f497fcc25b5e1992ed5e9887363049dcf2163b91bc0eef4a66755ae6ff5283db

General

Target

Exitlag (infected).zip
Size

958KB
MD5

b45796f1bd592d9b6b8c224fe289a712
SHA1

aa2f9b451b5d8d52d2f562bfd6da3d366d936179
SHA256

f497fcc25b5e1992ed5e9887363049dcf2163b91bc0eef4a66755ae6ff5283db
SHA512

4b7494690fc117e40805d043a400c5f49b3f045880befaec0e12d4a408559146ae3b71c8a4415b493d8e42edf13c4216800a7ceabbb9a4dc0c6e245e265d1ea1
SSDEEP

24576:YTY95kYpQrbsS6VAFlyhBup/nrqs70XOddXf:YTY95kYpqsSIAF8L0/rT0edlf

Score

8^/10

execution persistence

Malware Config

Signatures

Downloads MZ/PE file

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Exitlag.exe

Executes dropped EXE 3 IoCs

pid	Process
3944	Exitlag.exe
3288	butty.exe
4520	butty.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinDiesel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\copied_self.exe"	butty.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3624	powershell.exe
3984	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3288 set thread context of 4520	3288	butty.exe	109

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3624	powershell.exe
3624	powershell.exe
3984	powershell.exe
3984	powershell.exe
3984	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4996	7zFM.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeRestorePrivilege	4996	7zFM.exe
Token: 35	4996	7zFM.exe
Token: SeSecurityPrivilege	4996	7zFM.exe
Token: SeDebugPrivilege	3624	powershell.exe
Token: SeDebugPrivilege	3984	powershell.exe
Token: SeDebugPrivilege	3944	Exitlag.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4996	7zFM.exe
4996	7zFM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4520	butty.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 3624	3944	Exitlag.exe	99
PID 3944 wrote to memory of 3624	3944	Exitlag.exe	99
PID 3944 wrote to memory of 3984	3944	Exitlag.exe	104
PID 3944 wrote to memory of 3984	3944	Exitlag.exe	104
PID 3944 wrote to memory of 3288	3944	Exitlag.exe	108
PID 3944 wrote to memory of 3288	3944	Exitlag.exe	108
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109
PID 3288 wrote to memory of 4520	3288	butty.exe	109

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Exitlag (infected).zip"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4996

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3600

C:\Users\Admin\Desktop\Exitlag\Exitlag.exe
"C:\Users\Admin\Desktop\Exitlag\Exitlag.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "Set-MpPreference -DisableRealtimeMonitoring $true"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3624
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "Set-MpPreference -UILockdown $true"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3984
- C:\Users\Admin\AppData\Local\Temp\butty.exe
  "C:\Users\Admin\AppData\Local\Temp\butty.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3288
- - C:\Users\Admin\AppData\Local\Temp\butty.exe
    "C:\Users\Admin\AppData\Local\Temp\butty.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetWindowsHookEx
    PID:4520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x0vkqef5.llh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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C:\Users\Admin\AppData\Local\Temp\butty.exe

Filesize
3.1MB

MD5
3c3a898442526b47ad166a3774263e3e

SHA1
3e468fdc7ca16461f934559391d70b7296693d97

SHA256
5be48844ce2ddefeac5d05580d420cb64990e82e89504b930cfb30962a5ce441

SHA512
22ccaed307c4a2ab16ab3eb1dc00deff233f3d734730193d65c2a52bb208da8ab68c98e4605b3846c28fcc6b0106e5e2e31c52161d073e6eae75cd955beb89fd

Download Submit
memory/3624-27-0x000001FE286F0000-0x000001FE28712000-memory.dmp

Filesize
136KB

Download
memory/3944-24-0x00007FFCD2AB3000-0x00007FFCD2AB5000-memory.dmp

Filesize
8KB

Download
memory/3944-26-0x00007FFCD2AB0000-0x00007FFCD3571000-memory.dmp

Filesize
10.8MB

Download
memory/3944-25-0x000001D6F06C0000-0x000001D6F4DEA000-memory.dmp

Filesize
71.2MB

Download
memory/3944-66-0x00007FFCD2AB0000-0x00007FFCD3571000-memory.dmp

Filesize
10.8MB

Download
memory/4520-59-0x0000000140000000-0x0000000140080000-memory.dmp

Filesize
512KB

Download
memory/4520-63-0x0000000140000000-0x0000000140080000-memory.dmp

Filesize
512KB

Download
memory/4520-61-0x0000000140000000-0x0000000140080000-memory.dmp

Filesize
512KB

Download
memory/4520-64-0x0000000140000000-0x0000000140080000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads