3d520333c062cd604b56557d35621f619b4d977db508ad341dd58787f1de26c5

Analysis

max time kernel
144s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 23:58

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General

Target

1b3d6761c4d5a29ba06662bcfb948f79.exe
Size

153KB
MD5

1b3d6761c4d5a29ba06662bcfb948f79
SHA1

353c0da8a89592377c5e3aed876360de3a5e23df
SHA256

3d520333c062cd604b56557d35621f619b4d977db508ad341dd58787f1de26c5
SHA512

d3375467b7cafe0e3da6dde7f24b87c8c744720b0ec9c6ad8ad98a4a2ca57a037ec8d866988135504ff14ad1b603ec0be0b24a9875a7d0abf83f585ec102ba73
SSDEEP

3072:/pAn63wDSVI+XDdqAztqlpCL1CrsJFHEKQ/wyYHKuizxaZD1kZO+qJc+C:/pAnLDSVB5ZqlpCL1CekDwFq3zihcO+1

Score

7^/10

adware stealer upx

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
680	1b3d6761c4d5a29ba06662bcfb948f79.exe
680	1b3d6761c4d5a29ba06662bcfb948f79.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/680-8-0x00000000021B0000-0x00000000021F0000-memory.dmp	upx
behavioral2/memory/680-7-0x00000000021B0000-0x00000000021F0000-memory.dmp	upx
behavioral2/memory/680-4-0x00000000021B0000-0x00000000021F0000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{952040CD-E23D-4969-B164-5D9ECF887142}	1b3d6761c4d5a29ba06662bcfb948f79.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\BTAGServic.dll	1b3d6761c4d5a29ba06662bcfb948f79.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	1b3d6761c4d5a29ba06662bcfb948f79.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\TabProcGrowth = "1"	1b3d6761c4d5a29ba06662bcfb948f79.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{952040CD-E23D-4969-B164-5D9ECF887142}\InprocServer32	1b3d6761c4d5a29ba06662bcfb948f79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	1b3d6761c4d5a29ba06662bcfb948f79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	1b3d6761c4d5a29ba06662bcfb948f79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{952040CD-E23D-4969-B164-5D9ECF887142}	1b3d6761c4d5a29ba06662bcfb948f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{952040CD-E23D-4969-B164-5D9ECF887142}\InprocServer32\ = "C:\\Windows\\SysWow64\\BTAGServic.dll"	1b3d6761c4d5a29ba06662bcfb948f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{952040CD-E23D-4969-B164-5D9ECF887142}\InprocServer32\ThreadingModel = "apartment"	1b3d6761c4d5a29ba06662bcfb948f79.exe

C:\Users\Admin\AppData\Local\Temp\1b3d6761c4d5a29ba06662bcfb948f79.exe
"C:\Users\Admin\AppData\Local\Temp\1b3d6761c4d5a29ba06662bcfb948f79.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies registry class
PID:680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\BTAGServic.dll

Filesize
51KB

MD5
4e3ba810a0891f46c54e7b61193e77ca

SHA1
656ddaf8d479372c9eafedd47f98bba7c07abac4

SHA256
f1ab0a36fb89806e45926e5bd31243ac2e674f99ed8787ff04e17bc0eb4beb68

SHA512
1d16b7520745a3cea85bbb19a82a99e052626b27a2400bcd4e69bfe38f8300563e724179d6fd66a81c176f6e394aa77a15657db3fcd089c18346030f2fefb867

Download Submit
C:\Windows\SysWOW64\BTAGServic.dll

Filesize
36KB

MD5
8eaeedd3c8be2af1a50454e5f1080046

SHA1
0a3ef046190114fac65071cdfeeb3153d948f5f9

SHA256
a0b88e045a548aa4cfe6de92b308f52d1295f1fea9647363443e1d4bb402213b

SHA512
5fca203965ed54776cec22680009912acdc167baac569a23ccef8e253a667a2017070463e9e3592a5240415a8fb4121d0fe8565d51c439c5e0917c9a4f7f59b5

Download Submit
memory/680-2-0x00000000005D0000-0x00000000005F4000-memory.dmp

Filesize
144KB

Download
memory/680-8-0x00000000021B0000-0x00000000021F0000-memory.dmp

Filesize
256KB

Download
memory/680-7-0x00000000021B0000-0x00000000021F0000-memory.dmp

Filesize
256KB

Download
memory/680-4-0x00000000021B0000-0x00000000021F0000-memory.dmp

Filesize
256KB

Download
memory/680-10-0x00000000005D0000-0x00000000005F4000-memory.dmp

Filesize
144KB

Download
memory/680-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads