netsupport | a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6

General

Target

JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
Size

681.3MB
MD5

3d2b342a8ac39e23ec8f44371fb4d001
SHA1

9c0c0f3e80932b0d92b51249f273fd1d67511aa2
SHA256

a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6
SHA512

f41a978c97bed0ab49f4bd6256037cc94726bc58f2cd238c0d0ea5fb5d3e0400bd763a1fb98dd584277ab3cf07a1bec3a5a34ea23d6376d63df6d67a13ea8a43
SSDEEP

49152:LbA3VkA0YiuBO8qbzb9ehNw6NbHHrc05RBtPXD2lIwgR3cjXBdlh:LbSx0ID26wY3T5DZXq2w3XBdr

Score

10^/10

netsupport discovery persistence rat

Malware Config

Signatures

NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
rat netsupport
Netsupport family
netsupport

Executes dropped EXE 2 IoCs

pid	Process
2172	client32resov.exe
2012	client32resov.exe

Loads dropped DLL 9 IoCs

pid	Process
1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
2012	client32resov.exe
2012	client32resov.exe
2012	client32resov.exe
2012	client32resov.exe
2012	client32resov.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tsymmjpxin = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tvamucaabt\\Tsymmjpxin.exe\""	client32resov.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2012	2172	client32resov.exe	36

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32resov.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32resov.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3032	powershell.exe
600	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	2172	client32resov.exe
Token: SeDebugPrivilege	600	powershell.exe
Token: SeSecurityPrivilege	2012	client32resov.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	client32resov.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2172	1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	31
PID 1400 wrote to memory of 2172	1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	31
PID 1400 wrote to memory of 2172	1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	31
PID 1400 wrote to memory of 2172	1400	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	31
PID 2172 wrote to memory of 3032	2172	client32resov.exe	32
PID 2172 wrote to memory of 3032	2172	client32resov.exe	32
PID 2172 wrote to memory of 3032	2172	client32resov.exe	32
PID 2172 wrote to memory of 3032	2172	client32resov.exe	32
PID 2172 wrote to memory of 600	2172	client32resov.exe	34
PID 2172 wrote to memory of 600	2172	client32resov.exe	34
PID 2172 wrote to memory of 600	2172	client32resov.exe	34
PID 2172 wrote to memory of 600	2172	client32resov.exe	34
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36
PID 2172 wrote to memory of 2012	2172	client32resov.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
  "C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3032
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:600
- - C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
    C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
415e3b6281cc6aa36b9e5f3499b8f41a

SHA1
87f81431eb14b74e0fed2b0b5d8ea83ebdc2b4a4

SHA256
4a039ed2619dea5999ac0e53a3af1a5b3e78fa8b67f1e3315f2824a3665f0821

SHA512
0ba2fa049d28cd58e120a9dc047a6856b2669140175973689dae14e1df006ea5d0f38d646ab6a95002c4d386958a67295c9caa75c02e7292437eb88bce5aa39c

Download Submit
C:\Users\Admin\AppData\Roaming\NetClient\NSM.LIC

Filesize
257B

MD5
7067af414215ee4c50bfcd3ea43c84f0

SHA1
c331d410672477844a4ca87f43a14e643c863af9

SHA256
2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

SHA512
17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

Download Submit
C:\Users\Admin\AppData\Roaming\NetClient\client32.ini

Filesize
620B

MD5
488faf140b6aa79cc1a76461f452b14b

SHA1
8ab70d10bd3e0a6cf7694b698fcebfac6ee3b96c

SHA256
3dc4f4c753d4be5645547efbfea509852414def402f6b96de910c80e5beca2da

SHA512
ddf3194e14193feeceaa39a84ed8ba4ef31b73785154588471a6a9e5bee69a5283d3e299a8504d88974f0673749e910e758d3588515ec8a4030c637ae1e3a45e

Download Submit
\Users\Admin\AppData\Roaming\NetClient\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
\Users\Admin\AppData\Roaming\NetClient\PCICHEK.DLL

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit
\Users\Admin\AppData\Roaming\NetClient\PCICL32.DLL

Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

Download Submit
\Users\Admin\AppData\Roaming\NetClient\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
\Users\Admin\AppData\Roaming\NetClient\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
memory/2012-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2012-57-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-59-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-61-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-53-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2012-55-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2172-74-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-40-0x0000000000A10000-0x0000000000A50000-memory.dmp

Filesize
256KB

Download
memory/2172-36-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2172-41-0x0000000005B20000-0x0000000005BB2000-memory.dmp

Filesize
584KB

Download
memory/2172-44-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2172-45-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-39-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-38-0x00000000004F0000-0x000000000057A000-memory.dmp

Filesize
552KB

Download
memory/2172-37-0x0000000001310000-0x00000000015E4000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads