MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
SHA3-384 hash: 8da812dc09ff929887b581596370f7a9bf016481e747b865fe0c01f1f6eccb7a1ee4b2ff23bb5fe5343074a9181b9bac
SHA1 hash: 9478be8fb3685aa3aa8295d6a9a95c42878536f6
MD5 hash: 69ce2eeee8fb2874a07a90a492efe263
humanhash: nine-sixteen-low-august
File name:IMAGE_001.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:816'128 bytes
First seen:2023-12-05 20:41:28 UTC
Last seen:2023-12-05 22:17:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:K65nF8ME6jD/EI3VXEwjAHj+A1HOFDe3EmpWcyasQI7pb3ytrt:K6PtD/E0Ew0HjAe3Zvs2h
Threatray 265 similar samples on MalwareBazaar
TLSH T1880501533EA87B56D4599BB71665D21C137A3C6EBCFDE20B1C8DB2CAC67A7D00121A03
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 15 x RemcosRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
332
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
IMAGE_001.exe
Verdict:
Malicious activity
Analysis date:
2023-12-05 20:42:32 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/90f6fb09-f8a1-4a25-a7c9-c18c5c5e9b71

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/462706/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2562.3888.13264.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656f8b2a3f60a8103489865d/reports/716a0c37-2a65-411f-87d4-86f0f0354135/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
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/daa2deb7-7398-42cf-a786-f7ae6710a15f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354219
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354219 Sample: IMAGE_001.exe Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 52 www.sdg-hub.top 2->52 54 www.pfin.info 2->54 56 20 other IPs or domains 2->56 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 8 other signatures 2->74 10 IMAGE_001.exe 7 2->10         started        14 BXFRdoFeR.exe 5 2->14         started        signatures3 process4 file5 48 C:\Users\user\AppData\Roaming\BXFRdoFeR.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpF4BE.tmp, XML 10->50 dropped 84 Uses schtasks.exe or at.exe to add and modify task schedules 10->84 86 Adds a directory exclusion to Windows Defender 10->86 88 Injects a PE file into a foreign processes 10->88 16 IMAGE_001.exe 10->16         started        19 powershell.exe 23 10->19         started        21 schtasks.exe 1 10->21         started        90 Multi AV Scanner detection for dropped file 14->90 92 Machine Learning detection for dropped file 14->92 23 BXFRdoFeR.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures6 process7 signatures8 64 Maps a DLL or memory area into another process 16->64 27 NSuBNOacvwrDLpoITdiKGpvXssrI.exe 16->27 injected 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 NSuBNOacvwrDLpoITdiKGpvXssrI.exe 23->33 injected 36 conhost.exe 25->36         started        process9 signatures10 38 sdiagnhost.exe 13 27->38         started        66 Maps a DLL or memory area into another process 33->66 41 sdiagnhost.exe 33->41         started        process11 signatures12 76 Tries to steal Mail credentials (via file / registry access) 38->76 78 Tries to harvest and steal browser information (history, passwords, etc) 38->78 80 Writes to foreign memory regions 38->80 82 3 other signatures 38->82 43 NSuBNOacvwrDLpoITdiKGpvXssrI.exe 38->43 injected 46 firefox.exe 38->46         started        process13 dnsIp14 58 www.jefw392.top 160.124.250.92, 49744, 49745, 49746 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 43->58 60 www.pfin.info 74.208.236.16, 49736, 49737, 49738 ONEANDONE-ASBrauerstrasse48DE United States 43->60 62 10 other IPs or domains 43->62
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-05 15:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwflwlvj352ewcqluwxpqj7h7ptwwtj6g3zkv3ycz6doix57iaba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
144eea27473695352b1dca78911d83a4752c720b571cbe901c74821734736778
Formbook
22831628191c902a9ecd0b30822a80fd61cbf32ca11996cc77f3faec57a2f750
Formbook
2adf12374473a7fd42a48cd30a1e59f4668ac77b82e4b0c02ffd498f57f0520f
Formbook
63f6026d12f89887e771e6f8518665353c55158a3d9bd17afb9bd9cd3ebf4f9d
Formbook
6f3f99877f8716404854d6dbbb0f47ca698bf84e1968af3b84e79789e6500d6b
Formbook
d76f0bd5be27187672f2b89be93eba20033cadb397398143bfe6f81d8ef4d9dd
Formbook
dc7e71bcaab267806ba177fe20ca6362dddd73b424c956c3fd13fd36a201f449
Formbook
f45cce1292aa30dc88decc03fe81e7c10a64e4302eb1e3faa81c385e36d2a1ff
Formbook
+ 255 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231205-zg1s9afg92/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
9e473d7bf29049d5a026c9b53515f39d25d8c5ae73af527901777166e4ce4a81
MD5 hash:
fc8b706af26b670fa0163039a5fc2690
SHA1 hash:
80cbf5a8ef98f8c457adf35123e3b3ddbb461d68
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
SH256 hash:
8cfaaf284732aa506853c0037763fa29540e2c493d3d25f3bf0bf12aa3b40c32
MD5 hash:
3007121926966ae3cda43ada91ab878f
SHA1 hash:
9c2f0498c9cfa865b8c5f005481036d27a940109
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
SH256 hash:
4a35390eaa5a0b63a425e13d7f9cc53c434974518588b90db938c68fd4bd4cd4
MD5 hash:
a7f90e9b2e52a930225bf7348deb9646
SHA1 hash:
fe62a037af9e65a088b98591255e075d7fdf48ce
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
SH256 hash:
f1cc1fc9d7afe1078177afa03f52e746f82f40b3162f8be03e2664826335a50b
MD5 hash:
801c43cdda0cc21cfd69f8efa911c24f
SHA1 hash:
cd2a520848585fda75180dac336841b229e61d56
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
SH256 hash:
cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
MD5 hash:
69ce2eeee8fb2874a07a90a492efe263
SHA1 hash:
9478be8fb3685aa3aa8295d6a9a95c42878536f6
Link:
https://www.unpac.me/results/0f80f332-24a0-4953-8d54-630fde75d71f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd8abb2ea9df/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/cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

Formbook

Executable exe cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462706/

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