1e49819d007f2488deb5a660dc8f6a2e1e76bf3965b6522e2ecebf961ddf7cf0

General

Target

1f6e720b9c0b1fc4ac17b08dcd7da970N.exe
Size

54KB
MD5

1f6e720b9c0b1fc4ac17b08dcd7da970
SHA1

08f9d138265301fef3ed3c30a10bbd60d09719df
SHA256

1e49819d007f2488deb5a660dc8f6a2e1e76bf3965b6522e2ecebf961ddf7cf0
SHA512

c15816f036f18887260c7a8b3fa2af0cf9b55d2e113cdb3b0afb22104e59281299fb8ed540f31cc8158efb9c94a1453249ef79c6ca35548e6341960f06278f5d
SSDEEP

1536:4dx1wT5ZpI4YG6kxmxZUUYzkQxQ8IXhEPz:4dbKbYRkxyHmSmPz

Score

10^/10

discovery upx

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
onthelinux
Password:
741852abc

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2660	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe
1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1892-0-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/files/0x002b000000015c7b-5.dat	upx
behavioral1/memory/2660-15-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1892-12-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1892-11-0x0000000002930000-0x000000000298B000-memory.dmp	upx
behavioral1/memory/1892-16-0x0000000002930000-0x000000000298B000-memory.dmp	upx
behavioral1/memory/2660-17-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/2660-23-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/2660-24-0x0000000000400000-0x000000000045B000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\c2ff9deb\jusched.exe	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe
File created	C:\Program Files (x86)\c2ff9deb\c2ff9deb	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jusched.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2660	1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe	30
PID 1892 wrote to memory of 2660	1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe	30
PID 1892 wrote to memory of 2660	1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe	30
PID 1892 wrote to memory of 2660	1892	1f6e720b9c0b1fc4ac17b08dcd7da970N.exe	30

C:\Users\Admin\AppData\Local\Temp\1f6e720b9c0b1fc4ac17b08dcd7da970N.exe
"C:\Users\Admin\AppData\Local\Temp\1f6e720b9c0b1fc4ac17b08dcd7da970N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Program Files (x86)\c2ff9deb\jusched.exe
  "C:\Program Files (x86)\c2ff9deb\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\c2ff9deb\c2ff9deb

Filesize
17B

MD5
4d77d6b250ffb567743b8dbcdad695b8

SHA1
d5a8f98f9433f6d36c74df463cef3e2cf524462d

SHA256
7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2

SHA512
5655153049101fd67125d484c81f1ad30b44f36f00e3aabfe8d730a21661f4b394357b60da549289def4311b4cc7bd508d8fd6b8db254cd442b2152f8902bd71

Download Submit
\Program Files (x86)\c2ff9deb\jusched.exe

Filesize
54KB

MD5
04382eadceadccae77c7bdd663d7be87

SHA1
f97f556db24c495a5bf5095ab3ff4cb6381e9094

SHA256
4d34996983f6cda7c7198dcb64cd1f278ba6f6748362cd60caf8cf4c8be6cc68

SHA512
6cc21a233be11a4a6a53fc43314ee18d0bb5700a910e5699861027908a5ade2552ad640cdbeb2dca2b6b23b25261ec2994e9f6fff6151f622f54184df27883da

Download Submit
memory/1892-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1892-13-0x0000000002930000-0x000000000298B000-memory.dmp

Filesize
364KB

Download
memory/1892-12-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1892-11-0x0000000002930000-0x000000000298B000-memory.dmp

Filesize
364KB

Download
memory/1892-16-0x0000000002930000-0x000000000298B000-memory.dmp

Filesize
364KB

Download
memory/2660-15-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-17-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-24-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

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