a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56

Analysis

max time kernel
65s
max time network
115s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 10:30

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General

Target

a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe
Size

166KB
MD5

b173e118615a1a915f6bf80cdc039291
SHA1

db50c6652825bfc35fd9cc977b2523469a80fdd4
SHA256

a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56
SHA512

daab4e5f9596535cda39327dc1cbf39fa36e152db8a8b069aa774b71eeffb0c8e8149c17066dab02043bc46f8c44669d3c512652804e09e109645af3b2e882fb
SSDEEP

3072:+pwsHhTSgbCrwltqBYmAhUp1WKCv2FpDD4+XZPLEOiSKyO/AFk0:6wIuf8kJzsd2FdDbpPIO9T6

Score

8^/10

persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1348-55-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1936-59-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1348-61-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1808-65-0x0000000000400000-0x0000000000442000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1936	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	26
PID 1348 wrote to memory of 1936	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	26
PID 1348 wrote to memory of 1936	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	26
PID 1348 wrote to memory of 1936	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	26
PID 1348 wrote to memory of 1808	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	28
PID 1348 wrote to memory of 1808	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	28
PID 1348 wrote to memory of 1808	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	28
PID 1348 wrote to memory of 1808	1348	a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe	28

C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe
"C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe
  C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1936
- C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe
  C:\Users\Admin\AppData\Local\Temp\a1b775b07811f268e06573445b236972c4f637f468c286a7e9a86120c77fba56.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1348-54-0x00000000750A1000-0x00000000750A3000-memory.dmp

Filesize
8KB

Download
memory/1348-55-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1348-56-0x0000000000500000-0x000000000051B000-memory.dmp

Filesize
108KB

Download
memory/1348-62-0x0000000000500000-0x000000000051B000-memory.dmp

Filesize
108KB

Download
memory/1348-61-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1808-65-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1808-66-0x00000000004E1000-0x00000000004FC000-memory.dmp

Filesize
108KB

Download
memory/1936-59-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1936-60-0x0000000000513000-0x000000000052D000-memory.dmp

Filesize
104KB

Download