netsupport | f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9

Analysis

max time kernel
118s
max time network
137s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
13/12/2023, 13:10

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General

Target

f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
Size

2.2MB
MD5

e0513cff99bb7b3acd1412295e499bc2
SHA1

96bb297d825579606cd690ad6ffc39b7e4c8a73a
SHA256

f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9
SHA512

36eb32c855b77853fa71d49df643e85b967af0e596a9b2c30bb09e57e36452f9c3f0ddc221f70c04440f5e46e03b8cdf6468d74a72b3aff52efddcdd2287be61
SSDEEP

49152:pveOOVj3gu9SdZ/ufvr7TE22qqpE+OVbbk+LUqxNoWeJbxBEmVXH:pto3bEd9ufD+B0Y+IrzbLPZH

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\leadchapter.lnk	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	dwemr.exe

Loads dropped DLL 10 IoCs

pid	Process
2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
2760	dwemr.exe
2760	dwemr.exe
2760	dwemr.exe
2760	dwemr.exe
2760	dwemr.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2860	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2760	dwemr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	dwemr.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2860	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	28
PID 2144 wrote to memory of 2860	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	28
PID 2144 wrote to memory of 2860	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	28
PID 2144 wrote to memory of 2860	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	28
PID 2144 wrote to memory of 2760	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	29
PID 2144 wrote to memory of 2760	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	29
PID 2144 wrote to memory of 2760	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	29
PID 2144 wrote to memory of 2760	2144	f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe	29

C:\Users\Admin\AppData\Local\Temp\f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
"C:\Users\Admin\AppData\Local\Temp\f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\leadchapter\Rescind.pdf"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2860
- C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe
  "C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
6c4a1252d129ee09662c1822a49944c3

SHA1
f95e40e5a37083a4857e8a513da912981ae622d7

SHA256
f48953dca1ebdfdac9177f25ab73dcacef386d54d76dd6545e47cf9a22c106fe

SHA512
51209bd9c4061ccd037fff3a1290c46293da0ad7ac3b1d7de9c39b4ff9da32b259f72eb4ebc36d9bde46ae2125b8a34c63c986cad01d93833db295623a3f07e5

Download Submit
C:\Users\Admin\AppData\Roaming\leadchapter\MSVCR100.dll

Filesize
668KB

MD5
63938512de2dba5b4db67e511ffae726

SHA1
4ea7388126ffe251deb6c114250fbee3a913174d

SHA256
c37cfc1cc746a7d3dd3b305e4286affab3d074fea6982d3e44d83fe0f18991cc

SHA512
f0334670bf641952c2807c64c96564c0f94895f19dba20f40f3d886a210724072b704d18450a99676a293a65bd907bd447b13823ee699c92d316504c9bc3face

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

Filesize
257B

MD5
7067af414215ee4c50bfcd3ea43c84f0

SHA1
c331d410672477844a4ca87f43a14e643c863af9

SHA256
2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

SHA512
17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

Download Submit
C:\Users\Admin\AppData\Roaming\leadchapter\PCICL32.dll

Filesize
1.0MB

MD5
86c269598b0a34296a8c195f6ce64ba3

SHA1
533df7fe9faff7fe207479f8e817daa056c218b5

SHA256
3baebd93ed47301b4640314c0fa9618626c17ae7dff03b670a8e82c7de469ac7

SHA512
e3b06727d2977ecad5558bb80e1c796b9ef43c3e6824c228d1b8b94dfe27901478c92916672c70b5eaf04c4a2484fce776d5e5e3ee9e1270faaceb652686e82d

Download Submit
C:\Users\Admin\AppData\Roaming\leadchapter\Rescind.pdf

Filesize
93KB

MD5
da6fc66a193755e2cd0771174070b8b5

SHA1
b9908eecd22588c453c4c7ca549c4f73ce28c30a

SHA256
85ddead45cc88880287fec39bde87106b91a1339d3635b0f20e72eec29d70573

SHA512
978d0201049909b727b722bf20585756c14c411bfba29c4da2789bda53b276b67bb80d2d75d624d2e2c28ce58c90bc109fa86b30710ee8c6f53790f1301f4e29

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

Filesize
664B

MD5
10ce8cdbd256efe0f7da6b3e843066b7

SHA1
4f25814cd655a7aeeb8f28414cf2fd918b2cd5b7

SHA256
4897c9d486367c98f54f93ebf1e38d871fdeab84f7935450da91f10837142a9a

SHA512
f734059b69c7592be86a3d1a87d2f1c6c8efc8037020bf66abb3a0161a2316d28f3f7380b6f95bbd17842b700a2d37184032fb17cf18dc00ff9585dbd14e994d

Download Submit
C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe

Filesize
41KB

MD5
69fc8d2d4124e3cf587f9e82c12f4f61

SHA1
d85b1f6f26b52f5e9f1bd24031edb3f852c2a42d

SHA256
16dd1759ad7d73d4d3636646eb5a2ca2d63879c0a2ca3f054eecaa31c701205d

SHA512
358c9f91d8c2ba203f0f6f51df0910d64069b300755f42ca7def4a5ddba4ce33191d43f567454688c14ae185370f68c87a6198c558e2b0a32ba360ca7ed8f1ef

Download Submit
C:\Users\Admin\AppData\Roaming\leadchapter\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

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

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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

Filesize
611KB

MD5
31e962b1e837264123c87ec6912c7847

SHA1
cf6e7d3cab85ea9b1cc793fdaabdbe468c780bc4

SHA256
a2e93cedddd7e4f102cb41c38298fc0c1f2053f912451377e093a865393e614d

SHA512
12c110baf1736c265e0d0239799244edec7625cef5d8358dcc6d7642ab077ab6faebad1551e99ba87636ee72cc626d8bf4947aa1e90ad0756046b2dbb30d62e9

Download Submit
\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe

Filesize
103KB

MD5
8d9709ff7d9c83bd376e01912c734f0a

SHA1
e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294

SHA256
49a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3

SHA512
042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee

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

Filesize
594KB

MD5
e11c6f9f91367baa45fe6bdda6bd07a0

SHA1
70e0fa126409f3265c72723a6141d7010207e0e9

SHA256
565937231529e586101f5d4fa3c787b61636e8ce7eddcf0194ffe74e94528278

SHA512
0d60242d80234069d5b13beae9ad684547f9b62851172afd60226d7aa4f09fb2f1d04b7f97baaa847d7373eb72a1b2911bf963e891d51d4d4e6d58524a31447d

Download Submit