b4f8327a0aa29fdd42b4ec3588ce73dd2b919121f89c17b7b7e7df2c31f9b418

Analysis

max time kernel
139s
max time network
151s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
19/07/2023, 18:04

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General

Target

fecc74eabcf94eexe_JC.exe
Size

90KB
MD5

fecc74eabcf94e4141a0c65f7aeadf76
SHA1

349a5a881707f207a09bd796ad21420639d39529
SHA256

b4f8327a0aa29fdd42b4ec3588ce73dd2b919121f89c17b7b7e7df2c31f9b418
SHA512

d71d67d5619ba787f247dec6c607f19912a5d2bb9401248a7661aaa1e808d035f5bb0811b7ef6e34c0e6140eada339c398b82daf2ecaed537b8fe16c15c4bed2
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDWTHE:zCsanOtEvwDpjE

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2272	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	fecc74eabcf94eexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012107-64.dat	upx
behavioral1/files/0x0007000000012107-67.dat	upx
behavioral1/memory/2224-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2272-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012107-77.dat	upx
behavioral1/memory/2272-78-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2272	2224	fecc74eabcf94eexe_JC.exe	28
PID 2224 wrote to memory of 2272	2224	fecc74eabcf94eexe_JC.exe	28
PID 2224 wrote to memory of 2272	2224	fecc74eabcf94eexe_JC.exe	28
PID 2224 wrote to memory of 2272	2224	fecc74eabcf94eexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\fecc74eabcf94eexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fecc74eabcf94eexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\misid.exe

Filesize
90KB

MD5
1ff6e84478b84cdcaab01e870f98648c

SHA1
c3c0553341b36b2fe42e2e6230bf3f78159d1fb0

SHA256
ca500a15ae3e70e2ad6e73f52ef2c506b4db2f4cb3477fdbf0636eb985d47b90

SHA512
2301de2e540c465a7b2d023f2f0d622bfe9ba8c04596e80b3cd4e6628fbb51e476743f36054b108554c6be659162808d5bf9a95b404bb4d9b9bef2852be941be

Download Submit
C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
90KB

MD5
1ff6e84478b84cdcaab01e870f98648c

SHA1
c3c0553341b36b2fe42e2e6230bf3f78159d1fb0

SHA256
ca500a15ae3e70e2ad6e73f52ef2c506b4db2f4cb3477fdbf0636eb985d47b90

SHA512
2301de2e540c465a7b2d023f2f0d622bfe9ba8c04596e80b3cd4e6628fbb51e476743f36054b108554c6be659162808d5bf9a95b404bb4d9b9bef2852be941be

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

Filesize
90KB

MD5
1ff6e84478b84cdcaab01e870f98648c

SHA1
c3c0553341b36b2fe42e2e6230bf3f78159d1fb0

SHA256
ca500a15ae3e70e2ad6e73f52ef2c506b4db2f4cb3477fdbf0636eb985d47b90

SHA512
2301de2e540c465a7b2d023f2f0d622bfe9ba8c04596e80b3cd4e6628fbb51e476743f36054b108554c6be659162808d5bf9a95b404bb4d9b9bef2852be941be

Download Submit
memory/2224-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2224-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2224-56-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2224-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2224-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2272-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2272-78-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download