MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1d948e55ae7ad543c582a155cea131aea83079cb762385c77908175d23e3fec. 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
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SHA256 hash: b1d948e55ae7ad543c582a155cea131aea83079cb762385c77908175d23e3fec
SHA3-384 hash: ca0b2384a4978d67a0990921b3b75fc10d5e3a77d2229703aaf687aba36085ab63570c6e653fbd3c71a6525673cf5cf9
SHA1 hash: c6ab235dc0b1b44085d8a65d9d0fc193aed03449
MD5 hash: faf404cc03374349c2de1845269bd586
humanhash: maine-two-fifteen-connecticut
File name:faf404cc03374349c2de1845269bd586.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:954'368 bytes
First seen:2021-03-30 12:56:20 UTC
Last seen:2021-03-30 14:15:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:gDhDHitLI76B6MFG1tFNS9pEqwFUSlj1xGpZWEJwZ2X:g1DILy6B6ME1f89Y91xGpZWgL
Threatray 4'415 similar samples on MalwareBazaar
TLSH F8154C8C1B99C18AD5754A68C2D983F546A95EF2FB21CC6BA8C43FCFF5317C1A106263
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
faf404cc03374349c2de1845269bd586.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-30 13:03:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d0471ad6-65d9-4e7f-ab96-7754b6fe3bdc

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/128046/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.9873.22682.8094.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/658406
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 378131 Sample: DLVq1O2dUG.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 31 www.nowai.net 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 11 DLVq1O2dUG.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\DLVq1O2dUG.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Injects a PE file into a foreign processes 11->59 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.canadahealthlabs.net 172.81.181.36, 49740, 80 COGENT-174US Canada 18->33 35 www.zoom3x.com 155.159.130.142, 49729, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 18->35 37 www.myrun.life 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmd.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1d948e55ae7ad543c582a155cea131aea83079cb762385c77908175d23e3fec/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-03-30 01:02:56 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=whmurzk246wvipcyfikvz2qtdlvigb44w5rdqxdxscaxlur6h7wa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
144ba78ed9c55be4ae5cf35ce9dfa6ee728c8e3eec6ae24e86b63b16c259d772
Formbook
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
Formbook
5386335debe7df955f9f8cf8e2fa0d5d482b197a3e24c59b0197eba5bf3d28b4
Formbook
57605921f72fd210ec256ed3010b59d111c6d3b9e49b9e830e06d6bddce83db4
Formbook
730b276576659ea2bc17aee5e92f2cc5b9aecf9ade5f03816bde0023a783b545
Formbook
a8599ed108a38560de3851540edbbf3b83fc87a0f56fb883a24d6fda82b90c8f
Formbook
c110f212116bda6ac806a97eed8c74a705a7df127ba3cf5579e16e3fe146dfee
Formbook
c2b8d66b59eabf04dadf3af98e03e6f3aad3f289e826852fabda188863eb679b
Formbook
d68888aa1e155ac65bd1ddabcf05f61bfff65f79a11cc0ee099200c3da8c5d35
Formbook
ff3008594a20025a09ea2c83310d08f1c1aada6daa05b7a37ffefbe09cf8a2e7
Formbook
+ 4'405 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/210330-w5p48a6yw2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brianajewels.com/utd4/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/e7cfc7fd-e1f6-4772-8b56-5512551b7398/
SH256 hash:
b1d948e55ae7ad543c582a155cea131aea83079cb762385c77908175d23e3fec
MD5 hash:
faf404cc03374349c2de1845269bd586
SHA1 hash:
c6ab235dc0b1b44085d8a65d9d0fc193aed03449
Link:
https://www.unpac.me/results/e7cfc7fd-e1f6-4772-8b56-5512551b7398/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/b1d948e55ae7ad543c582a155cea131aea83079cb762385c77908175d23e3fec

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_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/128046/

Comments