39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695

General

Target

39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe
Size

3.4MB
MD5

87cc771bc737365a5940738259947239
SHA1

1bde835becb4eeef7557247de5ce4bf8b4d9c095
SHA256

39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695
SHA512

c99ec59916a23a5e5e076bcb661f4168a0bbc4fa8a21c2ed1e5a272d450bfa73c5aec4bbc9a178ccd4e2b126f53f7342a90b58b26f4fb51339444aadddd920d3
SSDEEP

49152:5vNJEciXT1SMTEGUlayCd1XlOrUcwFY92eg6zBCYUFQumEeBAoCuYXMYo3js:ucmEZlaPfUwbYIelzBLU3vqCRs

Score

9^/10

discovery evasion trojan upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	sshUSOPrivate-type0.0.2.5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	sshUSOPrivate-type0.0.2.5.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	sshUSOPrivate-type0.0.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	sshUSOPrivate-type0.0.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	sshUSOPrivate-type0.0.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	sshUSOPrivate-type0.0.2.5.exe

Executes dropped EXE 2 IoCs

pid	Process
4636	sshUSOPrivate-type0.0.2.5.exe
4456	sshUSOPrivate-type0.0.2.5.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3664	icacls.exe
4720	icacls.exe
3264	icacls.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000600000002316e-149.dat	upx
behavioral1/files/0x000600000002316e-152.dat	upx
behavioral1/files/0x000600000002316e-151.dat	upx
behavioral1/memory/4636-154-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/memory/4636-155-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/memory/4636-156-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/memory/4636-157-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/files/0x000600000002316e-158.dat	upx
behavioral1/memory/4456-159-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/memory/4456-160-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx
behavioral1/memory/4456-161-0x00007FF736650000-0x00007FF736B6F000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	sshUSOPrivate-type0.0.2.5.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	sshUSOPrivate-type0.0.2.5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3320	1932	WerFault.exe	83

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4128	schtasks.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85
PID 1932 wrote to memory of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85
PID 1932 wrote to memory of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85
PID 1932 wrote to memory of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85
PID 1932 wrote to memory of 1192	1932	39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe	85
PID 1192 wrote to memory of 3664	1192	AppLaunch.exe	94
PID 1192 wrote to memory of 3664	1192	AppLaunch.exe	94
PID 1192 wrote to memory of 3664	1192	AppLaunch.exe	94
PID 1192 wrote to memory of 4720	1192	AppLaunch.exe	96
PID 1192 wrote to memory of 4720	1192	AppLaunch.exe	96
PID 1192 wrote to memory of 4720	1192	AppLaunch.exe	96
PID 1192 wrote to memory of 3264	1192	AppLaunch.exe	98
PID 1192 wrote to memory of 3264	1192	AppLaunch.exe	98
PID 1192 wrote to memory of 3264	1192	AppLaunch.exe	98
PID 1192 wrote to memory of 4128	1192	AppLaunch.exe	100
PID 1192 wrote to memory of 4128	1192	AppLaunch.exe	100
PID 1192 wrote to memory of 4128	1192	AppLaunch.exe	100
PID 1192 wrote to memory of 4636	1192	AppLaunch.exe	102
PID 1192 wrote to memory of 4636	1192	AppLaunch.exe	102

C:\Users\Admin\AppData\Local\Temp\39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe
"C:\Users\Admin\AppData\Local\Temp\39d855232ce6e5a3afd70633b77ee7ff237fd719c787dc3e2e69f3f3fec48695.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\sshUSOPrivate-type0.0.2.5" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:3664
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\sshUSOPrivate-type0.0.2.5" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:4720
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\sshUSOPrivate-type0.0.2.5" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:3264
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5" /TR "C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:4128
- - C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe
    "C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    PID:4636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 136
  2⤵
  - Program crash
  PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1932 -ip 1932
1⤵
PID:4152

C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe
C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:4456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

File and Directory Permissions Modification

1

T1222

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe

Filesize
560.0MB

MD5
452d06d99722fbb659326b62b27faeba

SHA1
f8742011dd940bf177fb4c226161fc0294f17900

SHA256
b3b8883a22d1de5368fe10c5d9db7a9929def0c4de3b3c024391f7ace8c3a2e0

SHA512
2f7e2b8ffb59c902cb151a4a91e536cf187e66ebd7ef9f02783eebc29896aa0aa78bcdc5051a1da05870802875b2221688a2367d02830f4c3b134f512c9f7b18

Download Submit
C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe

Filesize
559.2MB

MD5
9acd3949e2bc5de2bf9f69be73c64597

SHA1
227471279e73a784204797016e3573680fc16e38

SHA256
3bab9adbf194263db05d8a57fce213dd05d744aae5de6b9beeea3bd93b0ded38

SHA512
62d7ab6675b79d60ae443fbdc87d1a2e9d495cdce6496b25be5cd3a2a4d8b50a495a6d173e79b0b79e8e09a2fd12bf1ac562da8dbcf91ab8356e219a011560a0

Download Submit
C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe

Filesize
507.2MB

MD5
f7457f0b88a1eaefac8af67a4870e0f0

SHA1
9dcb8e0b3843bad9aaea9b125b37a1371a935087

SHA256
c2cd94c0da121cf3c2bc7da3e24b445cb25e972e61492e63a19d97766c818453

SHA512
7366a430f3234ff0561d99802894bad3791d926b2ea5b4589a98eeca8732e15c3144e3864a419201930afc103aae0198f5fada664709379e2aafc43f58343a4a

Download Submit
C:\ProgramData\sshUSOPrivate-type0.0.2.5\sshUSOPrivate-type0.0.2.5.exe

Filesize
277.2MB

MD5
f9c0ff5a36dd5df2d74490435a1c71df

SHA1
4061f06eb02299b686fb55245587eb23d29a0f49

SHA256
e6b96ad163f0ba2297f0e4b7994bca906b82befe8e248c67120e1aed9f7376fe

SHA512
f7f18f396c67d64723edb78bd41dac4ad883a630cbd12dd22916ea1f66ade53431fd9c781805bf17e55b02e425da1c0a21c77b633035fa938cbd8f0593ece487

Download Submit
memory/1192-141-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/1192-138-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/1192-143-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/1192-144-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/1192-133-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/1192-140-0x00000000031D0000-0x00000000031DA000-memory.dmp

Filesize
40KB

Download
memory/1192-139-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/1192-142-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/4456-161-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4456-160-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4456-159-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4636-154-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4636-157-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4636-156-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download
memory/4636-155-0x00007FF736650000-0x00007FF736B6F000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads