ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7

Analysis

max time kernel
151s
max time network
115s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-10-2022 19:58

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General

Target

ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
Size

392KB
MD5

84d3c777e7a9d59f654bae245fd0c0b0
SHA1

c4278de865932e4c2587f56492fa6e752b98e45f
SHA256

ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7
SHA512

8999bc1c23ecea81c6e28c35d7182ce868e8066df08e474d344a67a3741bfa983bd64e8814e5074bff2ebc2d21c82b9034bc2933de409fae4b90a3addd149939
SSDEEP

12288:7t8vVED3Bk0Mr9Vif7/F1hIIaYHuvAIS2t:7t+gvMpVij/F1hV5HuvAI7

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
276	achsv.exe
1768	COM7.EXE
992	COM7.EXE
1188	achsv.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PDF FoxitReader.exe	COM7.EXE

Loads dropped DLL 8 IoCs

pid	Process
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
276	achsv.exe
276	achsv.exe
1768	COM7.EXE
1768	COM7.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\COMLOADER = "\\\\.\\C:\\Program Files\\FoxitReader\\bin\\COM7.EXE"	reg.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\FoxitReader\bin\COM7.EXE	COM7.EXE
File created	C:\Program Files\FoxitReader\FoxitReader.exe	COM7.EXE

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1668	reg.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
276	achsv.exe
1768	COM7.EXE
992	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1188	achsv.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1768	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1768	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1768	COM7.EXE
1768	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1768	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
1768	COM7.EXE
1768	COM7.EXE
1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
276	achsv.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 276	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	28
PID 1116 wrote to memory of 276	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	28
PID 1116 wrote to memory of 276	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	28
PID 1116 wrote to memory of 276	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	28
PID 1116 wrote to memory of 1768	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	29
PID 1116 wrote to memory of 1768	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	29
PID 1116 wrote to memory of 1768	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	29
PID 1116 wrote to memory of 1768	1116	ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe	29
PID 276 wrote to memory of 992	276	achsv.exe	30
PID 276 wrote to memory of 992	276	achsv.exe	30
PID 276 wrote to memory of 992	276	achsv.exe	30
PID 276 wrote to memory of 992	276	achsv.exe	30
PID 1768 wrote to memory of 1668	1768	COM7.EXE	31
PID 1768 wrote to memory of 1668	1768	COM7.EXE	31
PID 1768 wrote to memory of 1668	1768	COM7.EXE	31
PID 1768 wrote to memory of 1668	1768	COM7.EXE	31
PID 1768 wrote to memory of 1188	1768	COM7.EXE	33
PID 1768 wrote to memory of 1188	1768	COM7.EXE	33
PID 1768 wrote to memory of 1188	1768	COM7.EXE	33
PID 1768 wrote to memory of 1188	1768	COM7.EXE	33

C:\Users\Admin\AppData\Local\Temp\ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe
"C:\Users\Admin\AppData\Local\Temp\ed1f8e1d2cd12b19e50282d6d637fae6997edcf7664881c6d97c9235a67319b7.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe
  \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:276
- - C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE
    \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:992
- C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE
  \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\SysWOW64\reg.exe
    "C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v COMLOADER /d "\\.\C:\Program Files\FoxitReader\bin\COM7.EXE"
    3⤵
    - Adds Run key to start application
    - Modifies registry key
    PID:1668
- - C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe
    \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:1188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\COM7.EXE

Filesize
392KB

MD5
757d757e9d65d4228c63b120d95bee93

SHA1
6e6f1f0f643858b2356a82ce0d0864d3233e9a49

SHA256
116706a7f00067693846e0797bc585947934e1c49160fc217734544925b770b5

SHA512
b8b3f8f4248c337fa841e97b8d5e5111185bef74bf0ef3303321ee77ad20ea5784d7d725cb897dcd76a03de0969993b6a15482d5587c42ffd20b572ed8784165

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
\Users\Admin\AppData\Local\Temp\Rar$EX7.src777\achsv.exe

Filesize
392KB

MD5
39406608c3bc6a1fac873433268b5e6b

SHA1
a8ba6a5a0cce01c4dc64dd2bb6f1a1dd4bc2d84a

SHA256
a236b7ed156e401c170020bfbb7d95c2522326dedfbbed2888dd4ff3ae915f45

SHA512
e9477d4889f75ec9ac4d1a81d0f4b0242750ad00343c9809253961bf5b390787f227edc50ced79bbe7af7b8c3e6917e77ea177bbd0b6990fa2a129bee44c9aa7

Download Submit
memory/276-57-0x0000000000000000-mapping.dmp

Download
memory/992-69-0x0000000000000000-mapping.dmp

Download
memory/1116-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1188-75-0x0000000000000000-mapping.dmp

Download
memory/1668-72-0x0000000000000000-mapping.dmp

Download
memory/1768-63-0x0000000000000000-mapping.dmp

Download