406db6789e0c2c8855dc7d107639ed8452bdcdade31e7db824e0e8f11
SHA1 hash: 4b1e2d23d0d473a218adc919dc3066bb947be0fc
MD5 hash: d927ae5e54581f9c4c4142e105211e67
humanhash: robert-massachusetts-zulu-island
File name:TF20279707040104.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:544'256 bytes
First seen:2020-11-05 09:18:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6FJxpZygoV7x0i4AeMpvoeq9zBPRZNkTqndMb94Rd/7ctUU:6FJxpZyPV7x0ikEWPKTqc+RRot
Threatray 2'826 similar samples on MalwareBazaar
TLSH 73C4F1BD0ADC8D9DD73E677CA435116043F0F1027903EF1EEA58A0A82DA77C586D76A2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/83140/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/521141
Signature
Allocates memory in foreign processes
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309668 Sample: TF20279707040104.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 10 TF20279707040104.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\TF20279707040104.exe.log, ASCII 10->28 dropped 52 Writes to foreign memory regions 10->52 54 Allocates memory in foreign processes 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 reem.pro 34.102.136.180, 49749, 80 GOOGLEUS United States 17->30 32 magnoliamamas.com 184.168.131.241, 49755, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->32 34 5 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37be898f8c2b0f9dfc4663070ae1ac1fd0f4edc08760d5c40fb18c7353f7f476/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 00:55:01 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g67itd4mfmhz37cgmmdqvynmd7ipj3oaq5qnlrapwgghgu7x6r3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
61cd0eb067277dda91558901ac1d3b45bf56f4d4fec39270e4975de550477513
Formbook
77707d4b60a7193c8c7e93d9c97dcd89513ef4ce1c8e19aa6780920c09e03c27
Formbook
93a0f97c3198a1ba4fafeb2c5fd7bd44f425cc5c9ad126880128d1ec22cc22ec
Formbook
9b9d8f51a8cf586b0380629f644676e0dce350466b06224523e01db393522339
Formbook
be72c8c90c28b859a4b8af90ba67adab143cd9c97e28d8c1b1ab7d93e01e48a8
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
d4014ac2689b47f11708425cad3d8aa02dd05ee6d6745006156dffbe0a27b4be
Formbook
e232dc56a916d659961271caf129b47c5fa561f71ecff17f6c96801cd7b50820
Formbook
e38e6ac839b8009c1c6d467ed4206f912c39a15af7a1fa7ba4a2a854e441fe50
Formbook
e8383b3c3d533f13eb4b642b48d587cddaf187f0d1719e829f5e4cf5eea24969
Formbook
+ 2'816 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/201105-endagn2rbn/
Behaviour
Gathers network information
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.digitalcashteam.com/glt/
Unpacked files
SH256 hash:
37be898f8c2b0f9dfc4663070ae1ac1fd0f4edc08760d5c40fb18c7353f7f476
MD5 hash:
d927ae5e54581f9c4c4142e105211e67
SHA1 hash:
4b1e2d23d0d473a218adc919dc3066bb947be0fc
Link:
https://www.unpac.me/results/41e99221-38d7-475a-a223-ebc45a8c2eab/
SH256 hash:
916d032f2efc655142ef3e572e27b66eeda73a2a8aa058a8767406ec34673726
MD5 hash:
e1a1b83b87c34e756ef4971d2ef2179d
SHA1 hash:
6795e322b292e58c72f7df96ea3fa0c05ca6d449
Link:
https://www.unpac.me/results/41e99221-38d7-475a-a223-ebc45a8c2eab/
SH256 hash:
c90dd61a010a29a6ee050e16d45d126ee70c8174e417a48d9db3d60e0f81d617
MD5 hash:
c83ed15239bd07bfb7d41599bb906a92
SHA1 hash:
75dedee484e75af8a203532f164f0d61674af628
Link:
https://www.unpac.me/results/41e99221-38d7-475a-a223-ebc45a8c2eab/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/41e99221-38d7-475a-a223-ebc45a8c2eab/
SH256 hash:
2657c78285f08d3270f8722b21d405ccabe052a892bb3cac855ea134c6d66bf1
MD5 hash:
98ed1fb230abecf136a308c85866bdb7
SHA1 hash:
3a81b5584a52acd8ac5b71b19c17573e4e49635a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/41e99221-38d7-475a-a223-ebc45a8c2eab/
Parent samples :
61cd0eb067277dda91558901ac1d3b45bf56f4d4fec39270e4975de550477513
759f0e7cf8b5ab1301ed2a96bfdfb938660c0acbea1cfa87c5e33c3f976afb43
37be898f8c2b0f9dfc4663070ae1ac1fd0f4edc08760d5c40fb18c7353f7f476
ce7d07f009b3e4548e852f20cc95dd3ab2a01f19f98279666bda63fc60edd77f
4c73fd4286e76a094eefafe5369f3a184ca4a38d567ae6dfad61645bf968a83f
28c2f982e046fd592e5a6d27294437b3b603a90d3f21fc7a9194e070f7c988c9
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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

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/83140/

Comments