efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

Analysis

max time kernel
243s
max time network
216s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 10:01

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General

Target

efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe
Size

37KB
MD5

0838eeadde00e52893d0495e2aee4237
SHA1

025f0560461c8712434c388a4b4a9d0480f1ae81
SHA256

efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385
SHA512

a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2
SSDEEP

768:gYX9JxV7uMBw43PkR4w2B834D4eQy1bXlJTS:rX9JHDNbBm4DlRTS

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Trojan.exe

pid process

1276 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1648 netsh.exe

pid	process
1648	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\c7192e982641757f14f66356bb4cf303 = "\"C:\\Users\\Admin\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c7192e982641757f14f66356bb4cf303 = "\"C:\\Users\\Admin\\Trojan.exe\" .."	Trojan.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 21 IoCs

Processes:

Trojan.exe

pid	process
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe
1276	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 1276 Trojan.exe

description	pid	process
Token: SeDebugPrivilege	1276	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exeTrojan.exe

description	pid	process	target process
PID 468 wrote to memory of 1276	468	efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe	Trojan.exe
PID 468 wrote to memory of 1276	468	efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe	Trojan.exe
PID 468 wrote to memory of 1276	468	efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe	Trojan.exe
PID 1276 wrote to memory of 1648	1276	Trojan.exe	netsh.exe
PID 1276 wrote to memory of 1648	1276	Trojan.exe	netsh.exe
PID 1276 wrote to memory of 1648	1276	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe
"C:\Users\Admin\AppData\Local\Temp\efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:468

C:\Users\Admin\Trojan.exe
"C:\Users\Admin\Trojan.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\Trojan.exe" "Trojan.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Trojan.exe

Filesize
37KB

MD5
0838eeadde00e52893d0495e2aee4237

SHA1
025f0560461c8712434c388a4b4a9d0480f1ae81

SHA256
efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

SHA512
a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2

Download Submit
C:\Users\Admin\Trojan.exe

Filesize
37KB

MD5
0838eeadde00e52893d0495e2aee4237

SHA1
025f0560461c8712434c388a4b4a9d0480f1ae81

SHA256
efcb1a1d587c800d840f46183965c56c2ed68a7ee3db74b08bec0f56b4d5a385

SHA512
a733119a9af08daaf5ff77b7410430f9b88f5f5425e77417aeecac0302ed0168e21b82df661f22eb81a7f5bfc66259589e2ace18f98c2bc1e05e60160203bcd2

Download Submit
memory/468-54-0x000007FEF3180000-0x000007FEF3BA3000-memory.dmp

Filesize
10.1MB

Download
memory/468-55-0x000007FEF1C90000-0x000007FEF2D26000-memory.dmp

Filesize
16.6MB

Download
memory/468-56-0x000007FEFB691000-0x000007FEFB693000-memory.dmp

Filesize
8KB

Download
memory/1276-57-0x0000000000000000-mapping.dmp

Download
memory/1276-60-0x000007FEF2FF0000-0x000007FEF3A13000-memory.dmp

Filesize
10.1MB

Download
memory/1276-61-0x000007FEF1B00000-0x000007FEF2B96000-memory.dmp

Filesize
16.6MB

Download
memory/1276-64-0x0000000000BA6000-0x0000000000BC5000-memory.dmp

Filesize
124KB

Download
memory/1276-65-0x0000000000BA6000-0x0000000000BC5000-memory.dmp

Filesize
124KB

Download
memory/1648-62-0x0000000000000000-mapping.dmp

Download