f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438

General

Target

f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
Size

3.8MB
MD5

ca940ba23a365839caa3091ce3d47219
SHA1

6becb2dc6f5230a66e2840d801d34034e0216c92
SHA256

f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438
SHA512

021abcfd4a524ec6c912f82a50d69582315f96773cdbbb2d2b723ffae6911eda31916d40fb1055cc3e3be57a109f6294fed76f735bf0bb3fdece38ed1acd50e9
SSDEEP

98304:sa/l7xGEPRfn8N/U7XXA5R/rNMH7N6DwHVSNlqk4WuJ:X/ldFPxn8K7nAXrN6VHklqk4/

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	1552	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
1552	rundll32.exe
1552	rundll32.exe
1552	rundll32.exe
1552	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

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\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 5 IoCs

pid	Process
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1504	InstallUtil.exe
1504	InstallUtil.exe
1504	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27

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

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 7 IoCs

pid	Process
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
1552	rundll32.exe
1552	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1672 wrote to memory of 1504	1672	f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe	27
PID 1504 wrote to memory of 1552	1504	InstallUtil.exe	28
PID 1504 wrote to memory of 1552	1504	InstallUtil.exe	28
PID 1504 wrote to memory of 1552	1504	InstallUtil.exe	28
PID 1504 wrote to memory of 1552	1504	InstallUtil.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe
"C:\Users\Admin\AppData\Local\Temp\f79c90eda6c8ea21e60f6a8a707e758513e13e0081258606b0a4750a0af0e438.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- 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:1504
- - C:\Windows\system32\rundll32.exe
    "C:\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBXAAS+8AdgBQOQA1AHi|ADcAMABHOwBC8wB0SQAtAVlIg+z|KOgEAgAASIP|xCjDzMzMTIn|RCQYSIlUJBDfSIlMJAhZAUiLf0QkMEiJBCR9Afs4SGsACEjHRCTtEC0B6w59ARBIg+vAAYsBEH0BQEg59pIAcyWbA4sMJEj|A8hIi8FIi0z6pwFUdwAD0UiLyr+KCYgI68FiBWXfSIsEJWDz8DPJ|0iLUBhIO9F0|zZIg8IgSIsC|0g7wnQqZoN4|0gYdRpMi0BQf2ZBgzhrdAcNEfdLdQgNEHgQLnT|BUiLAOvVSIv1SPkAwWYAQFNVVv9XQVRBVUFWQf1XWQFmgTlNWk3|i|hMi|JIi9n3D4X88|BMY0k8|0GBPAlQRQAA9w+F6vPwQYuECf2I8|CFwEiNPAH3D4TWZhGDvAmM7i0BD4TH8|BEi2f|IESLXxyLdyT|RItPGEwD4Uz|A9lIA|EzyUXfhckPhKTz8E2L|8RBixBFM9JI|wPTigKEwHQdf0HByg0PvsD2AO8BRAPQuxF17EH|gfqq|A18dA7|g8EBSYPABEH|O8lzaevGi8H|D7cMTkWLLIt|TAPrdFgz7aYQ33RRQYsUvQDTM||JigJMi8LrD9vBycQRA8jhEAFB+4oA0RDtM8Az9s9BOwy23BCiAIPG|wGD+Ahy7usK|0iLy0H|1UmJ7wT3g8XgEMQEO+9vGHKvYgFBX0H|XkFdQVxfXl19Wy8XSIHsYAFgAP+L6ehm|v||SN+FwA+EmXEgTI36qwGLJxDIM||om|55II1fBEyNRUL|M9KLy|9UJGh+fCBMi+APhGxxIL1FpBAzwIvTjSBIr4l8JCCiIHB8IEifi|APhExxIKIgUP9IjVYIRI1HQO9IjYwkgRFIi9h36Hz9eiCNVkjaILUQ3iHM8|DoZ+sgRJ+LBo1XCD0goiBYXsYhiYQkgIMS3fPwe4sO1iBYiYwkbRHsAzCNIOgx6yBMi113OousKTJIi5wWMv9MiWQkOESNZ99sSTvsSIYgMEy7iVyAAYQk3IMRhumO4yHfIPCsE0iL07fo5|wBMIqcczJI+42EczJBgPMhSd+LzEQwGKACg+nfAXXzgbxzMiFS|2V4dUqLhCT07h4xlCT48|ADwkj|O+hyNUE71Hb|MESNSUBJK9SnQbgAlACiIEDGIvjndBdEtDC+MUiNU31sjSBNK8TobIAw90iLzqIgeEiF|+d0FEyMMBcxSI1M7yRAugPz8P|XSDOBxHAhXSQAAA==
    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:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_uns6c52d2.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
memory/1504-71-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-84-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-73-0x0000000000140000-0x000000000015D000-memory.dmp

Filesize
116KB

Download
memory/1504-72-0x0000000000100000-0x000000000011A000-memory.dmp

Filesize
104KB

Download
memory/1504-63-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-65-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-85-0x0000000000140000-0x000000000015D000-memory.dmp

Filesize
116KB

Download
memory/1504-80-0x0000000002540000-0x0000000003540000-memory.dmp

Filesize
16.0MB

Download
memory/1504-70-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1552-83-0x000007FFFFEB0000-0x000007FFFFFA3000-memory.dmp

Filesize
972KB

Download
memory/1552-86-0x000007FFFFEB0000-0x000007FFFFFA3000-memory.dmp

Filesize
972KB

Download
memory/1552-87-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/1552-82-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1552-81-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

Filesize
8KB

Download
memory/1672-69-0x0000000003D50000-0x0000000003EC5000-memory.dmp

Filesize
1.5MB

Download
memory/1672-56-0x0000000000400000-0x0000000000F60000-memory.dmp

Filesize
11.4MB

Download
memory/1672-55-0x0000000003770000-0x0000000003D50000-memory.dmp

Filesize
5.9MB

Download
memory/1672-57-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/1672-58-0x0000000003770000-0x0000000003D50000-memory.dmp

Filesize
5.9MB

Download
memory/1672-59-0x0000000003D50000-0x0000000003EC5000-memory.dmp

Filesize
1.5MB

Download
memory/1672-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1672-60-0x0000000003D50000-0x0000000003EC5000-memory.dmp

Filesize
1.5MB

Download
memory/1672-67-0x0000000000400000-0x0000000000F60000-memory.dmp

Filesize
11.4MB

Download
memory/1672-62-0x000000000E680000-0x000000000E902000-memory.dmp

Filesize
2.5MB

Download
memory/1672-61-0x000000000E680000-0x000000000E902000-memory.dmp

Filesize
2.5MB

Download

Analysis

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