803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465

General

Target

803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe
Size

178KB
MD5

3ee184d119f1f6957c05b6aa451b84ef
SHA1

b3f04a409242342be4c2d0b30ae589f845c33c67
SHA256

803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465
SHA512

8eef5bcc9697608b424c944f2c4496e108af75e29515c55e9e09e0222d56d5469f56b0a15278c9f0aa12e25ce83d8f9cf477f02a606ad7d652f0767c758dc22d
SSDEEP

3072:f837qeyMERRRRRARRRRRNSCZHJoCnRaw9sFXICRPEeruZlx+EgGCH:UeeyLRRRRRARRRRRUUoCRaF3RPEeQx+T

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1884	tmpF7E7.tmp.exe
1760	server.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe	tmpF7E7.tmp.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe	tmpF7E7.tmp.exe

Loads dropped DLL 1 IoCs

pid	Process
1884	tmpF7E7.tmp.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\server-scren = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\server.exe"	tmpF7E7.tmp.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 2 IoCs

pid	Process
1760	server.exe
1760	server.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe
Token: SeDebugPrivilege	1884	tmpF7E7.tmp.exe
Token: SeDebugPrivilege	1760	server.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1884	tmpF7E7.tmp.exe
1760	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1884	1648	803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe	28
PID 1648 wrote to memory of 1884	1648	803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe	28
PID 1648 wrote to memory of 1884	1648	803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe	28
PID 1648 wrote to memory of 1884	1648	803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe	28
PID 1884 wrote to memory of 1760	1884	tmpF7E7.tmp.exe	29
PID 1884 wrote to memory of 1760	1884	tmpF7E7.tmp.exe	29
PID 1884 wrote to memory of 1760	1884	tmpF7E7.tmp.exe	29
PID 1884 wrote to memory of 1760	1884	tmpF7E7.tmp.exe	29

C:\Users\Admin\AppData\Local\Temp\803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe
"C:\Users\Admin\AppData\Local\Temp\803bab3ce1caef148bcf469811fef3c5c7d1e780c4d44abe2ade82a41641d465.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\tmpF7E7.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF7E7.tmp.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe" ONCE
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF7E7.tmp.exe

Filesize
169KB

MD5
31766d181803bec9fb049bb12435d1e1

SHA1
4ad984f44b2c30a317fb5482f123831fec330d54

SHA256
6a6a32e7e2d04cc8abf5bbf6aff0590fde8414dac724bd534db72eed0f1af92b

SHA512
d08df438b2b23f8f0231c8e109eaf2cffcac3114b092a06b0771e7e93267b5b06116ec9bb88105c4f08f45a9d847987dc1f5b99f8d8762a6bc901e4d9ff5bc6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF7E7.tmp.exe

Filesize
169KB

MD5
31766d181803bec9fb049bb12435d1e1

SHA1
4ad984f44b2c30a317fb5482f123831fec330d54

SHA256
6a6a32e7e2d04cc8abf5bbf6aff0590fde8414dac724bd534db72eed0f1af92b

SHA512
d08df438b2b23f8f0231c8e109eaf2cffcac3114b092a06b0771e7e93267b5b06116ec9bb88105c4f08f45a9d847987dc1f5b99f8d8762a6bc901e4d9ff5bc6a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe

Filesize
169KB

MD5
31766d181803bec9fb049bb12435d1e1

SHA1
4ad984f44b2c30a317fb5482f123831fec330d54

SHA256
6a6a32e7e2d04cc8abf5bbf6aff0590fde8414dac724bd534db72eed0f1af92b

SHA512
d08df438b2b23f8f0231c8e109eaf2cffcac3114b092a06b0771e7e93267b5b06116ec9bb88105c4f08f45a9d847987dc1f5b99f8d8762a6bc901e4d9ff5bc6a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe

Filesize
169KB

MD5
31766d181803bec9fb049bb12435d1e1

SHA1
4ad984f44b2c30a317fb5482f123831fec330d54

SHA256
6a6a32e7e2d04cc8abf5bbf6aff0590fde8414dac724bd534db72eed0f1af92b

SHA512
d08df438b2b23f8f0231c8e109eaf2cffcac3114b092a06b0771e7e93267b5b06116ec9bb88105c4f08f45a9d847987dc1f5b99f8d8762a6bc901e4d9ff5bc6a

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe

Filesize
169KB

MD5
31766d181803bec9fb049bb12435d1e1

SHA1
4ad984f44b2c30a317fb5482f123831fec330d54

SHA256
6a6a32e7e2d04cc8abf5bbf6aff0590fde8414dac724bd534db72eed0f1af92b

SHA512
d08df438b2b23f8f0231c8e109eaf2cffcac3114b092a06b0771e7e93267b5b06116ec9bb88105c4f08f45a9d847987dc1f5b99f8d8762a6bc901e4d9ff5bc6a

Download Submit
memory/1648-55-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/1648-54-0x000007FEF35B0000-0x000007FEF3FD3000-memory.dmp

Filesize
10.1MB

Download
memory/1760-67-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1760-68-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1884-59-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1884-60-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1884-66-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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