1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 21:06

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General

Target

1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe
Size

65KB
MD5

3b9ccf0736de90612f12b8798f68522b
SHA1

c4f37e78d9f091337b60b3516c02460d6c0ee7bf
SHA256

1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b
SHA512

321c709e9cae625c7d576a8f64dd53c1593601c2c47444c093cf10ee91472f4ea7c34632682a95bc36c23a2985d5ad53a2260384e51bd0135dc44db6b1e86496
SSDEEP

768:yMiLNeNwIDIPptuG/UGNRUxQPog41rsxharN8MdC2W1kiHDI:4LNcwYIPPnGxngKsxNMdC2wDI

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe

Executes dropped EXE 1 IoCs

pid	Process
4464	ofnhost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1036-0-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/1036-5-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-11-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-12-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-14-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-15-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-16-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-17-0x0000000010000000-0x000000001000E000-memory.dmp	upx
behavioral2/memory/4464-19-0x0000000010000000-0x000000001000E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\ofnhost.exe	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe
File created	C:\Windows\Debug\ofnhost.exe	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1036	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 3048	1036	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe	93
PID 1036 wrote to memory of 3048	1036	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe	93
PID 1036 wrote to memory of 3048	1036	1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe	93

C:\Users\Admin\AppData\Local\Temp\1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe
"C:\Users\Admin\AppData\Local\Temp\1996c19e55facce7b4d8e52a637cce2f6eba8e118a0950fb756fee233a0cbc9b.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1996C1~1.EXE > nul
  2⤵
  PID:3048

C:\Windows\Debug\ofnhost.exe
C:\Windows\Debug\ofnhost.exe
1⤵
- Executes dropped EXE
PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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:\Windows\Debug\ofnhost.exe

Filesize
65KB

MD5
4cb629f7a8f98b57e6473c47e9bc95ef

SHA1
cbf92aa61d69df3455b70b5a7884266e09526fb3

SHA256
67c2d37f03314208a1c8479311f3c5dac850a02cfcaab8a36b2beac02b27c41f

SHA512
194b2f2c5b3fe6beb3c439a32d25ffe5f5ef386756559c54fbace84fd3517cd4b02aaadd9fab8246fcf24912beda62cafd0e63f3c11a9ed94301b23aaa96ec20

Download Submit
memory/1036-0-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/1036-5-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-11-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-12-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-14-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-15-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-16-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-17-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4464-19-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download