MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
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SHA256 hash: 1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6
SHA3-384 hash: dbe20554f6aa729ad8c435feb596c5a4d137a80286e84b4645d3765e74a2f5044ff5b2bab23bae8ce0e7824152b9067e
SHA1 hash: 218d314d0635243a02d3d997e56e02f6bb78d4af
MD5 hash: 64868438660b618e246ab756184c4ccb
humanhash: diet-yellow-echo-idaho
File name:prkwSBzhFfzzGLW.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:689'160 bytes
First seen:2024-02-27 15:16:11 UTC
Last seen:2024-07-24 11:45:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:TloMvvjpkDaBs/BPExhrKYmzq39dKA3c0b6IObE7N58pj7kR:2MnFTapM1v3r1l5Gje
Threatray 888 similar samples on MalwareBazaar
TLSH T1C7E4122557E87B16F9B9AFF4F9F981104BB2B9323D31C64C1C9884DC49E2B609A04B77
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/478019/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46295.6312.26914.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65ddfcf822703c3491b472b3/reports/8d563593-b0ac-40c7-ad19-d50e30048184/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6
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/b9779b65-064e-4c4c-9e43-b0b5d45ad851
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1399656
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
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 / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1399656 Sample: prkwSBzhFfzzGLW.exe Startdate: 27/02/2024 Architecture: WINDOWS Score: 100 44 www.westmobileautodeatailers.online 2->44 46 www.slot-777.bet 2->46 48 13 other IPs or domains 2->48 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 11 prkwSBzhFfzzGLW.exe 3 2->11         started        signatures3 process4 signatures5 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 14 prkwSBzhFfzzGLW.exe 11->14         started        process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 17 explorer.exe 59 1 14->17 injected process8 dnsIp9 38 genclerkonagi.com 45.84.189.3, 49732, 49733, 80 RADORETR Turkey 17->38 40 conexoesnews.com 185.245.180.207, 49738, 49739, 80 QUICKPACKETUS Germany 17->40 42 5 other IPs or domains 17->42 20 cscript.exe 18 17->20         started        process10 file11 32 C:\Users\user\AppData\...\682logrv.ini, data 20->32 dropped 34 C:\Users\user\AppData\...\682logri.ini, data 20->34 dropped 58 Detected FormBook malware 20->58 60 Tries to steal Mail credentials (via file / registry access) 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 64 5 other signatures 20->64 24 cmd.exe 2 20->24         started        28 firefox.exe 20->28         started        signatures12 process13 file14 36 C:\Users\user\AppData\Local\Temp\DB1, SQLite 24->36 dropped 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 30 conhost.exe 24->30         started        signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6/
Threat name:
ByteCode-MSIL.Trojan.Remloader
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Status:
Malicious
First seen:
2024-02-26 02:04:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dio4qj6yc2hzup7gfxqs5bbcmbccxrwz46ow6xh53a6uhesbb7ta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2aae1c0d24cf1e75f9e392bc8df159de3cc10482ec6a692e45bfab89deade435
Formbook
3f71cd633e4008724884843131ed3d03c8d6613882f81a8afc615ad30f841dfe
Formbook
4a315242b8f5619463853e2d7edea38ccc32a0ac71bf996a6c4d6b27388e6809
Formbook
52d8942e61bd4086fcff78395b40844a7cf525ce5e1201544451e8cd2113e8d8
Formbook
7aa331eebe368ea49b82cdd5fd007e0326c803d8236349364a1868075d068c4c
Formbook
7f2b6abae34c616082bd23cc868fb85c63ac3b2db5ee103886c1400b3d43f7b4
Formbook
d1544604348008fe3cc10c72a6e1903c47fa78d2fa53c1a04aebcb2c8e187287
Formbook
d3a9f4917640c82521a6d6de9e220ed18844cc92e7129d6a984078eee2a5ab3e
Formbook
dcd550058c9d0ddf7734ae149ca1f6d333e5873ab97af5453570d7d5e3deac55
Formbook
fb21cc57575d446faff8bcc00b2b0daad05a96f9c052a8e086882e5e498a436c
Formbook
+ 878 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cz30 rat spyware stealer trojan
Link:
https://tria.ge/reports/240227-sn1y9scb98/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
fea6d260f190f9c12fe3e5a7b44fa44eb962d64c827cac3c43ccbff0d6f7ef29
MD5 hash:
12b26db7b06bf7bf6dc2b943eccac096
SHA1 hash:
49a957e558b552805e69cfd3d1bff9c986ef7348
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/3db84a5d-06ba-4d53-908b-4d413b8a75e2/
Parent samples :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 hash:
74bcfe6125387b006dffccba85e9eeb917c0ef7b25af10734cec21b9df185e73
MD5 hash:
ba4144e4e3bf02066f5a7138230a5270
SHA1 hash:
fb4edb9722f6facaec9c9291fc56262981b6ed41
Link:
https://www.unpac.me/results/3db84a5d-06ba-4d53-908b-4d413b8a75e2/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/3db84a5d-06ba-4d53-908b-4d413b8a75e2/
SH256 hash:
70d99bc7d5f66bed546ef7fb18d749c7a0a2032444078a18edef9ad6e3723e47
MD5 hash:
5e30385d89c2fe00c5607639d233b3ce
SHA1 hash:
d23cf8f4a6c0aaff4061c3d7abcba42795023e14
Link:
https://www.unpac.me/results/3db84a5d-06ba-4d53-908b-4d413b8a75e2/
SH256 hash:
1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6
MD5 hash:
64868438660b618e246ab756184c4ccb
SHA1 hash:
218d314d0635243a02d3d997e56e02f6bb78d4af
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/3db84a5d-06ba-4d53-908b-4d413b8a75e2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a1dc827d816/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Malspam

Formbook

r01 2029789d040938695a6db620d76f10795ab0ce0d333c86718465c69e56f69c42

Formbook

Executable exe 1a1dc827d8168f9a3fe62de12e842260442bc6d9e79d6f5cfdd83d4392410fe6

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2029789d040938695a6db620d76f10795ab0ce0d333c86718465c69e56f69c42
Cape
Cape
https://www.capesandbox.com/analysis/478019/
  
Dropped by
MD5 b251e44b29f7e0ca14913b6b8d3362f4

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