b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a

General

Target

b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe
Size

306KB
MD5

efd8015de0470434ce85ba7276790bdc
SHA1

83ab94a198e3aa6a15601af181dc4aa4ec16ed28
SHA256

b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a
SHA512

d9c0c949b70824fadd599f5156fda721bf7b765452b6f8be6c8ad994ed8fb61c168a13043f93ef18305ede5f6b831ee21fa5a320ecd57ff4b929e5b38ba5e378
SSDEEP

6144:MW57hEh0jrC9D0mkFYKFc1eOOhszmzwn8429:M47scbLyHzzB84a

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1652	tgfg.exe
1512	file.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
780	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1052b8e9071d5b658c32c84c463014f5.exe	file.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1052b8e9071d5b658c32c84c463014f5.exe	file.exe

Loads dropped DLL 1 IoCs

pid	Process
956	b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\1052b8e9071d5b658c32c84c463014f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe\" .."	file.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1052b8e9071d5b658c32c84c463014f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe\" .."	file.exe

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 1 IoCs

pid	Process
1512	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	file.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1856	DllHost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 1652	956	b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe	28
PID 956 wrote to memory of 1652	956	b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe	28
PID 956 wrote to memory of 1652	956	b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe	28
PID 956 wrote to memory of 1652	956	b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe	28
PID 1652 wrote to memory of 1512	1652	tgfg.exe	29
PID 1652 wrote to memory of 1512	1652	tgfg.exe	29
PID 1652 wrote to memory of 1512	1652	tgfg.exe	29
PID 1512 wrote to memory of 780	1512	file.exe	30
PID 1512 wrote to memory of 780	1512	file.exe	30
PID 1512 wrote to memory of 780	1512	file.exe	30

C:\Users\Admin\AppData\Local\Temp\b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe
"C:\Users\Admin\AppData\Local\Temp\b19cbfe8ad26d44bc346c3251430ae954db72c05ece59f67af4dc2a90142147a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:956
- C:\Users\Admin\AppData\Local\Temp\tgfg.exe
  "C:\Users\Admin\AppData\Local\Temp\tgfg.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1512
  - - C:\Windows\system32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\file.exe" "file.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:780

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
118KB

MD5
bd312b0fb25148103a6ff8b0b558684b

SHA1
2a7173880896ca32f56e1affb26a7a1f40adc6f6

SHA256
384ab1a38c4be14d129e37b01ab9356501ce9454b1d45a20c7c0eea277fdf54f

SHA512
66d6a5077a280cd707b2e2742c12f8bed8c2c63aae78cb3847e24eb12c9adf16b12cfafeddfc0e6eeae2db6baa65ef4ccc1f7121285d6ea71c2af3630e7f8bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.exe

Filesize
118KB

MD5
bd312b0fb25148103a6ff8b0b558684b

SHA1
2a7173880896ca32f56e1affb26a7a1f40adc6f6

SHA256
384ab1a38c4be14d129e37b01ab9356501ce9454b1d45a20c7c0eea277fdf54f

SHA512
66d6a5077a280cd707b2e2742c12f8bed8c2c63aae78cb3847e24eb12c9adf16b12cfafeddfc0e6eeae2db6baa65ef4ccc1f7121285d6ea71c2af3630e7f8bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nono.jpeg

Filesize
65KB

MD5
e29be66572389be9fb208ecb5ce79733

SHA1
948d87871e0d04fd2cfc32f6cf710f7d2946bef8

SHA256
106cbedc507a729c9492b43471bc8716453d416e2a8c7a70e5f36086119aa6e3

SHA512
6f7001e08a07afa578d0e4ed19b53819cff398de877fd8da1afc89b0d930d430c56898737753d38b7f92c5624483739a3068a46452c9cc93ac94df4e6518d988

Download Submit
C:\Users\Admin\AppData\Local\Temp\tgfg.exe

Filesize
118KB

MD5
bd312b0fb25148103a6ff8b0b558684b

SHA1
2a7173880896ca32f56e1affb26a7a1f40adc6f6

SHA256
384ab1a38c4be14d129e37b01ab9356501ce9454b1d45a20c7c0eea277fdf54f

SHA512
66d6a5077a280cd707b2e2742c12f8bed8c2c63aae78cb3847e24eb12c9adf16b12cfafeddfc0e6eeae2db6baa65ef4ccc1f7121285d6ea71c2af3630e7f8bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tgfg.exe

Filesize
118KB

MD5
bd312b0fb25148103a6ff8b0b558684b

SHA1
2a7173880896ca32f56e1affb26a7a1f40adc6f6

SHA256
384ab1a38c4be14d129e37b01ab9356501ce9454b1d45a20c7c0eea277fdf54f

SHA512
66d6a5077a280cd707b2e2742c12f8bed8c2c63aae78cb3847e24eb12c9adf16b12cfafeddfc0e6eeae2db6baa65ef4ccc1f7121285d6ea71c2af3630e7f8bd5

Download Submit
\Users\Admin\AppData\Local\Temp\tgfg.exe

Filesize
118KB

MD5
bd312b0fb25148103a6ff8b0b558684b

SHA1
2a7173880896ca32f56e1affb26a7a1f40adc6f6

SHA256
384ab1a38c4be14d129e37b01ab9356501ce9454b1d45a20c7c0eea277fdf54f

SHA512
66d6a5077a280cd707b2e2742c12f8bed8c2c63aae78cb3847e24eb12c9adf16b12cfafeddfc0e6eeae2db6baa65ef4ccc1f7121285d6ea71c2af3630e7f8bd5

Download Submit
memory/956-54-0x00000000753D1000-0x00000000753D3000-memory.dmp

Filesize
8KB

Download
memory/1512-65-0x000007FEF3CD0000-0x000007FEF46F3000-memory.dmp

Filesize
10.1MB

Download
memory/1512-66-0x000007FEF23F0000-0x000007FEF3486000-memory.dmp

Filesize
16.6MB

Download
memory/1512-71-0x0000000002007000-0x0000000002026000-memory.dmp

Filesize
124KB

Download
memory/1652-61-0x000007FEFBBA1000-0x000007FEFBBA3000-memory.dmp

Filesize
8KB

Download
memory/1652-60-0x000007FEF23F0000-0x000007FEF3486000-memory.dmp

Filesize
16.6MB

Download
memory/1652-59-0x000007FEF3CD0000-0x000007FEF46F3000-memory.dmp

Filesize
10.1MB

Download

Analysis

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