5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8

General

Target

5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
Size

33KB
MD5

910f7ec7d76823795ce34cc60e34fb30
SHA1

eccfa37437bc8eb5a7f92fde068acdd8ebf1f76a
SHA256

5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8
SHA512

69b46c64384f732fdea2179f7fcae29bde549f77eab7feb0de374d7e99b1520c289993e26e070e05599fe0acaec24bf16b4d512f5b23b88d7a462be0c9c7cc0d
SSDEEP

384:MIw07lRnDvTwFVmoDxRvYpXSCkChhE+1xudn5TiAt9BRgX3FGUDo1iXpE:Mp2FrwTmoTvjC0+ydn5GAX3+gUDogZE

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2716	viewpdf_updater.exe

Loads dropped DLL 4 IoCs

pid	Process
2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
2716	viewpdf_updater.exe
2716	viewpdf_updater.exe
2716	viewpdf_updater.exe

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 2 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	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	viewpdf_updater.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30
PID 2924 wrote to memory of 2716	2924	5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe	30

C:\Users\Admin\AppData\Local\Temp\5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe
"C:\Users\Admin\AppData\Local\Temp\5321c33ae8cedff0602be71ad4dd5534c4a220386507a4f73c9c28a34b83c1b8N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\633SXO0D\1103UKp[1].htm

Filesize
246B

MD5
0e7ef54c21a9cec1973643337acba393

SHA1
fb282cc3d39c1525b96feb53a658305178f3cc06

SHA256
12c0454bb10fd175f2a7fa7b3650883008c48bf2b1a7fe60dcf0109f0c505f8c

SHA512
a03b8f71783f178f41ad752b8c7904b5842483154a691a9e50327e85049ee113475f4b203aa2ea793de0c685f0ec64a0761db04a74aba4250e45b5d552019217

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Y1738IZL\1103UKp[1].htm

Filesize
269B

MD5
63180a4464f3eec5c14f60e7e5be16f6

SHA1
c23a7baf3c8fae6ccc6916222a930be661e90806

SHA256
870aee10a54afcdb8ec5b50a2cb71c1aad26dc326273662c90bbb643c6985883

SHA512
7fe0f02a658b64c10e05b5f9e079f24a7c9b03a88c265e5644144e28ace0bdb70f6075f99b86f4af67f0400e1935367681f807c9b7a4dbbc92171925ce382f6c

Download Submit
\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe

Filesize
33KB

MD5
f94b1676e88b656c80d4aed8dc4ce5d8

SHA1
93d1382cfe6d2b75ae759d47bc73b956e91d55d9

SHA256
8357fa2bd912394d49fd8fc99f6a59fc53b8b5130eb1f57a5f59e2600290bac9

SHA512
ea45b973e0292aa44804039a32680bf00661eb5db074096cb42b87837bb3007c0cd6dc5aa8003c18e4771320339de842c76c2276971a0ed9059e1094f77659b3

Download Submit
memory/2716-18-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/2716-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2716-16-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/2716-15-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/2716-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2716-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2924-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2924-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2924-6-0x0000000000680000-0x000000000068C000-memory.dmp

Filesize
48KB

Download
memory/2924-2-0x0000000000402000-0x0000000000404000-memory.dmp

Filesize
8KB

Download

Analysis

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