f5ec1086640ac5357c952ed8ed952cc655d337e43e79db0ea5e650a67466e603

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2023, 16:22

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General

Target

74fd1f4a02167d_JC.exe
Size

77KB
MD5

74fd1f4a02167d09c6abb32444ac516d
SHA1

6e606b25a3007fcea2aadfe624723bee980c96fc
SHA256

f5ec1086640ac5357c952ed8ed952cc655d337e43e79db0ea5e650a67466e603
SHA512

88d14297a61e554301a33be0be021b33560f23725223a18cfb843ba2323556a179d7d8b4ad744238047261e981bfc5955fc604abdabf461188cc8cd228d86d6a
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOTdSWCPw:T6a+rdOOtEvwDpjNX

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation	74fd1f4a02167d_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1156	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2432-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0003000000015cff-146.dat	upx
behavioral2/files/0x0003000000015cff-148.dat	upx
behavioral2/files/0x0003000000015cff-149.dat	upx
behavioral2/memory/2432-150-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1156-159-0x0000000000500000-0x0000000000510000-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 3 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1156	2432	74fd1f4a02167d_JC.exe	86
PID 2432 wrote to memory of 1156	2432	74fd1f4a02167d_JC.exe	86
PID 2432 wrote to memory of 1156	2432	74fd1f4a02167d_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\74fd1f4a02167d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\74fd1f4a02167d_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1156

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
77KB

MD5
222e4dea8a8cabd939f11020a807e9cc

SHA1
cb261cb1290674c6fc7fbc2931e6f3cba3784421

SHA256
29add464627cc419a443368ae1cfe1f31d193dd9b3f674a2ddea8e097e22eb09

SHA512
c06b40e4046425c27e076d9dbc80c5e6fda0814205c02c455dc4ef99b4cf9cd7e89e6b18975a95b3414950ffd86908262bba129d730bd836d99b391df377c597

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

Filesize
77KB

MD5
222e4dea8a8cabd939f11020a807e9cc

SHA1
cb261cb1290674c6fc7fbc2931e6f3cba3784421

SHA256
29add464627cc419a443368ae1cfe1f31d193dd9b3f674a2ddea8e097e22eb09

SHA512
c06b40e4046425c27e076d9dbc80c5e6fda0814205c02c455dc4ef99b4cf9cd7e89e6b18975a95b3414950ffd86908262bba129d730bd836d99b391df377c597

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

Filesize
77KB

MD5
222e4dea8a8cabd939f11020a807e9cc

SHA1
cb261cb1290674c6fc7fbc2931e6f3cba3784421

SHA256
29add464627cc419a443368ae1cfe1f31d193dd9b3f674a2ddea8e097e22eb09

SHA512
c06b40e4046425c27e076d9dbc80c5e6fda0814205c02c455dc4ef99b4cf9cd7e89e6b18975a95b3414950ffd86908262bba129d730bd836d99b391df377c597

Download Submit
memory/1156-152-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1156-153-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1156-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2432-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2432-134-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2432-135-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2432-136-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2432-150-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download