6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f

General

Target

6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe
Size

1.4MB
MD5

6bd9455aad2ed6028787f9f30502631b
SHA1

7e5e8fa653957de6830d67dcf1caec2fdc662dbb
SHA256

6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f
SHA512

391db9b8bb1a0404f0e89a733735bdaf0fd751a88f9326f5786579a34e448f2a276ec5f45bb655a945fd7a5d431f5b7e22275ff1b3a7e0bfd11b1c311a8eae9a
SSDEEP

24576:dI39dgOp7RataUAfQwxF6uaqfhr6hip5fCNikRI78khDTq1z5yFV/uN4vxt:d6dg+ua3Qw/6xqfhr6AzNku7Dpq1cuCt

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2672	is-5O7TI.tmp
4476	previewer.exe
1240	previewer.exe

Loads dropped DLL 3 IoCs

pid	Process
2672	is-5O7TI.tmp
2672	is-5O7TI.tmp
2672	is-5O7TI.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\previewer.exe	is-5O7TI.tmp
File created	C:\Program Files (x86)\RL Previewer\unins000.dat	is-5O7TI.tmp
File created	C:\Program Files (x86)\RL Previewer\is-ITLLS.tmp	is-5O7TI.tmp
File created	C:\Program Files (x86)\RL Previewer\is-IMM80.tmp	is-5O7TI.tmp
File created	C:\Program Files (x86)\RL Previewer\is-JFSLU.tmp	is-5O7TI.tmp
File created	C:\Program Files (x86)\RL Previewer\is-BLMRQ.tmp	is-5O7TI.tmp
File opened for modification	C:\Program Files (x86)\RL Previewer\unins000.dat	is-5O7TI.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	4476	previewer.exe
Token: SeDebugPrivilege	1240	previewer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2672	2896	6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe	70
PID 2896 wrote to memory of 2672	2896	6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe	70
PID 2896 wrote to memory of 2672	2896	6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe	70
PID 2672 wrote to memory of 2936	2672	is-5O7TI.tmp	71
PID 2672 wrote to memory of 2936	2672	is-5O7TI.tmp	71
PID 2672 wrote to memory of 2936	2672	is-5O7TI.tmp	71
PID 2672 wrote to memory of 4476	2672	is-5O7TI.tmp	72
PID 2672 wrote to memory of 4476	2672	is-5O7TI.tmp	72
PID 2672 wrote to memory of 4476	2672	is-5O7TI.tmp	72
PID 2936 wrote to memory of 1216	2936	net.exe	74
PID 2936 wrote to memory of 1216	2936	net.exe	74
PID 2936 wrote to memory of 1216	2936	net.exe	74
PID 2672 wrote to memory of 1240	2672	is-5O7TI.tmp	75
PID 2672 wrote to memory of 1240	2672	is-5O7TI.tmp	75
PID 2672 wrote to memory of 1240	2672	is-5O7TI.tmp	75

C:\Users\Admin\AppData\Local\Temp\6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe
"C:\Users\Admin\AppData\Local\Temp\6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\is-7G8KS.tmp\is-5O7TI.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7G8KS.tmp\is-5O7TI.tmp" /SL4 $801AE "C:\Users\Admin\AppData\Local\Temp\6f49c3eb823f051c20c8b88ae1cf33d7f5889d0ddf6726705b4a85e9bba9229f.exe" 1203181 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 4
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 4
      4⤵
      PID:1216
- - 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:4476
- - 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:1240

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-7G8KS.tmp\is-5O7TI.tmp

Filesize
643KB

MD5
039dbe6f20c290a67f097d98995bee88

SHA1
851c1737b8cb8ec200d340d8e396f1d3e274e21c

SHA256
949a69347b46cd5e519249028e85b7720752dac0a5750c50c6ef564715a850a7

SHA512
d7f4e25ce52ae765bff4e1b5dde778082d63516c6ba16219a61a691ea52c8b82e48c79b02dd8420ff2ca9438f8244936bfa3272f5e2f170dadbbfb732904c60d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7G8KS.tmp\is-5O7TI.tmp

Filesize
643KB

MD5
039dbe6f20c290a67f097d98995bee88

SHA1
851c1737b8cb8ec200d340d8e396f1d3e274e21c

SHA256
949a69347b46cd5e519249028e85b7720752dac0a5750c50c6ef564715a850a7

SHA512
d7f4e25ce52ae765bff4e1b5dde778082d63516c6ba16219a61a691ea52c8b82e48c79b02dd8420ff2ca9438f8244936bfa3272f5e2f170dadbbfb732904c60d

Download Submit
\Users\Admin\AppData\Local\Temp\is-HNP7G.tmp\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-HNP7G.tmp\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-HNP7G.tmp\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1240-80-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-50-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-89-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-83-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-93-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-42-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-73-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-77-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-74-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/1240-86-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-53-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-56-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-59-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-62-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-65-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1240-67-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/1240-66-0x00000000007E0000-0x0000000000829000-memory.dmp

Filesize
292KB

Download
memory/2672-46-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2672-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2672-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2896-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2896-43-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4476-38-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/4476-35-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/4476-34-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download

Analysis

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