caff90d68584f9ef6374b119987d7cc396d45ba675601c5ed239d6eb108a2132

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
13/07/2023, 17:27

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General

Target

00e8a480ba872cexe_JC.exe
Size

139KB
MD5

00e8a480ba872caa4bbc46bee1502a17
SHA1

a1159c347931bccd9e77790002544b281a0c4e26
SHA256

caff90d68584f9ef6374b119987d7cc396d45ba675601c5ed239d6eb108a2132
SHA512

e5a37cf2466737fd98ec2c05a9b56d9055d6db5f70c652f102817e99945dfb6578ea9409402f960f3ebdb70cff43932bd939242d808c0a9c6326959e5992c761
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699G1mE:z6a+CdOOtEvwDpjczu

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2844	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	00e8a480ba872cexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2164-54-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2164-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000f00000001201d-65.dat	upx
behavioral1/memory/2844-70-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000f00000001201d-69.dat	upx
behavioral1/files/0x000f00000001201d-79.dat	upx
behavioral1/memory/2844-80-0x0000000000500000-0x0000000000510000-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 2164 wrote to memory of 2844	2164	00e8a480ba872cexe_JC.exe	28
PID 2164 wrote to memory of 2844	2164	00e8a480ba872cexe_JC.exe	28
PID 2164 wrote to memory of 2844	2164	00e8a480ba872cexe_JC.exe	28
PID 2164 wrote to memory of 2844	2164	00e8a480ba872cexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\00e8a480ba872cexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\00e8a480ba872cexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2844

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\asih.exe

Filesize
139KB

MD5
a8818f3efefbf755e44b279048ead8c9

SHA1
b9e9269474bda4c36ea870662c101651682ea3ef

SHA256
1ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b

SHA512
9eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf

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

Filesize
139KB

MD5
a8818f3efefbf755e44b279048ead8c9

SHA1
b9e9269474bda4c36ea870662c101651682ea3ef

SHA256
1ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b

SHA512
9eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf

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

Filesize
139KB

MD5
a8818f3efefbf755e44b279048ead8c9

SHA1
b9e9269474bda4c36ea870662c101651682ea3ef

SHA256
1ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b

SHA512
9eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf

Download Submit
memory/2164-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2164-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2164-56-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2164-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2164-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2844-73-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2844-72-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2844-80-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download