4687334c1de102b96d6f0f34ccbfc3aa07465c4d2c4cb328cc3808794b607732

General

Target

INV-0097H.exe
Size

6KB
MD5

4a63e62a75447c399f717fd40805ada8
SHA1

72a8c04321d4547c02464151ff585e5989d04d13
SHA256

f5ee72bc3ed7127fdea098689d11b7c18f9bb5debbab5e4f5b0293b8017692e0
SHA512

28ac8303385ad8888afee696bea516a2bc88dac8a857f67ef6640d7ed0363b596d048f21973dc933e35b9167948ec515a92a68b27e0901cb90aaf1212caff78c
SSDEEP

96:zHdkMfcSBSGjmHCJoFAD4PF9MxM/bRrkQIOLFnU:zH9lkCql99MxMDRAwu

Score

10^/10

collection persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.aewwholesale.com
Port:
2525
Username:
[email protected]
Password:
clgn6qPzaP

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3036	systemUpdate.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	INV-0097H.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	INV-0097H.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	systemUpdate.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV-0097H.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV-0097H.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV-0097H.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	systemUpdate.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	systemUpdate.exe

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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssnet = "C:\\Users\\Admin\\AppData\\Roaming\\ssnet\\ssnet.exe"	systemUpdate.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	api.ipify.org
23	api.ipify.org
32	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1952 set thread context of 1804	1952	INV-0097H.exe	90

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
484	powershell.exe
484	powershell.exe
1952	INV-0097H.exe
1952	INV-0097H.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
3036	systemUpdate.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	INV-0097H.exe
Token: SeDebugPrivilege	484	powershell.exe
Token: SeDebugPrivilege	1804	INV-0097H.exe
Token: SeDebugPrivilege	3036	systemUpdate.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1804	INV-0097H.exe
3036	systemUpdate.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 484	1952	INV-0097H.exe	81
PID 1952 wrote to memory of 484	1952	INV-0097H.exe	81
PID 1952 wrote to memory of 484	1952	INV-0097H.exe	81
PID 1952 wrote to memory of 4248	1952	INV-0097H.exe	89
PID 1952 wrote to memory of 4248	1952	INV-0097H.exe	89
PID 1952 wrote to memory of 4248	1952	INV-0097H.exe	89
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1952 wrote to memory of 1804	1952	INV-0097H.exe	90
PID 1804 wrote to memory of 3036	1804	INV-0097H.exe	92
PID 1804 wrote to memory of 3036	1804	INV-0097H.exe	92
PID 1804 wrote to memory of 3036	1804	INV-0097H.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	systemUpdate.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	systemUpdate.exe

C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe
"C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:484
- C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe
  C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe
  2⤵
  PID:4248
- C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe
  C:\Users\Admin\AppData\Local\Temp\INV-0097H.exe
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\systemUpdate.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\systemUpdate.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: SetClipboardViewer
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:3036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\INV-0097H.exe.log

Filesize
1KB

MD5
3a9188331a78f1dbce606db64b841fcb

SHA1
8e2c99b7c477d06591a856a4ea3e1e214719eee8

SHA256
db4137e258a0f6159fda559a5f6dd2704be0582c3f0586f65040c7ad1eb68451

SHA512
d1a994610a045d89d5d306866c24ae56bf16555414b8f63f632552568e67b5586f26d5a17a1f0a55ada376730298e6d856e9161828d4eae9decfa4e015e0e90a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\systemUpdate.exe

Filesize
168KB

MD5
e227008928b6ea25583ff1cbfc5b3e45

SHA1
d84ea8820ed5d6bbbe4404e46df4f66ac458e56f

SHA256
a9745e367e2c1fcd95322751ebc34fc89c8e3494e17c9ef1d9ce686b2dc3b68f

SHA512
cd49f586c6ae5e6d9135a5f434e72ed49c27660343befe93449d0c536520e47effaa17a7e249959f722369973eaad5ee5f7e8479ba10eb7e9de203f8982d9ad0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\systemUpdate.exe

Filesize
168KB

MD5
e227008928b6ea25583ff1cbfc5b3e45

SHA1
d84ea8820ed5d6bbbe4404e46df4f66ac458e56f

SHA256
a9745e367e2c1fcd95322751ebc34fc89c8e3494e17c9ef1d9ce686b2dc3b68f

SHA512
cd49f586c6ae5e6d9135a5f434e72ed49c27660343befe93449d0c536520e47effaa17a7e249959f722369973eaad5ee5f7e8479ba10eb7e9de203f8982d9ad0

Download Submit
memory/484-138-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/484-135-0x0000000004670000-0x00000000046A6000-memory.dmp

Filesize
216KB

Download
memory/484-137-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/484-139-0x0000000005C90000-0x0000000005CAE000-memory.dmp

Filesize
120KB

Download
memory/484-140-0x00000000072C0000-0x000000000793A000-memory.dmp

Filesize
6.5MB

Download
memory/484-141-0x0000000006170000-0x000000000618A000-memory.dmp

Filesize
104KB

Download
memory/484-136-0x0000000004DB0000-0x00000000053D8000-memory.dmp

Filesize
6.2MB

Download
memory/1804-146-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/1804-144-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1804-147-0x0000000006FF0000-0x0000000007082000-memory.dmp

Filesize
584KB

Download
memory/1804-148-0x0000000007730000-0x000000000773A000-memory.dmp

Filesize
40KB

Download
memory/1804-153-0x00000000070E0000-0x0000000007130000-memory.dmp

Filesize
320KB

Download
memory/1804-154-0x0000000007930000-0x0000000007AF2000-memory.dmp

Filesize
1.8MB

Download
memory/1804-155-0x0000000007800000-0x000000000789C000-memory.dmp

Filesize
624KB

Download
memory/1952-132-0x00000000000D0000-0x00000000000D8000-memory.dmp

Filesize
32KB

Download
memory/1952-133-0x0000000006140000-0x0000000006162000-memory.dmp

Filesize
136KB

Download
memory/3036-152-0x0000000000590000-0x00000000005C0000-memory.dmp

Filesize
192KB

Download

Analysis

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