64c58b3f36b25fb172500f0b4b8b2cb4954b078efb480db1054b64fc8d08c7cc

General

Target

b37f0ed927e76d97884011930eb6d3ac.exe
Size

1.6MB
MD5

b37f0ed927e76d97884011930eb6d3ac
SHA1

429265d57ee336e6f320d89136d8d0d34853b66c
SHA256

64c58b3f36b25fb172500f0b4b8b2cb4954b078efb480db1054b64fc8d08c7cc
SHA512

f0a3cd0d6ff3067f99f85966909dfe3f69a0200cdcc77e574416de7832bf64ba491239718b1cd93390aca2a6a82e9126c667bcbf4d9e260922a09b3eeaad2439
SSDEEP

49152:B3uL8oZU+dESBqcakLz0NZo8GEKRK6AUEcakLz0O:BeooU+dESBqcakcNS8nKRK61EcakcO

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2760	b37f0ed927e76d97884011930eb6d3ac.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	b37f0ed927e76d97884011930eb6d3ac.exe

Loads dropped DLL 1 IoCs

pid	Process
1672	b37f0ed927e76d97884011930eb6d3ac.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1672-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral1/files/0x000a00000001223b-11.dat	upx
behavioral1/files/0x000a00000001223b-15.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2756	schtasks.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	b37f0ed927e76d97884011930eb6d3ac.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	b37f0ed927e76d97884011930eb6d3ac.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	b37f0ed927e76d97884011930eb6d3ac.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	b37f0ed927e76d97884011930eb6d3ac.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1672	b37f0ed927e76d97884011930eb6d3ac.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1672	b37f0ed927e76d97884011930eb6d3ac.exe
2760	b37f0ed927e76d97884011930eb6d3ac.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2760	1672	b37f0ed927e76d97884011930eb6d3ac.exe	20
PID 1672 wrote to memory of 2760	1672	b37f0ed927e76d97884011930eb6d3ac.exe	20
PID 1672 wrote to memory of 2760	1672	b37f0ed927e76d97884011930eb6d3ac.exe	20
PID 1672 wrote to memory of 2760	1672	b37f0ed927e76d97884011930eb6d3ac.exe	20
PID 2760 wrote to memory of 2756	2760	b37f0ed927e76d97884011930eb6d3ac.exe	18
PID 2760 wrote to memory of 2756	2760	b37f0ed927e76d97884011930eb6d3ac.exe	18
PID 2760 wrote to memory of 2756	2760	b37f0ed927e76d97884011930eb6d3ac.exe	18
PID 2760 wrote to memory of 2756	2760	b37f0ed927e76d97884011930eb6d3ac.exe	18
PID 2760 wrote to memory of 2844	2760	b37f0ed927e76d97884011930eb6d3ac.exe	34
PID 2760 wrote to memory of 2844	2760	b37f0ed927e76d97884011930eb6d3ac.exe	34
PID 2760 wrote to memory of 2844	2760	b37f0ed927e76d97884011930eb6d3ac.exe	34
PID 2760 wrote to memory of 2844	2760	b37f0ed927e76d97884011930eb6d3ac.exe	34
PID 2844 wrote to memory of 2592	2844	cmd.exe	33
PID 2844 wrote to memory of 2592	2844	cmd.exe	33
PID 2844 wrote to memory of 2592	2844	cmd.exe	33
PID 2844 wrote to memory of 2592	2844	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe
"C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe
  C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN uhTCmbCqd877 > C:\Users\Admin\AppData\Local\Temp\pOycVPjrV.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2844

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe" /TN uhTCmbCqd877 /F
1⤵
- Creates scheduled task(s)
PID:2756

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN uhTCmbCqd877
1⤵
PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe

Filesize
280KB

MD5
8db24fb4f435676a68bb329b5b125ac2

SHA1
14c4a328b8b6bcb3c4d80577f6ad35dbb577b7fa

SHA256
c5a0779a813c5b98183dcd548cebae3cb0cc2cc60762e0e30d79a16a2887aca5

SHA512
a8a7c3164e99c2fec43a7730782c58aa75af942536885659de02d4e64c2529d1961c4256c881cbf442586cc7c44c63a411b764231f153aedb4b7bab7dee3c17d

Download Submit
C:\Users\Admin\AppData\Local\Temp\pOycVPjrV.xml

Filesize
1KB

MD5
67b46c448887cd66178beb111c2c9c0b

SHA1
01ff36ec0b2d5d9d8b6f05e05fae4a00b7cf7380

SHA256
5ab1ab45f4b541f56aedcc64bab8e1c6749a82d72b3a538cc0b4ca17140772b2

SHA512
488e80d5ab3135fd55f683874c7303462625593347a09360609b69b8e98757fe0e74eb924bfbb5e6f647bbcd415f3593f046668aab5518f96d916c6aae6bafd4

Download Submit
\Users\Admin\AppData\Local\Temp\b37f0ed927e76d97884011930eb6d3ac.exe

Filesize
12KB

MD5
86872dc159ddee6ff129031f9e47f57d

SHA1
07ad4f50bdab3394ea8dead13bc5f7aa4b90ed1e

SHA256
03f701d85feddb8aac06a939733b9c810fc3acd8bc54c4227870b6f409d72f0b

SHA512
8b5821a6b7c718f2f490da440c41f371e3fc7914f6fbf383361e976aa26eb0a67c7764e142b506f96637927640b1ed70e6580c33725b4159b26e92721a7b177d

Download Submit
memory/1672-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1672-2-0x0000000000240000-0x00000000002BE000-memory.dmp

Filesize
504KB

Download
memory/1672-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1672-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2760-18-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2760-20-0x00000000002B0000-0x000000000032E000-memory.dmp

Filesize
504KB

Download
memory/2760-25-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2760-30-0x0000000000330000-0x000000000039B000-memory.dmp

Filesize
428KB

Download
memory/2760-52-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads