3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207

General

Target

3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Size

36KB
MD5

2e5301c5190bee4c4ea97fad9fd86003
SHA1

4c401e6cdf0250d68e30b5137586897a63ff629c
SHA256

3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207
SHA512

8f416ae87c4513d692c8e64e860434cece3118a635ac7187f91621da4217917886add5352ea80826d7000bdebda59ae6cbf02ee109a3b0cb3c9f7279524c1642
SSDEEP

384:Ew/jpHowi33kTwFJ40sBWhlabvdF2t7S9wd5ASc:/lH3i3yAJ8eMFF2pCI2

Score

10^/10

evasion trojan

Malware Config

Signatures

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
1088	k4.exe
4268	k4.exe
1088	k4.exe
4268	k4.exe

Loads dropped DLL 2 IoCs

pid	Process
2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe

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

System Information Discovery
T1082

Kills process with taskkill 2 IoCs

evasion

pid	Process
1004	taskkill.exe
1004	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	taskkill.exe
Token: SeDebugPrivilege	1004	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	83
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	83
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	83
PID 4872 wrote to memory of 1004	4872	cmd.exe	85
PID 4872 wrote to memory of 1004	4872	cmd.exe	85
PID 4872 wrote to memory of 1004	4872	cmd.exe	85
PID 2556 wrote to memory of 1088	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	86
PID 2556 wrote to memory of 1088	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	86
PID 2556 wrote to memory of 4268	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	87
PID 2556 wrote to memory of 4268	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	87
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	88
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	88
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	88
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	172
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	172
PID 2556 wrote to memory of 4872	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	172
PID 4872 wrote to memory of 1004	4872	cmd.exe	174
PID 4872 wrote to memory of 1004	4872	cmd.exe	174
PID 4872 wrote to memory of 1004	4872	cmd.exe	174
PID 2556 wrote to memory of 1088	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	175
PID 2556 wrote to memory of 1088	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	175
PID 2556 wrote to memory of 4268	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	176
PID 2556 wrote to memory of 4268	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	176
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	177
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	177
PID 2556 wrote to memory of 1764	2556	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe	177

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe

C:\Users\Admin\AppData\Local\Temp\3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
"C:\Users\Admin\AppData\Local\Temp\3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2556
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /t /im dllhosts.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /t /im dllhosts.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1004
- C:\Users\Public\Documents\k4.exe
  C:/Users/Public/Documents/k4.exe
  2⤵
  - Executes dropped EXE
  PID:1088
- C:\Users\Public\Documents\k4.exe
  C:/Users/Public/Documents/k4.exe /D
  2⤵
  - Executes dropped EXE
  PID:4268
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /t /im k4.exe
  2⤵
  PID:1764

C:\Users\Admin\AppData\Local\Temp\3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe
"C:\Users\Admin\AppData\Local\Temp\3e4ae86da25de5139204a7961c88c2496cf64a88101c2574f0ea243667691207.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2556
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /t /im dllhosts.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /t /im dllhosts.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1004
- C:\Users\Public\Documents\k4.exe
  C:/Users/Public/Documents/k4.exe
  2⤵
  - Executes dropped EXE
  PID:1088
- C:\Users\Public\Documents\k4.exe
  C:/Users/Public/Documents/k4.exe /D
  2⤵
  - Executes dropped EXE
  PID:4268
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /t /im k4.exe
  2⤵
  PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\Documents\RDSv18.dll

Filesize
44KB

MD5
0a47b35697a401f4471c3f49820dbb76

SHA1
fb2f73e3e79955f3601272d1daa144f64d81547f

SHA256
baafb6435287b35b3f4808958439b6a2aa04aaa9e4ce95d7e46855c874fb1e66

SHA512
89c5808643311d6053a1b9e21948fae07436e1e8d861d520dfc3fa91f078aabb3227ed461ec59e9977e4e6db4840e79d36ee73caab5bfa5cf303a4c6385d38db

Download Submit
C:\Users\Public\Documents\RDSv18.dll

Filesize
44KB

MD5
0a47b35697a401f4471c3f49820dbb76

SHA1
fb2f73e3e79955f3601272d1daa144f64d81547f

SHA256
baafb6435287b35b3f4808958439b6a2aa04aaa9e4ce95d7e46855c874fb1e66

SHA512
89c5808643311d6053a1b9e21948fae07436e1e8d861d520dfc3fa91f078aabb3227ed461ec59e9977e4e6db4840e79d36ee73caab5bfa5cf303a4c6385d38db

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit
C:\Users\Public\Documents\k4.exe

Filesize
892KB

MD5
33e29221e2825001d32f78632217d250

SHA1
9122127fc91790a1edb78003e9b58a9b00355ed5

SHA256
65d0b20a4dc4911fbb91683eb6488d3d3493fa4584bbdfb4e942f203bef0030d

SHA512
01d5c6ded3a83d81371e94fefb1debabb1d003c86ab3cf7145d28fb15fcfd4f8b763f6711f99c5afd9bf90f02a7af993efa5945d4f8bb6a3649b5fd86414ae93

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads