ab77697c50f92371f998ef36a853fa791b188f56722c0aa64bcf39f9d9808b5a

General

Target

Doc20230126.exe
Size

477KB
MD5

447f1d5a645314beb0b1d6b0f2f5119f
SHA1

23ee744fa24aaada6ab0a81166c2f5466d29d502
SHA256

850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
SHA512

2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752
SSDEEP

3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0

Score

7^/10

collection persistence spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Doc20230126.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 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc20230126.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc20230126.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc20230126.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sfrdma = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cffvs\\Sfrdma.exe\""	Doc20230126.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
36	api.ipify.org
37	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4800 set thread context of 3528	4800	Doc20230126.exe	95

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

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
2284	ipconfig.exe
3412	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2196	powershell.exe
2196	powershell.exe
4800	Doc20230126.exe
4800	Doc20230126.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	Doc20230126.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	3528	Doc20230126.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3528	Doc20230126.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 384	4800	Doc20230126.exe	80
PID 4800 wrote to memory of 384	4800	Doc20230126.exe	80
PID 4800 wrote to memory of 384	4800	Doc20230126.exe	80
PID 384 wrote to memory of 3412	384	cmd.exe	82
PID 384 wrote to memory of 3412	384	cmd.exe	82
PID 384 wrote to memory of 3412	384	cmd.exe	82
PID 4800 wrote to memory of 2196	4800	Doc20230126.exe	83
PID 4800 wrote to memory of 2196	4800	Doc20230126.exe	83
PID 4800 wrote to memory of 2196	4800	Doc20230126.exe	83
PID 4800 wrote to memory of 2104	4800	Doc20230126.exe	91
PID 4800 wrote to memory of 2104	4800	Doc20230126.exe	91
PID 4800 wrote to memory of 2104	4800	Doc20230126.exe	91
PID 2104 wrote to memory of 2284	2104	cmd.exe	93
PID 2104 wrote to memory of 2284	2104	cmd.exe	93
PID 2104 wrote to memory of 2284	2104	cmd.exe	93
PID 4800 wrote to memory of 3288	4800	Doc20230126.exe	94
PID 4800 wrote to memory of 3288	4800	Doc20230126.exe	94
PID 4800 wrote to memory of 3288	4800	Doc20230126.exe	94
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95
PID 4800 wrote to memory of 3528	4800	Doc20230126.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc20230126.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Doc20230126.exe

C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe
"C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig/release
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - Gathers network information
    PID:3412
- 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:2196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig/renew
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /renew
    3⤵
    - Gathers network information
    PID:2284
- C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe
  C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe
  2⤵
  PID:3288
- C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe
  C:\Users\Admin\AppData\Local\Temp\Doc20230126.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

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

3

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Doc20230126.exe.log

Filesize
1KB

MD5
13b08803e0bb671919478d178f19d6e2

SHA1
9f8c1d2a16446f9ee1e3244f48d372aecccf4dd9

SHA256
bab001392f6a9fc257a302cf557c9f571c7b352f41aedda14b049976ee5fd1c9

SHA512
2fe208b9958329734a5c6ce6aa526ee20d2c02d351927e75f85f27c2ffdc3c9e3413c17dc6e0dd9eefc3fb379e936b6bef2984a6e44ffafdc7600f590398016f

Download Submit
memory/2196-142-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/2196-137-0x0000000004720000-0x0000000004756000-memory.dmp

Filesize
216KB

Download
memory/2196-138-0x0000000004F30000-0x0000000005558000-memory.dmp

Filesize
6.2MB

Download
memory/2196-139-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/2196-140-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/2196-141-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

Filesize
120KB

Download
memory/2196-143-0x00000000061A0000-0x00000000061BA000-memory.dmp

Filesize
104KB

Download
memory/3528-150-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3528-152-0x0000000007090000-0x000000000709A000-memory.dmp

Filesize
40KB

Download
memory/3528-153-0x0000000007100000-0x0000000007150000-memory.dmp

Filesize
320KB

Download
memory/3528-154-0x00000000073F0000-0x00000000075B2000-memory.dmp

Filesize
1.8MB

Download
memory/4800-145-0x0000000007950000-0x0000000007EF4000-memory.dmp

Filesize
5.6MB

Download
memory/4800-144-0x0000000005D50000-0x0000000005DE2000-memory.dmp

Filesize
584KB

Download
memory/4800-132-0x0000000000A10000-0x0000000000A8C000-memory.dmp

Filesize
496KB

Download
memory/4800-133-0x0000000006A00000-0x0000000006A22000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads