833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa

General

Target

undertale_kqBw-w1.exe
Size

1.7MB
MD5

99a9fbd5fee72ce51585309390a46717
SHA1

ff39c56312090a909c2c0c82629c552a3b252a98
SHA256

833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa
SHA512

97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7
SSDEEP

24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA

Score

6^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

undertale_kqBw-w1.tmpfile_kqBw-w1.exefile_kqBw-w1.tmp

pid process

1340 undertale_kqBw-w1.tmp
3520 file_kqBw-w1.exe
3472 file_kqBw-w1.tmp
Loads dropped DLL 1 IoCs

Processes:

file_kqBw-w1.tmp

pid process

3472 file_kqBw-w1.tmp

pid	process
1340	undertale_kqBw-w1.tmp
3520	file_kqBw-w1.exe
3472	file_kqBw-w1.tmp

pid	process
3472	file_kqBw-w1.tmp

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

file_kqBw-w1.exefile_kqBw-w1.tmpundertale_kqBw-w1.exeundertale_kqBw-w1.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file_kqBw-w1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file_kqBw-w1.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	undertale_kqBw-w1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	undertale_kqBw-w1.tmp

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

file_kqBw-w1.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file_kqBw-w1.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\	file_kqBw-w1.tmp

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 28 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

undertale_kqBw-w1.tmpfile_kqBw-w1.tmp

pid process

1340 undertale_kqBw-w1.tmp
3472 file_kqBw-w1.tmp

description	flow	ioc
HTTP User-Agent header	28	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1340	undertale_kqBw-w1.tmp
3472	file_kqBw-w1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

undertale_kqBw-w1.exeundertale_kqBw-w1.tmpfile_kqBw-w1.exe

description	pid	process	target process
PID 2524 wrote to memory of 1340	2524	undertale_kqBw-w1.exe	undertale_kqBw-w1.tmp
PID 2524 wrote to memory of 1340	2524	undertale_kqBw-w1.exe	undertale_kqBw-w1.tmp
PID 2524 wrote to memory of 1340	2524	undertale_kqBw-w1.exe	undertale_kqBw-w1.tmp
PID 1340 wrote to memory of 3520	1340	undertale_kqBw-w1.tmp	file_kqBw-w1.exe
PID 1340 wrote to memory of 3520	1340	undertale_kqBw-w1.tmp	file_kqBw-w1.exe
PID 1340 wrote to memory of 3520	1340	undertale_kqBw-w1.tmp	file_kqBw-w1.exe
PID 3520 wrote to memory of 3472	3520	file_kqBw-w1.exe	file_kqBw-w1.tmp
PID 3520 wrote to memory of 3472	3520	file_kqBw-w1.exe	file_kqBw-w1.tmp
PID 3520 wrote to memory of 3472	3520	file_kqBw-w1.exe	file_kqBw-w1.tmp

C:\Users\Admin\AppData\Local\Temp\undertale_kqBw-w1.exe
"C:\Users\Admin\AppData\Local\Temp\undertale_kqBw-w1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Local\Temp\is-SFF1R.tmp\undertale_kqBw-w1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SFF1R.tmp\undertale_kqBw-w1.tmp" /SL5="$1A006C,831488,831488,C:\Users\Admin\AppData\Local\Temp\undertale_kqBw-w1.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\is-FRV9R.tmp\file_kqBw-w1.exe
"C:\Users\Admin\AppData\Local\Temp\is-FRV9R.tmp\file_kqBw-w1.exe" /LANG=en /NA=Rh85hR64
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520

C:\Users\Admin\AppData\Local\Temp\is-0ETNP.tmp\file_kqBw-w1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-0ETNP.tmp\file_kqBw-w1.tmp" /SL5="$401D8,1572592,831488,C:\Users\Admin\AppData\Local\Temp\is-FRV9R.tmp\file_kqBw-w1.exe" /LANG=en /NA=Rh85hR64
4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
PID:3472

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-0ETNP.tmp\file_kqBw-w1.tmp
Filesize
3.0MB

