MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
SHA3-384 hash: 7e08857496e9c7b570efbedebaf1bbd27990f8ed575d0b4aefd624590859d59e1e86cb9bfa54fa7c850918044c3ac611
SHA1 hash: ffa13b937d3b2d2ab7f9ada546bf3aa68904556f
MD5 hash: 6621ac4ba59d8a8449c9ff63775079d3
humanhash: iowa-spring-georgia-seventeen
File name:Doc_240917.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:888'320 bytes
First seen:2024-09-17 15:09:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:meq3BGKW8uveD5UR8ZJkq/lDVaUscsJbP5J08BsuQWoln:iGKlumb/lDVaosJ5JPBEWcn
TLSH T13F15CF5131A47C13C6F505F1042AB37843F31BAA6228E2F17ED925DB7AD9B1231D2AE7
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)
Magika pebin
File icon (PE):PE icon
dhash icon 69e0c4e4ceceb6ce (3 x Formbook, 2 x MassLogger, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Doc_240917.exe
Verdict:
Malicious activity
Analysis date:
2024-09-17 15:37:03 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/3089e70d-607d-4117-b090-f017baa37455

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.24094.18674.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e99bd75d6a2b58599a979b
Tags:
Static Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/66e99bda979c2df183856e0c/reports/f7b528c8-cc43-4929-94d7-8fa6925e166c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4567cf44-fc12-4939-bf6d-14bb9d230230
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1512665
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-17 10:29:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vot5fd5oq2djscuhmfxtvc3irbs37ku37kqlqwrqahcj5vptzvbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240917-sj3maszbqh/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2fcefe06-ddb9-4b4d-a907-29e099b18ce1
Unpacked files
SH256 hash:
bff286f985c22b56c9a653ac87df8f5c45051c63aee3f995ea0f937ae2faa22c
MD5 hash:
9b7abd2ff2fdcf612068ac28b7a2cd3d
SHA1 hash:
bb98e052dee85287d71fc2bf8c6314b7a4fff096
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
Parent samples :
2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
5f34961a8ffa3b3a50b309877283e04db10c8d9ad4ed4dc4d810029e12aa1bd7
b246a081a4c5a68590f53f2e7564a770df3d2aa16272f49ee2ad2d2b8a6d1005
f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e
df3c78262e1d216441fe9888920c87ee92fd963b4b3823e3e99b208b8b5b6101
7a54497b3213ca0a232b8483c0f23046b9d51a6c9816f768ec30094a72c47a9a
aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
SH256 hash:
de9a19e98075663d459f5af6dee73ea137d7e80b924f2857dbc96a7f4fd449fa
MD5 hash:
aebcb745b8ac53dd84499e3e54e49092
SHA1 hash:
04634b789823299495ba2a3fbd7923347e2df0be
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
SH256 hash:
769e0bf3e997bbb7d70322fc3dea9d8f167847b9262a35246dcbf9e1169b45b6
MD5 hash:
59a95cbe93818b6b7172c2e17234416e
SHA1 hash:
7c44bacb857916b1b2307d822fcf3f92a3902fc7
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
SH256 hash:
ece7970a9e6c666781f5da2107d729e12ce56c02cd42f3eb4a52c819afff342f
MD5 hash:
65cea2525069a089afcb9fd00e977176
SHA1 hash:
f5793ee6d80afa2fa5f8eb640f25afa7cb6d9aad
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
SH256 hash:
14646e78050bee26373ad0873a6f7744a9e5bcf0db32b0d6cc7f6f01830c4425
MD5 hash:
d4f832055e881491121507f0a1d2ac64
SHA1 hash:
a014137f79f2477bae6e5fd202e33c8d7ccc1426
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
SH256 hash:
aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
MD5 hash:
6621ac4ba59d8a8449c9ff63775079d3
SHA1 hash:
ffa13b937d3b2d2ab7f9ada546bf3aa68904556f
Link:
https://www.unpac.me/results/872a8d75-ca27-43be-a22c-a8c14d3bb8c3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aba7d28fae86/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/aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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