MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
SHA3-384 hash: 352dc7e8010421cd16eed27680dde6730498e1c9d9a0669a82c71611c1c9726adeaced2f1b860dd1b18e7b6c4c33a7ad
SHA1 hash: 6d1689a3d839a5ec98d37a9e6b59302403e8b635
MD5 hash: 181187963bc22a9ecc23b4d7559ea168
humanhash: uncle-gee-washington-india
File name:181187963bc22a9ecc23b4d7559ea168.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:558'592 bytes
First seen:2020-10-03 10:57:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:5yATjE/GtxarMl2OQyEQuo7DpIjrsOwij8a:BTIwhuV/aBOz8a
Threatray 2'308 similar samples on MalwareBazaar
TLSH 71C4E13632949B04D67A533ACCA9910503F9F407B912EB6DBDD8224C0952FA74B33BDB
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/67902/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.51946.21943.4161.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480745
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Creates an undocumented autostart registry key
Detected FormBook malware
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292813 Sample: P4Nf99Ztz4.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 50 www.shouqugo.com 2->50 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 7 other signatures 2->66 11 P4Nf99Ztz4.exe 3 2->11         started        signatures3 process4 file5 44 C:\Users\user\AppData\...\P4Nf99Ztz4.exe.log, ASCII 11->44 dropped 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->70 72 Tries to detect virtualization through RDTSC time measurements 11->72 74 Injects a PE file into a foreign processes 11->74 15 P4Nf99Ztz4.exe 11->15         started        18 P4Nf99Ztz4.exe 11->18         started        20 P4Nf99Ztz4.exe 11->20         started        22 P4Nf99Ztz4.exe 11->22         started        signatures6 process7 signatures8 84 Modifies the context of a thread in another process (thread injection) 15->84 86 Maps a DLL or memory area into another process 15->86 88 Sample uses process hollowing technique 15->88 90 Queues an APC in another process (thread injection) 15->90 24 explorer.exe 15->24 injected process9 dnsIp10 52 wz889955.com 34.102.136.180, 49773, 80 GOOGLEUS United States 24->52 54 www.xm620.com 24->54 56 www.wz889955.com 24->56 68 System process connects to network (likely due to code injection or exploit) 24->68 28 chkdsk.exe 1 18 24->28         started        signatures11 process12 file13 46 C:\Users\user\AppData\...\L34logrv.ini, data 28->46 dropped 48 C:\Users\user\AppData\...\L34logri.ini, data 28->48 dropped 76 Detected FormBook malware 28->76 78 Creates an undocumented autostart registry key 28->78 80 Tries to steal Mail credentials (via file access) 28->80 82 4 other signatures 28->82 32 cmd.exe 2 28->32         started        36 cmd.exe 1 28->36         started        signatures14 process15 file16 42 C:\Users\user\AppData\Local\Temp\DB1, SQLite 32->42 dropped 58 Tries to harvest and steal browser information (history, passwords, etc) 32->58 38 conhost.exe 32->38         started        40 conhost.exe 36->40         started        signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 16:05:17 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
Formbook
1f5f7921e3be739b51bead01306a9cc5dc7fec1dbc01a6784497de89afb6742c
Formbook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
Formbook
6b3c0907618cdc1bdcb07dd987ee91dbcc691b2181d947e81d8d2756d7cea195
Formbook
6b749b16961bf8b461c0865eaea4869ed9fefb393e2e5c367741b1cb0ce7ff1b
Formbook
700f8405954cf77a38e6b103b33e4c7164202e9126b3b76044be35510b2bf440
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
Formbook
d05efc3d09d7c08668da10c09101815e0af2f3376a03512e959ca467835b9c26
Formbook
d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
Formbook
+ 2'298 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201003-aew2ntdvae/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/kbc/
Unpacked files
SH256 hash:
45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
MD5 hash:
181187963bc22a9ecc23b4d7559ea168
SHA1 hash:
6d1689a3d839a5ec98d37a9e6b59302403e8b635
Link:
https://www.unpac.me/results/d2f6e7ea-73d6-4890-98d3-9aca59261863/
SH256 hash:
176b66c9ea43b9d6716fc258e8faaf5442c0fa86d71550b05ebc9d85b7c74cec
MD5 hash:
f0688834f132d2f490e9e70f9f2d6691
SHA1 hash:
bda30bf06b978a7dc38bf3d00443fe2976797be9
Link:
https://www.unpac.me/results/d2f6e7ea-73d6-4890-98d3-9aca59261863/
SH256 hash:
3158cf0e3b44f8fcf464e7a8d371d9c3acd248ef273f35a681da8fc7dc2ff917
MD5 hash:
9a7a5b4092e24025b90bfdfecf463ce3
SHA1 hash:
f0a48dbd340091ee8353803f4ad082fc882ab166
Link:
https://www.unpac.me/results/d2f6e7ea-73d6-4890-98d3-9aca59261863/
SH256 hash:
327b27cc212fb478466071bd45a1ae9bf9360ba5819e8409e5a66e8ef20dd293
MD5 hash:
8636fe2f9c7d07f609595516cf38ca58
SHA1 hash:
f1020e0e8ebc4381ef7b525c244d00918dfd0470
Link:
https://www.unpac.me/results/d2f6e7ea-73d6-4890-98d3-9aca59261863/
SH256 hash:
6bc888f91fe029227d450ce22afeaba5d6ba11fcc1c305a6cf3f415646936e77
MD5 hash:
e7924b6a6630a81d59cf775d2d3bae4c
SHA1 hash:
22fc46805a0d1e8d345de8d1c8fd3d8b241d5759
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d2f6e7ea-73d6-4890-98d3-9aca59261863/
Parent samples :
affce980af02d950f59edeb358f59b8770a2ce6c164bc80bfb096d217b6e9e3d
61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210
6b749b16961bf8b461c0865eaea4869ed9fefb393e2e5c367741b1cb0ce7ff1b
5ea1a605b9e619272feeef0f6ee29bcb0b227eb7d97d6137772382b56da27e8b
a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
ccd3a983a69537e881533a0c0dc32ef6c15c80291cc06a297cc8e36c90543ca7
2925a2b914903c7f4da4cd8344c1e417a5334ccb8be94898e9d4e31ef0bb1dba
9b1e9462264e563f132ecf371f18ce04e2d1493a26c34b4f826c0791291b8355
9221bcf3f3557b59910d190bb228c5f6e9fe4e7fec078a6f1bce8cb6075dfb8a
53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb
0db8c615e9cd13c0bdd7b3bc5b1b58bc0e27574d7ba4577f8d4b30a8d8b4337a
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/45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa

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/67902/

Comments