c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45

Analysis

max time kernel
143s
max time network
178s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
25-11-2022 04:46

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General

Target

c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
Size

2.9MB
MD5

a5f6fe293b8bf48e9dcdbcfb706e82ec
SHA1

fed1b5dc772776a7ce9c973783f8f28312ae4568
SHA256

c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45
SHA512

a1bf36d02872193974ced1c0d46ac58eecade0ea9d4b4f8e75906f94f00b7f3060db113b018214c8f6282011acef8f954614712f700a62b2dd62b85ba9387ec0
SSDEEP

49152:vnTlyRcDAG06K7UgbTCsj8uKYRQQf73eSLiGfyJuvDgT4yr:7lWcDAP7LbhjrH+fuvD1yr

Score

8^/10

collection discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 4816 rundll32.exe
6 4816 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4816 rundll32.exe
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

flow	pid	process
5	4816	rundll32.exe
6	4816	rundll32.exe

pid	process
4816	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.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
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

InstallUtil.exe

pid process

2232 InstallUtil.exe
2232 InstallUtil.exe
2232 InstallUtil.exe

pid	process
2232	InstallUtil.exe
2232	InstallUtil.exe
2232	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe

description	pid	process	target process
PID 4944 set thread context of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4264 4816 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4264	4816	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exerundll32.exe

pid	process
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe
4816	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exeInstallUtil.exe

description	pid	process	target process
PID 4944 wrote to memory of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe
PID 4944 wrote to memory of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe
PID 4944 wrote to memory of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe
PID 4944 wrote to memory of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe
PID 4944 wrote to memory of 2232	4944	c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe	InstallUtil.exe
PID 2232 wrote to memory of 4816	2232	InstallUtil.exe	rundll32.exe
PID 2232 wrote to memory of 4816	2232	InstallUtil.exe	rundll32.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe
"C:\Users\Admin\AppData\Local\Temp\c8f2334942cc2d4d2a5fc19e04bb2428c010554896f6fee691ca002c3fccab45.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4944

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2232

C:\Windows\system32\rundll32.exe
"C:\Users\Admin\AppData\Roaming\nsis_unse56ea55.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBWgARO8AMQBtIQB1ADUrAEtFAlIhADBFAC0B|1lIg+wo6AQC|wAASIPEKMPM|8zMTIlEJBhI|4lUJBBIiUwk|QhZAUiLRCQwSLeJBCR9AThIawAI30jHRCQQLQHrDr59ARBIg8ABiwEQbn0BQEg5kgBzJZsD|4sMJEgDyEiLr8FIi0ynAVR3AAP|0UiLyooJiAj768FiBWVIiwQl|WDz8DPJSItQGP9IO9F0NkiDwv8gSIsCSDvCdP8qZoN4SBh1Gv9Mi0BQZkGDOHdrdAcNEUt1CA0Q|3gQLnQFSIsAX+vVSItI+QDBZgD|QFNVVldBVEHfVUFWQVdZAWaB|zlNWk2L+EyLf|JIi9kPhfzz8P9MY0k8QYE8CX9QRQAAD4Xq8|DfQYuECYjz8IXAf0iNPAEPhNZmEe+DvAmMLQEPhMf+8|BEi2cgRItf|xyLdyREi08Y|0wD4UwD2UgD||EzyUWFyQ+E|aTz8E2LxEGLEP9FM9JIA9OKAv+EwHQdQcHKDfcPvsD2AAFEA9D+uxF17EGB+qr8|w18dA6DwQFJ|4PABEE7yXNp|+vGi8EPtwxO|0WLLItMA+t091gz7aYQdFFBi|0UvQDTM8mKAky|i8LrD8HJxBEDvcjhEAFBigDREO3|M8Az9kE7DLb83BCiAIPGAYP4CP9y7usKSIvLQf||1UmJBPeDxf7gEMQEO28Ycq|+YgFBX0FeQV1B31xfXl1bLxdIgffsYAFgAIvp6Gb||v||SIXAD4StmXEgTI2rAYsnEMjvM||om3kgjV8E|0yNRUIz0ovL7|9UJGh8IEyL4NcPhGxxIEWkEDPA+4vTjSBIiXwkIPqiIHB8IEiL8A+E+UxxIKIgUEiNVgj|RI1HQEiNjCR+gRFIi9jofP16IFeNVkjaIBDeIczz8PvoZ+sgRIsGjVfpCD0goiBYxiGJhCS1gIMS3fPwiw7WIFjHiYwkbREDMI0g6DF+6yBMi106i6wpMvdIi5wWMkyJZCT|OESNZ2xJO+y9SIYgMEyJXIABhJsk3IMRho7jId8g8H6sE0iL0+jn|AEwu4qcczJIjYRzMkH|gPMhSYvMRDD9GKACg+kBdfOB|bxzMiFSZXh1Su+LhCT0HjGUJPj+8|ADwkg76HI1|0E71HYwRI1Jf0BJK9RBuACUAHqiIEDGIvh0F0S0MN6+MUiNU2yNIE0rd8TobIAwSIvOoiB|eEiF|3QUTIww|hcxSI1MJEC6Az7z8P|XSIHEcCFdJAMAAA==
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:4816

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4816 -s 240
4⤵
- Program crash
PID:4264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56ea55.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_unse56ea55.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
memory/2232-246-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2232-180-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2232-185-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-178-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2232-183-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-241-0x0000000002C90000-0x0000000002E26000-memory.dmp

Filesize
1.6MB

Download
memory/2232-181-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-182-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-184-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-228-0x0000000000A30000-0x0000000000ADE000-memory.dmp

Filesize
696KB

Download
memory/2232-218-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2232-189-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-188-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-187-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/2232-186-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4816-245-0x00007FF7EF610000-0x00007FF7EF70A000-memory.dmp

Filesize
1000KB

Download
memory/4816-238-0x0000000000000000-mapping.dmp

Download
memory/4816-242-0x0000025379350000-0x0000025379357000-memory.dmp

Filesize
28KB

Download
memory/4816-247-0x00007FF7EF610000-0x00007FF7EF70A000-memory.dmp

Filesize
1000KB

Download
memory/4816-248-0x00007FF7EF610000-0x00007FF7EF70A000-memory.dmp

Filesize
1000KB

Download
memory/4816-249-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4944-142-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-172-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-147-0x0000000003820000-0x00000000039C4000-memory.dmp

Filesize
1.6MB

Download
memory/4944-148-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-149-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-150-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-151-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-152-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-153-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-154-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-156-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-155-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-157-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-158-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-159-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-160-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-161-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-162-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-163-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-164-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-165-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-166-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-167-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-168-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-169-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-170-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-171-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-146-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-173-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-174-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-175-0x0000000010E20000-0x00000000110F4000-memory.dmp

Filesize
2.8MB

Download
memory/4944-176-0x0000000010E20000-0x00000000110F4000-memory.dmp

Filesize
2.8MB

Download
memory/4944-177-0x0000000003010000-0x0000000003813000-memory.dmp

Filesize
8.0MB

Download
memory/4944-145-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-144-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-143-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-141-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-120-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-140-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-139-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-138-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-136-0x0000000003010000-0x0000000003813000-memory.dmp

Filesize
8.0MB

Download
memory/4944-134-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-133-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-132-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-131-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-130-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-129-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-127-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-128-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-126-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-125-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-124-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-123-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-122-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4944-121-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download