MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b
SHA3-384 hash: 3870442fc83c64ac2c54504790704d5d6244f5098920dce46b6972c8f3529699bf7f4169ac0ea457a7157da21f12aa01
SHA1 hash: 9452bf56d750fb37d7f2374ceb2c30b0953098a6
MD5 hash: 43c163d00f21b33ed94f4b52fe8e83f4
humanhash: beer-pluto-stairway-william
File name:43c163d00f21b33ed94f4b52fe8e83f4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:644'608 bytes
First seen:2021-07-16 08:14:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:BZCFimRjswN00GtV9U/oK5+hvnbUPtM5mQKw4QhkUaS2KZcm6HnGNYg7:B0icjswNzobUgK5+hPQPtWowT
Threatray 6'503 similar samples on MalwareBazaar
TLSH T1F3D4AEAE338835AFC77FC471BAA4FC54FA50A8A367078D0B518305C9954E9539E81CBE
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43c163d00f21b33ed94f4b52fe8e83f4.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-16 08:18:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c413650f-379c-4f9e-b0a4-8fb6b04d166e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172132/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.5506.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd257779-9c92-4cb4-8023-23eb3aca54ed
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817343
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449755 Sample: 67XGjNSewn.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 6 other signatures 2->38 10 67XGjNSewn.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\67XGjNSewn.exe.log, ASCII 10->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 14 67XGjNSewn.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.hot-searches.info 34.202.122.77, 49740, 80 AMAZON-AESUS United States 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-15 15:45:47 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0119464081f8d755756760500cf89e722a10fdb5fedcd3fc9a7751b8cebeea55
Formbook
8825f533e70aa57be6d942f520dabc1f91a7b39a068c55e91a3177f599fcb7d6
Formbook
8aabfb2b5aeee025f4a6d963c8761011efb74797e37ee89fd37ae5c23f7f2945
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
9fadae8c6a192536c41677546bc32e530d38084906e8be610573538f0955c49d
Formbook
c26154711ca9d9d48de370f242deb560bd0b99a0c8f12a2d1db5d4cd6e25d107
Formbook
c59f3d09668674cc602a759071c5972b8f78b2b829afd3fb8d5e6f9ecd820280
Formbook
cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
Formbook
d243b48aff13e467981e04d6eb1c0dcba8e50dc01a670f280e59bc96e59f6719
Formbook
da805e8b0f86bcc67aeeb038fc69ef5551b4de2b22105aef39d534e051f57d4a
Formbook
+ 6'493 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/210716-pzp3hyy4yx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.daisy.wtf/b3pa/
Unpacked files
SH256 hash:
ce9bab1c1be4d8da186849df34ebdc2d0a29f23e451fb25c38f0629aca051e7e
MD5 hash:
e76cd6d4f2f3b3914a63a8ad70938eeb
SHA1 hash:
0d98cc02d4ca1ca8a039f606b78ad4bff2b321c0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/26bb7ed4-9d7a-40fd-aedb-89c61711a1e0/
Parent samples :
0119464081f8d755756760500cf89e722a10fdb5fedcd3fc9a7751b8cebeea55
534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/26bb7ed4-9d7a-40fd-aedb-89c61711a1e0/
SH256 hash:
0917987a5bb30b33e15112e26e9c6e978943d95491d1f45e8de5ac256ecdf2cd
MD5 hash:
132c4b9ce72d7bf598eae6466d11071c
SHA1 hash:
4d2758ae5ea6091e1607009b75e67b3cc0cc1c3e
Link:
https://www.unpac.me/results/26bb7ed4-9d7a-40fd-aedb-89c61711a1e0/
SH256 hash:
534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b
MD5 hash:
43c163d00f21b33ed94f4b52fe8e83f4
SHA1 hash:
9452bf56d750fb37d7f2374ceb2c30b0953098a6
Link:
https://www.unpac.me/results/26bb7ed4-9d7a-40fd-aedb-89c61711a1e0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/534d8b4992d534bc90055bab8ad3f479f29d613d573a42cf7e136dd84153b48b

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/172132/

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