MD5
8cf2935ff1ab8729d059bda47761e0a7

SHA1
8dd9c4ed233333f6f599cd38fe3bebcd0aa7b5bf

SHA256
21d9ca1fc088affad73821c5983847779b5e97c4926068746715de256cf360e9

SHA512
a269998566c5221e4c47a2b915a6f325bb88e86c2712492d0be586592396740175c58c98b77c0c276ba06407ab0b014c70bf90b8f480b154acdc16bd2bd65ae3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8028Q.tmp\Helper.dll
Filesize
2.0MB

MD5
4eb0347e66fa465f602e52c03e5c0b4b

SHA1
fdfedb72614d10766565b7f12ab87f1fdca3ea81

SHA256
c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc

SHA512
4c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8028Q.tmp\RAV_Cross.png
Filesize
74KB

MD5
cd09f361286d1ad2622ba8a57b7613bd

SHA1
4cd3e5d4063b3517a950b9d030841f51f3c5f1b1

SHA256
b92a31d4853d1b2c4e5b9d9624f40b439856d0c6a517e100978cbde8d3c47dc8

SHA512
f73d60c92644e0478107e0402d1c7b4dfa1674f69b41856f74f937a7b57ceaa2b3be9242f2b59f1fcf71063aac6cbe16c594618d1a8cdd181510de3240f31dff

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8028Q.tmp\WebAdvisor.png
Filesize
33KB

MD5
db6c259cd7b58f2f7a3cca0c38834d0e

SHA1
046fd119fe163298324ddcd47df62fa8abcae169

SHA256
494169cdd9c79eb4668378f770bfa55d4b140f23a682ff424441427dfab0ced2

SHA512
a5e8bb6dc4cae51d4ebbe5454d1b11bc511c69031db64eff089fb2f8f68665f4004f0f215b503f7630a56c995bbe9cf72e8744177e92447901773cc7e2d9fdbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8028Q.tmp\mainlogo.png
Filesize
7KB

MD5
60ec543674ac82f5f32d6de542f866f6

SHA1
cae7a8f8701276f4f017ea13c9403f8785f5917f

SHA256
b38f25875e4e8f069d2ff6af3ff2caa49b2509ab64f72a04682ff2ed46b991e4

SHA512
532bb5d926c82a208ee6152a9b7f96ebd2456df2c16a3963e363f5bed7babcc0bb33a8973b114edbcce48fcb0cc9c7aa37c809a62bbe62c7952596f59213da7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FRV9R.tmp\file_kqBw-w1.exe
Filesize
2.4MB

MD5
df85661c015a03e71a9313b2f72d1efa

SHA1
3fc7446a9677da08291dc842ad95b314ed4d0c99

SHA256
d2f397b0f81e098f0db0a293f47032d354ee9ceafcecd5ac474e5dda1b05c14e

SHA512
2ebba8f6daddc7fda81f65d19617b92b89976ed01627f36973c522b4b909c64b801982a63122fabcd78c0d9557862b913c9debba96c45bbf2ce230aeab490820

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SFF1R.tmp\undertale_kqBw-w1.tmp
Filesize
3.0MB

MD5
0c229cd26910820581b5809c62fe5619

SHA1
28c0630385b21f29e3e2bcc34865e5d15726eaa0

SHA256
abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

SHA512
b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

Download Submit
memory/1340-30-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/1340-16-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/1340-6-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2524-8-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2524-2-0x0000000000401000-0x00000000004B7000-memory.dmp

Filesize
728KB

Download
memory/2524-1-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2524-32-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3472-56-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/3472-42-0x00000000039C0000-0x0000000003B00000-memory.dmp

Filesize
1.2MB

Download
memory/3472-44-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/3472-54-0x00000000039C0000-0x0000000003B00000-memory.dmp

Filesize
1.2MB

Download
memory/3472-22-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/3472-60-0x00000000039C0000-0x0000000003B00000-memory.dmp

Filesize
1.2MB

Download
memory/3472-62-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/3520-43-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-17-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-13-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads