12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b

General

Target

12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe
Size

178KB
MD5

d4df43daed64639edb9d1eeb230b0830
SHA1

d1448cffd82acbb397d29464fec70e2a8dae506a
SHA256

12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b
SHA512

d5d3dbb75da6566925a4c3bd141e86b252c729aec1ba99f03670978adfbeb170eef0cb0f8570573196aaf878a58114dc4702dbd6ec26a5b8e402b2810d91253e
SSDEEP

3072:8VNyggjH8ElZlT5rud6tPWynmNC2mWhZJkbpD7ChfEjCDn8GIs+iUodbK:8VNyggjH8Ez15rFWyn72mwoWhfEjCb8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	Chrome.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
988	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bdf9b570581551d135059f143c5de3a8.exe	Chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bdf9b570581551d135059f143c5de3a8.exe	Chrome.exe

Loads dropped DLL 1 IoCs

pid	Process
1384	12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.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\bdf9b570581551d135059f143c5de3a8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\bdf9b570581551d135059f143c5de3a8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe
Token: 33	1168	Chrome.exe
Token: SeIncBasePriorityPrivilege	1168	Chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1168	1384	12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe	28
PID 1384 wrote to memory of 1168	1384	12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe	28
PID 1384 wrote to memory of 1168	1384	12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe	28
PID 1384 wrote to memory of 1168	1384	12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe	28
PID 1168 wrote to memory of 988	1168	Chrome.exe	29
PID 1168 wrote to memory of 988	1168	Chrome.exe	29
PID 1168 wrote to memory of 988	1168	Chrome.exe	29
PID 1168 wrote to memory of 988	1168	Chrome.exe	29

C:\Users\Admin\AppData\Local\Temp\12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe
"C:\Users\Admin\AppData\Local\Temp\12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\Chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:988

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\Chrome.exe

Filesize
178KB

MD5
d4df43daed64639edb9d1eeb230b0830

SHA1
d1448cffd82acbb397d29464fec70e2a8dae506a

SHA256
12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b

SHA512
d5d3dbb75da6566925a4c3bd141e86b252c729aec1ba99f03670978adfbeb170eef0cb0f8570573196aaf878a58114dc4702dbd6ec26a5b8e402b2810d91253e

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

Filesize
178KB

MD5
d4df43daed64639edb9d1eeb230b0830

SHA1
d1448cffd82acbb397d29464fec70e2a8dae506a

SHA256
12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b

SHA512
d5d3dbb75da6566925a4c3bd141e86b252c729aec1ba99f03670978adfbeb170eef0cb0f8570573196aaf878a58114dc4702dbd6ec26a5b8e402b2810d91253e

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

Filesize
178KB

MD5
d4df43daed64639edb9d1eeb230b0830

SHA1
d1448cffd82acbb397d29464fec70e2a8dae506a

SHA256
12a018430ba7c93f8a9bf45bb4ff7c49380fb0cf64fa4621372d794c78f5a01b

SHA512
d5d3dbb75da6566925a4c3bd141e86b252c729aec1ba99f03670978adfbeb170eef0cb0f8570573196aaf878a58114dc4702dbd6ec26a5b8e402b2810d91253e

Download Submit
memory/1168-63-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1168-66-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1384-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1384-55-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1384-56-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1384-62-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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