c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472

General

Target

c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe
Size

1.4MB
MD5

2df9b777ff805ca6c5313095e0fa5947
SHA1

6fb8041c66afbe4d916d84c4296de19619d591fd
SHA256

c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472
SHA512

d1f8d42b5f57b27476b9c3cc68886bf054b19ed14f973fe5169e6d563a171fe38e327b1d3d1cc108bb882cb6a0ba0507b458fadb2eecf3a4d09be7fd1d9a34b6
SSDEEP

24576:gI39dgOp7RataUAfQwxF6uaqfhr6hip5fCNikRI78khDTq1z5yFV/uN4vxt:g6dg+ua3Qw/6xqfhr6AzNku7Dpq1cuCt

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3308	is-CGAIL.tmp
4516	previewer.exe
2488	previewer.exe

Loads dropped DLL 3 IoCs

pid	Process
3308	is-CGAIL.tmp
3308	is-CGAIL.tmp
3308	is-CGAIL.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	51.159.66.125

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\RL Previewer\unins000.dat	is-CGAIL.tmp
File opened for modification	C:\Program Files (x86)\RL Previewer\previewer.exe	is-CGAIL.tmp
File created	C:\Program Files (x86)\RL Previewer\unins000.dat	is-CGAIL.tmp
File created	C:\Program Files (x86)\RL Previewer\is-GMO8L.tmp	is-CGAIL.tmp
File created	C:\Program Files (x86)\RL Previewer\is-GTINP.tmp	is-CGAIL.tmp
File created	C:\Program Files (x86)\RL Previewer\is-MBGTJ.tmp	is-CGAIL.tmp
File created	C:\Program Files (x86)\RL Previewer\is-VEGTS.tmp	is-CGAIL.tmp

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

System Information Discovery
T1082
Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	previewer.exe
Token: SeDebugPrivilege	2488	previewer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 3308	4624	c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe	70
PID 4624 wrote to memory of 3308	4624	c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe	70
PID 4624 wrote to memory of 3308	4624	c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe	70
PID 3308 wrote to memory of 3456	3308	is-CGAIL.tmp	71
PID 3308 wrote to memory of 3456	3308	is-CGAIL.tmp	71
PID 3308 wrote to memory of 3456	3308	is-CGAIL.tmp	71
PID 3308 wrote to memory of 4516	3308	is-CGAIL.tmp	72
PID 3308 wrote to memory of 4516	3308	is-CGAIL.tmp	72
PID 3308 wrote to memory of 4516	3308	is-CGAIL.tmp	72
PID 3456 wrote to memory of 4196	3456	net.exe	74
PID 3456 wrote to memory of 4196	3456	net.exe	74
PID 3456 wrote to memory of 4196	3456	net.exe	74
PID 3308 wrote to memory of 2488	3308	is-CGAIL.tmp	75
PID 3308 wrote to memory of 2488	3308	is-CGAIL.tmp	75
PID 3308 wrote to memory of 2488	3308	is-CGAIL.tmp	75

C:\Users\Admin\AppData\Local\Temp\c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe
"C:\Users\Admin\AppData\Local\Temp\c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Users\Admin\AppData\Local\Temp\is-40NDT.tmp\is-CGAIL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-40NDT.tmp\is-CGAIL.tmp" /SL4 $70156 "C:\Users\Admin\AppData\Local\Temp\c724871ba0ad4b6e021089927887884cb595bed6741db4e3b36c8cedf21a9472.exe" 1203181 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 4
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3456
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 4
      4⤵
      PID:4196
- - C:\Program Files (x86)\RL Previewer\previewer.exe
    "C:\Program Files (x86)\RL Previewer\previewer.exe" -i
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4516
- - C:\Program Files (x86)\RL Previewer\previewer.exe
    "C:\Program Files (x86)\RL Previewer\previewer.exe" -s
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\RL Previewer\previewer.exe

Filesize
1.7MB

MD5
dc628fa0af023bea66ada99a1e450d6a

SHA1
ae122c11743a5536c3a4fc91bdaddd27f3654c44

SHA256
1c378e2701e3e153e833df6e4661de27c3026061f1f6b1c77892ef8102796566

SHA512
6b839c3a9631041f8df8b4f1a8bcb4c2aeffc8a6483c076ffd864b7259c2a494c29f38f02ed745a21e5535bb39984c57f70f6b4662bdc39c0682e4677aeea655

Download Submit
C:\Program Files (x86)\RL Previewer\previewer.exe

Filesize
1.7MB

MD5
dc628fa0af023bea66ada99a1e450d6a

SHA1
ae122c11743a5536c3a4fc91bdaddd27f3654c44

SHA256
1c378e2701e3e153e833df6e4661de27c3026061f1f6b1c77892ef8102796566

SHA512
6b839c3a9631041f8df8b4f1a8bcb4c2aeffc8a6483c076ffd864b7259c2a494c29f38f02ed745a21e5535bb39984c57f70f6b4662bdc39c0682e4677aeea655

Download Submit
C:\Program Files (x86)\RL Previewer\previewer.exe

Filesize
1.7MB

MD5
dc628fa0af023bea66ada99a1e450d6a

SHA1
ae122c11743a5536c3a4fc91bdaddd27f3654c44

SHA256
1c378e2701e3e153e833df6e4661de27c3026061f1f6b1c77892ef8102796566

SHA512
6b839c3a9631041f8df8b4f1a8bcb4c2aeffc8a6483c076ffd864b7259c2a494c29f38f02ed745a21e5535bb39984c57f70f6b4662bdc39c0682e4677aeea655

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-40NDT.tmp\is-CGAIL.tmp

Filesize
643KB

MD5
039dbe6f20c290a67f097d98995bee88

SHA1
851c1737b8cb8ec200d340d8e396f1d3e274e21c

SHA256
949a69347b46cd5e519249028e85b7720752dac0a5750c50c6ef564715a850a7

SHA512
d7f4e25ce52ae765bff4e1b5dde778082d63516c6ba16219a61a691ea52c8b82e48c79b02dd8420ff2ca9438f8244936bfa3272f5e2f170dadbbfb732904c60d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-40NDT.tmp\is-CGAIL.tmp

Filesize
643KB

MD5
039dbe6f20c290a67f097d98995bee88

SHA1
851c1737b8cb8ec200d340d8e396f1d3e274e21c

SHA256
949a69347b46cd5e519249028e85b7720752dac0a5750c50c6ef564715a850a7

SHA512
d7f4e25ce52ae765bff4e1b5dde778082d63516c6ba16219a61a691ea52c8b82e48c79b02dd8420ff2ca9438f8244936bfa3272f5e2f170dadbbfb732904c60d

Download Submit
\Users\Admin\AppData\Local\Temp\is-DCC09.tmp\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-DCC09.tmp\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-DCC09.tmp\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/2488-80-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-50-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-83-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-89-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-93-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-42-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-73-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-77-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-74-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/2488-86-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-53-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-56-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-59-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-62-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-65-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2488-67-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/2488-66-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/3308-46-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/3308-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3308-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4516-38-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/4516-35-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/4516-34-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/4624-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4624-43-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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