masslogger | e7f93c2a012002bd558069f5d5d7b20ee1df9ecade97d85f6edd9e0b66be0623

Analysis

max time kernel
125s
max time network
121s
platform
windows10_x64
resource
win10v200722
submitted
19/10/2020, 10:40

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General

Target
INV-2994845ORDER.exe
Size 1.6MB
Sample201019-82twlvqw8a
SHA256 e7f93c2a012002bd558069f5d5d7b20ee1df9ecade97d85f6edd9e0b66be0623
MD5 eb32955132709c6d01f1c0ef375f96ad
SHA1 2954b2818ff95a502ca8361d64832e0b46288a73
SHA512 1f7b6033404a5c3a86b80b9e7b39b50bb95b13ae8b39f850d89ab5f6c63b2fdc01fa08ddc27e83d20e7e94ed35c96213c5cdbb21761129acdc7d011dc9cb164f
MD5 SHA1 SHA512

Score

10^/10

spyware stealer masslogger

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 1 IoCs

resource	yara_rule
behavioral2/memory/408-4-0x0000000005DA0000-0x0000000005E21000-memory.dmp	family_masslogger

Executes dropped EXE 1 IoCs

pid	Process
3460	zohomake.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-1-5-21-1400429095-533421673-2598934218-1000\Control Panel\International\Geo\Nation	zohomake.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Control Panel\International\Geo\Nation	INV-2994845ORDER.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
17	api.ipify.org
21	api.ipify.org

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3464	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3964	timeout.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3460	zohomake.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
408	INV-2994845ORDER.exe
3068	powershell.exe
3068	powershell.exe
3068	powershell.exe
3460	zohomake.exe
3460	zohomake.exe
3460	zohomake.exe
3460	zohomake.exe
3460	zohomake.exe
3460	zohomake.exe
404	powershell.exe
404	powershell.exe
404	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	408	INV-2994845ORDER.exe
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	3460	zohomake.exe
Token: SeDebugPrivilege	404	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3460	zohomake.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 3068	408	INV-2994845ORDER.exe	77
PID 408 wrote to memory of 3068	408	INV-2994845ORDER.exe	77
PID 408 wrote to memory of 3068	408	INV-2994845ORDER.exe	77
PID 408 wrote to memory of 208	408	INV-2994845ORDER.exe	79
PID 408 wrote to memory of 208	408	INV-2994845ORDER.exe	79
PID 408 wrote to memory of 208	408	INV-2994845ORDER.exe	79
PID 408 wrote to memory of 2228	408	INV-2994845ORDER.exe	81
PID 408 wrote to memory of 2228	408	INV-2994845ORDER.exe	81
PID 408 wrote to memory of 2228	408	INV-2994845ORDER.exe	81
PID 208 wrote to memory of 3464	208	cmd.exe	83
PID 208 wrote to memory of 3464	208	cmd.exe	83
PID 208 wrote to memory of 3464	208	cmd.exe	83
PID 2228 wrote to memory of 3964	2228	cmd.exe	84
PID 2228 wrote to memory of 3964	2228	cmd.exe	84
PID 2228 wrote to memory of 3964	2228	cmd.exe	84
PID 2228 wrote to memory of 3460	2228	cmd.exe	85
PID 2228 wrote to memory of 3460	2228	cmd.exe	85
PID 2228 wrote to memory of 3460	2228	cmd.exe	85
PID 3460 wrote to memory of 404	3460	zohomake.exe	86
PID 3460 wrote to memory of 404	3460	zohomake.exe	86
PID 3460 wrote to memory of 404	3460	zohomake.exe	86

C:\Users\Admin\AppData\Local\Temp\INV-2994845ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\INV-2994845ORDER.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\INV-2994845ORDER.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn zohomake.exe /tr '"C:\Users\Admin\AppData\Roaming\zohomake\zohomake.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn zohomake.exe /tr '"C:\Users\Admin\AppData\Roaming\zohomake\zohomake.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:3464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp98C6.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3964
- - C:\Users\Admin\AppData\Roaming\zohomake\zohomake.exe
    "C:\Users\Admin\AppData\Roaming\zohomake\zohomake.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3460
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\zohomake\zohomake.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

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

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Downloads

memory/404-63-0x0000000007EB0000-0x0000000007EB1000-memory.dmp

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memory/404-77-0x00000000096E0000-0x00000000096E1000-memory.dmp

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memory/404-55-0x0000000073440000-0x0000000073B2E000-memory.dmp

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memory/404-66-0x00000000087F0000-0x00000000087F1000-memory.dmp

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memory/408-6-0x00000000066B0000-0x00000000066B1000-memory.dmp

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memory/408-9-0x0000000007070000-0x0000000007071000-memory.dmp

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memory/408-7-0x0000000006D20000-0x0000000006D21000-memory.dmp

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memory/408-0-0x0000000073440000-0x0000000073B2E000-memory.dmp

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memory/408-5-0x00000000060A0000-0x00000000060A1000-memory.dmp

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memory/408-4-0x0000000005DA0000-0x0000000005E21000-memory.dmp

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memory/408-3-0x0000000005AF0000-0x0000000005B5A000-memory.dmp

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memory/408-1-0x0000000000E30000-0x0000000000E31000-memory.dmp

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memory/3068-22-0x0000000006E00000-0x0000000006E01000-memory.dmp

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memory/3068-12-0x00000000070B0000-0x00000000070B1000-memory.dmp

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memory/3068-24-0x0000000007EA0000-0x0000000007EA1000-memory.dmp

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memory/3068-10-0x0000000073440000-0x0000000073B2E000-memory.dmp

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memory/3068-21-0x00000000076E0000-0x00000000076E1000-memory.dmp

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memory/3068-11-0x0000000004300000-0x0000000004301000-memory.dmp

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memory/3068-23-0x0000000007D30000-0x0000000007D31000-memory.dmp

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memory/3068-33-0x0000000008E10000-0x0000000008E43000-memory.dmp

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memory/3068-40-0x0000000008DD0000-0x0000000008DD1000-memory.dmp

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memory/3068-41-0x0000000008F40000-0x0000000008F41000-memory.dmp

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memory/3068-42-0x0000000009150000-0x0000000009151000-memory.dmp

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memory/3068-43-0x0000000009030000-0x0000000009031000-memory.dmp

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memory/3068-45-0x0000000007FD0000-0x0000000007FD1000-memory.dmp

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memory/3068-13-0x0000000006E70000-0x0000000006E71000-memory.dmp

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memory/3068-14-0x0000000007010000-0x0000000007011000-memory.dmp

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memory/3460-56-0x00000000068C0000-0x00000000068C1000-memory.dmp

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memory/3460-62-0x00000000068B0000-0x00000000068B1000-memory.dmp

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memory/3460-29-0x0000000073440000-0x0000000073B2E000-memory.dmp

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