4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 20:05

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General

Target

4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
Size

760KB
MD5

4f86b982774c2a1dc3e4631c11604572
SHA1

cc20f1ee9baff48885334730056a69b530a81f3d
SHA256

4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a
SHA512

17d4e343ec44b22a98200e7d3689b618c5ad050b7dc481869ae354663dda9d4e95949040d3ef2a004c87177ded38591fd4b1b5267edee23bdb6bbbeea1430b41
SSDEEP

12288:no5GBHD297ujJxcmdXkmp9WrXOFXwG//tHCDBLO3EmiSRKQMMpge5eDq/qI:no50C97ujJfBHm8P/lCd6riubge5eu/d

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 37 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1200-57-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-59-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-60-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-61-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-62-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-64-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-66-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-68-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-70-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-72-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-74-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-78-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-76-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-84-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-86-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-82-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-88-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-80-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-94-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-92-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-98-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-96-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-90-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-100-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-102-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-103-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-106-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-108-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-116-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-114-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-112-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-110-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-107-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-105-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-151-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1200-153-0x0000000000870000-0x00000000008AD000-memory.dmp	upx
behavioral1/memory/1200-198-0x00000000008D0000-0x000000000090D000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\rw.dll	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
1200	4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe

C:\Users\Admin\AppData\Local\Temp\4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe
"C:\Users\Admin\AppData\Local\Temp\4b3cb1df0dd0e802c00173210e497567004bb5c9f3b30e4f7bba09678f32c28a.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1200-55-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1200-57-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-59-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-60-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-61-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-62-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-64-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-66-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-68-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-70-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-72-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-74-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-78-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-76-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-84-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-86-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-82-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-88-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-80-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-94-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-92-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-98-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-96-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-90-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-100-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-102-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-103-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-106-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-108-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-116-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-114-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-112-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-110-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-107-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-105-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-150-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download
memory/1200-151-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1200-153-0x0000000000870000-0x00000000008AD000-memory.dmp

Filesize
244KB

Download
memory/1200-198-0x00000000008D0000-0x000000000090D000-memory.dmp

Filesize
244KB

Download
memory/1200-199-0x0000000000400000-0x000000000060E000-memory.dmp

Filesize
2.1MB

Download