80e91c0ded60f7e85fbcba6239d2969c0910be5e0a5107a7f843ed2b30fb0ff9

Analysis

max time kernel
150s
max time network
138s
platform
windows7_x64
resource
win7
submitted
19/07/2020, 19:28

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General

Target
uncategorized_2.0.9.248.vir.exe
Size 135KB
Sample200719-6at96qsrjs
SHA256 80e91c0ded60f7e85fbcba6239d2969c0910be5e0a5107a7f843ed2b30fb0ff9
MD5 e508a8a88e063c26507ec095b57a1f4f
SHA1 bdf10dece5ee332f0fda83a68225441a96036bba
SHA512 84838c5020257ad497dada42be4bdf01dacbbb37c906da466ebcd7184d446b37b34600bff3e8c5946bab9f9decedea814d1ae80bd3da19dd25fd177f30ed838d
MD5 SHA1 SHA512

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 852	1204	uncategorized_2.0.9.248.vir.exe	24
PID 1204 wrote to memory of 852	1204	uncategorized_2.0.9.248.vir.exe	24
PID 1204 wrote to memory of 852	1204	uncategorized_2.0.9.248.vir.exe	24
PID 1204 wrote to memory of 852	1204	uncategorized_2.0.9.248.vir.exe	24
PID 852 wrote to memory of 1112	852	u1om.exe	18
PID 852 wrote to memory of 1112	852	u1om.exe	18
PID 852 wrote to memory of 1112	852	u1om.exe	18
PID 852 wrote to memory of 1112	852	u1om.exe	18
PID 852 wrote to memory of 1112	852	u1om.exe	18
PID 852 wrote to memory of 1216	852	u1om.exe	19
PID 852 wrote to memory of 1216	852	u1om.exe	19
PID 852 wrote to memory of 1216	852	u1om.exe	19
PID 852 wrote to memory of 1216	852	u1om.exe	19
PID 852 wrote to memory of 1216	852	u1om.exe	19
PID 852 wrote to memory of 1276	852	u1om.exe	20
PID 852 wrote to memory of 1276	852	u1om.exe	20
PID 852 wrote to memory of 1276	852	u1om.exe	20
PID 852 wrote to memory of 1276	852	u1om.exe	20
PID 852 wrote to memory of 1276	852	u1om.exe	20
PID 852 wrote to memory of 1204	852	u1om.exe	23
PID 852 wrote to memory of 1204	852	u1om.exe	23
PID 852 wrote to memory of 1204	852	u1om.exe	23
PID 852 wrote to memory of 1204	852	u1om.exe	23
PID 852 wrote to memory of 1204	852	u1om.exe	23
PID 852 wrote to memory of 1428	852	u1om.exe	25
PID 852 wrote to memory of 1428	852	u1om.exe	25
PID 852 wrote to memory of 1428	852	u1om.exe	25
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 1204 wrote to memory of 1864	1204	uncategorized_2.0.9.248.vir.exe	26
PID 852 wrote to memory of 1932	852	u1om.exe	28
PID 852 wrote to memory of 1932	852	u1om.exe	28
PID 852 wrote to memory of 1932	852	u1om.exe	28
PID 852 wrote to memory of 1932	852	u1om.exe	28
PID 852 wrote to memory of 1932	852	u1om.exe	28
PID 852 wrote to memory of 2032	852	u1om.exe	29
PID 852 wrote to memory of 2032	852	u1om.exe	29
PID 852 wrote to memory of 2032	852	u1om.exe	29
PID 852 wrote to memory of 2032	852	u1om.exe	29
PID 852 wrote to memory of 2032	852	u1om.exe	29

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe
852	u1om.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Privacy	uncategorized_2.0.9.248.vir.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	uncategorized_2.0.9.248.vir.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\Currentversion\Run	u1om.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\{1431F7A9-A457-E636-85A2-61BB0055B013} = "C:\\Users\\Admin\\AppData\\Roaming\\Q89w\\u1om.exe"	u1om.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1428	WinMail.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 1864	1204	uncategorized_2.0.9.248.vir.exe	26

Deletes itself 1 IoCs

pid	Process
1864	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1204	uncategorized_2.0.9.248.vir.exe
Token: SeManageVolumePrivilege	1428	WinMail.exe

Loads dropped DLL 2 IoCs

pid	Process
1204	uncategorized_2.0.9.248.vir.exe
1204	uncategorized_2.0.9.248.vir.exe

Executes dropped EXE 1 IoCs

pid	Process
852	u1om.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1428	WinMail.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1428	WinMail.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\131A2CEC-00000001.eml:OECustomProperty	WinMail.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1216

