b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c

Analysis

max time kernel
188s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 07:04

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General

Target

b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Size

336KB
MD5

2703c7d3eb0215a4815b6ebd6f07ff30
SHA1

ad1f594838a20e4ba6149ce58567aab398da4b48
SHA256

b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c
SHA512

c650788768642f4ce0d623a5ded8709fde6c9c80d9e3c3e3256a308b628471bf2188895596a86938e505732bd83f2e3341944f4f8db562cf4d857ac30036fe7e
SSDEEP

3072:EsU9b466/ySq/Q0zR+i74e8RCj1+3zEch3pNUfWJAcl8+IjO9jfkR5sCerpIAC8W:EL6/vH0lIe8QY35h3pNFTIjSIPOC8

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2548-133-0x0000000000400000-0x0000000000555000-memory.dmp	upx
behavioral2/memory/2548-134-0x0000000000400000-0x0000000000555000-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\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\curl.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\Recent\\convert.exe"	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	proquota.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	proquota.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	proquota.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	proquota.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	proquota.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	proquota.exe

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	proquota.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	proquota.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	proquota.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe
1112	proquota.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	proquota.exe
Token: SeDebugPrivilege	1900	mspaint.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 2548 wrote to memory of 1112	2548	b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe	78
PID 1112 wrote to memory of 1900	1112	proquota.exe	79
PID 1112 wrote to memory of 1900	1112	proquota.exe	79
PID 1112 wrote to memory of 1900	1112	proquota.exe	79
PID 1112 wrote to memory of 1900	1112	proquota.exe	79
PID 1112 wrote to memory of 1900	1112	proquota.exe	79
PID 1112 wrote to memory of 1900	1112	proquota.exe	79

C:\Users\Admin\AppData\Local\Temp\b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe
"C:\Users\Admin\AppData\Local\Temp\b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\proquota.exe
  C:\Windows\System32\proquota.exe
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies Internet Explorer Protected Mode
  - Modifies Internet Explorer Protected Mode Banner
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\mspaint.exe
    C:\Windows\System32\mspaint.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1900

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\convert.exe

Filesize
336KB

MD5
2703c7d3eb0215a4815b6ebd6f07ff30

SHA1
ad1f594838a20e4ba6149ce58567aab398da4b48

SHA256
b34ab856ab57257c5cc5ada5a6c4ee0c262930a4684c7bb95d14a1ae938e607c

SHA512
c650788768642f4ce0d623a5ded8709fde6c9c80d9e3c3e3256a308b628471bf2188895596a86938e505732bd83f2e3341944f4f8db562cf4d857ac30036fe7e

Download Submit
memory/1112-153-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-161-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-168-0x0000000000620000-0x000000000066B000-memory.dmp

Filesize
300KB

Download
memory/1112-160-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-152-0x0000000000620000-0x000000000066B000-memory.dmp

Filesize
300KB

Download
memory/1112-159-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-143-0x0000000000620000-0x000000000066B000-memory.dmp

Filesize
300KB

Download
memory/1112-146-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-149-0x00000000760C0000-0x0000000076123000-memory.dmp

Filesize
396KB

Download
memory/1112-148-0x0000000076260000-0x0000000076475000-memory.dmp

Filesize
2.1MB

Download
memory/1112-155-0x0000000076260000-0x0000000076475000-memory.dmp

Filesize
2.1MB

Download
memory/1112-158-0x0000000076260000-0x0000000076475000-memory.dmp

Filesize
2.1MB

Download
memory/1112-157-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-150-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1112-156-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download
memory/1900-167-0x0000000000E50000-0x0000000000E9B000-memory.dmp

Filesize
300KB

Download
memory/1900-164-0x0000000000E50000-0x0000000000E9B000-memory.dmp

Filesize
300KB

Download
memory/1900-169-0x0000000000E50000-0x0000000000E9B000-memory.dmp

Filesize
300KB

Download
memory/2548-134-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2548-142-0x00000000021C0000-0x000000000220B000-memory.dmp

Filesize
300KB

Download
memory/2548-140-0x00000000021C0000-0x000000000220B000-memory.dmp

Filesize
300KB

Download
memory/2548-133-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2548-137-0x00000000021C0000-0x000000000220B000-memory.dmp

Filesize
300KB

Download
memory/2548-132-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/2548-135-0x00000000023A0000-0x00000000024F5000-memory.dmp

Filesize
1.3MB

Download