MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb
SHA3-384 hash: e5e6056fc6235a94148449140a5fa9b1d9f7398cd6da7d0305574732f4e18be51918a8414d842ecbf1a7a3bc4ca54860
SHA1 hash: 9c880bfa517f7926fec9dcff1b5128518795cd66
MD5 hash: 37b264ce06985329b256ea4a65512223
humanhash: sierra-december-king-winner
File name:37b264ce06985329b256ea4a65512223.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:453'632 bytes
First seen:2020-10-03 11:08:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:LvUm6LlO1ZXCk47mqHx/HkJEQLCMcPKJcvr2V:4XO1ZCk4SqR/HfQ2dK2vr
Threatray 2'325 similar samples on MalwareBazaar
TLSH 5DA4122626C89B1CD63D7FFC80125012A3F6E4129327DB5DFFC862E9165AFD0C364A62
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Inject3.51964.30902.4710.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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480755
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292818 Sample: MKXGznGgl3.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 34 www.axiv-system.com 2->34 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 7 other signatures 2->48 11 MKXGznGgl3.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\MKXGznGgl3.exe.log, ASCII 11->32 dropped 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 15 MKXGznGgl3.exe 11->15         started        18 MKXGznGgl3.exe 11->18         started        20 MKXGznGgl3.exe 11->20         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 22 explorer.exe 15->22 injected process9 dnsIp10 36 www.rugaersug.com 22->36 38 www.jimanwendy.com 22->38 40 www.51tuimi.com 22->40 25 cmmon32.exe 22->25         started        process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 10:30:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
Formbook
2925a2b914903c7f4da4cd8344c1e417a5334ccb8be94898e9d4e31ef0bb1dba
Formbook
45312e8d723fed92808618b75477d50d8511d302886dc7969766b788cc00cbaa
Formbook
5ea1a605b9e619272feeef0f6ee29bcb0b227eb7d97d6137772382b56da27e8b
Formbook
61c5062c935dcbe2fa4565528c01b2d6b0a4e1e90639159cc3c127cdbb74a210
Formbook
6b3c0907618cdc1bdcb07dd987ee91dbcc691b2181d947e81d8d2756d7cea195
Formbook
6b749b16961bf8b461c0865eaea4869ed9fefb393e2e5c367741b1cb0ce7ff1b
Formbook
a50b13f838ab5c3a87196d1b8896ad7e1bd4272c948d79bf3d4636ca4f8baba1
Formbook
affce980af02d950f59edeb358f59b8770a2ce6c164bc80bfb096d217b6e9e3d
Formbook
ccd3a983a69537e881533a0c0dc32ef6c15c80291cc06a297cc8e36c90543ca7
Formbook
+ 2'315 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-jd6tm9m2tj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb
MD5 hash:
37b264ce06985329b256ea4a65512223
SHA1 hash:
9c880bfa517f7926fec9dcff1b5128518795cd66
Link:
https://www.unpac.me/results/4bfe8691-889a-4a14-8828-bbd4ef1108cd/
SH256 hash:
4a47072f5377a5454c18befb6df312f3bbad3402e3832e5abbf8a28b97a7fa9d
MD5 hash:
479a160f286de63092135024ba6fe2f5
SHA1 hash:
58ba8886672eabf6cf729dca791614ef0b9eb9e0
Link:
https://www.unpac.me/results/4bfe8691-889a-4a14-8828-bbd4ef1108cd/
SH256 hash:
086c2362aa68c91b4da527f332f5d4b5c363c993c09fcd8ae8d84b0e0ff138ef
MD5 hash:
d68642917ebb9ac9d2bb25d5f7058a4e
SHA1 hash:
932224814306f42f50d636e79658fb8530f76b1d
Link:
https://www.unpac.me/results/4bfe8691-889a-4a14-8828-bbd4ef1108cd/
SH256 hash:
0de1c7e39cfde06b92cfdb10d8296af3d0a4bc64736d9237c3a5eda24dc1ce3b
MD5 hash:
90c3fb999178e98eb1f1e13f9335e636
SHA1 hash:
f7c012c3e3ea020099ab03d77d039188f67e206e
Link:
https://www.unpac.me/results/4bfe8691-889a-4a14-8828-bbd4ef1108cd/
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/4bfe8691-889a-4a14-8828-bbd4ef1108cd/
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/53b1b0901a021e01a040e4ff3e81136781dce64bc9313e4480992fe8e9b2c8bb

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/67908/

Comments