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1276
- C:\Users\Admin\AppData\Local\Temp\uncategorized_2.0.9.248.vir.exe
  "C:\Users\Admin\AppData\Local\Temp\uncategorized_2.0.9.248.vir.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  - Modifies Internet Explorer settings
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Loads dropped DLL
  PID:1204
- - C:\Users\Admin\AppData\Roaming\Q89w\u1om.exe
    "C:\Users\Admin\AppData\Roaming\Q89w\u1om.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    - Suspicious behavior: EnumeratesProcesses
    - Adds Run key to start application
    - Executes dropped EXE
    PID:852
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp59b1aaa9.bat"
    3⤵
    - Deletes itself
    PID:1864

C:\Program Files\Windows Mail\WinMail.exe
"C:\Program Files\Windows Mail\WinMail.exe" -Embedding
1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of FindShellTrayWindow
- NTFS ADS
PID:1428

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1932

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1428-5-0x00000000038E0000-0x00000000039E0000-memory.dmp

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memory/1428-7-0x00000000038E0000-0x0000000003AE0000-memory.dmp

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memory/1428-9-0x00000000038E0000-0x00000000039E0000-memory.dmp

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memory/1428-10-0x00000000038E0000-0x0000000003AE0000-memory.dmp

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memory/1428-11-0x00000000039E0000-0x0000000003AE0000-memory.dmp

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memory/1428-15-0x0000000002550000-0x0000000002552000-memory.dmp

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memory/1428-16-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

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memory/1428-17-0x0000000003AE0000-0x0000000003AE2000-memory.dmp

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memory/1428-18-0x0000000003C40000-0x0000000003C42000-memory.dmp

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memory/1428-19-0x0000000002550000-0x0000000002552000-memory.dmp

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memory/1428-20-0x0000000003EE0000-0x0000000003EE2000-memory.dmp

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memory/1428-21-0x0000000003C90000-0x0000000003C92000-memory.dmp

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memory/1428-22-0x0000000002550000-0x0000000002552000-memory.dmp

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memory/1428-23-0x0000000003CA0000-0x0000000003CA2000-memory.dmp

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memory/1428-24-0x0000000004080000-0x0000000004082000-memory.dmp

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memory/1428-25-0x0000000004190000-0x0000000004192000-memory.dmp

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memory/1428-26-0x00000000041B0000-0x00000000041B2000-memory.dmp

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memory/1428-27-0x00000000044A0000-0x00000000044A2000-memory.dmp

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memory/1428-28-0x0000000004670000-0x0000000004672000-memory.dmp

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memory/1428-29-0x0000000003CA0000-0x0000000003CA2000-memory.dmp

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memory/1428-30-0x0000000004080000-0x0000000004082000-memory.dmp

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memory/1428-31-0x00000000044A0000-0x00000000044A2000-memory.dmp

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memory/1428-32-0x0000000004240000-0x0000000004242000-memory.dmp

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memory/1428-33-0x00000000044C0000-0x00000000044C2000-memory.dmp

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memory/1428-34-0x0000000004670000-0x0000000004672000-memory.dmp

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memory/1428-35-0x0000000003CA0000-0x0000000003CA2000-memory.dmp

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memory/1428-36-0x00000000045D0000-0x00000000045D2000-memory.dmp

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memory/1428-37-0x0000000003CC0000-0x0000000003CC2000-memory.dmp

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memory/1428-38-0x0000000003D10000-0x0000000003D12000-memory.dmp

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memory/1428-39-0x00000000040B0000-0x00000000040B2000-memory.dmp

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memory/1428-41-0x0000000003D00000-0x0000000003D02000-memory.dmp

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memory/1428-40-0x00000000040A0000-0x00000000040A2000-memory.dmp

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memory/1428-42-0x0000000003CB0000-0x0000000003CB2000-memory.dmp

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memory/1428-43-0x0000000004000000-0x0000000004002000-memory.dmp

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memory/1428-44-0x0000000004010000-0x0000000004012000-memory.dmp

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memory/1428-45-0x0000000003C50000-0x0000000003C52000-memory.dmp

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memory/1428-46-0x00000000040C0000-0x00000000040C2000-memory.dmp

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memory/1428-47-0x0000000003D10000-0x0000000003D12000-memory.dmp

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memory/1428-48-0x0000000003D30000-0x0000000003D32000-memory.dmp

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memory/1428-49-0x0000000004090000-0x0000000004092000-memory.dmp

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memory/1428-50-0x00000000038E0000-0x00000000039E0000-memory.dmp

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memory/1428-52-0x00000000023A0000-0x00000000023B0000-memory.dmp

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memory/1428-58-0x00000000021B0000-0x00000000021C0000-memory.dmp

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memory/1864-64-0x0000000000050000-0x0000000000076000-memory.dmp

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