f77617921c5fb6f8114eca9fe330b8d2bfc3a99c4f581f3f9a8282a31d528aeb

General

Target

f77617921c5fb6f8114eca9fe330b8d2bfc3a99c4f581f3f9a8282a31d528aeb.jar
Size

628KB
MD5

bc34f4e23dca52ed6425b46a3dcf5e95
SHA1

e82affa4fea489146e3deb803efdb561a394073f
SHA256

f77617921c5fb6f8114eca9fe330b8d2bfc3a99c4f581f3f9a8282a31d528aeb
SHA512

2f3a171e9ada6f10b4ed182f5fdb4ec7086f99def55db52f2663980eff2009048b6a240f30c7c9e3ba518b4075c79bc77faa5e613e590f823abc1e613385123a
SSDEEP

12288:Cz396wbsskjH0PljDlBPfPSlU5XhBFDYU1SkzuiSn/BIu9:s39bssOUP1l9fPScXhfg3z

Score

7^/10

discovery

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

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	wscript.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3828 icacls.exe

pid	process
3828	icacls.exe

Drops file in Program Files directory 24 IoCs

Processes:

javaw.exejava.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

java.exewscript.exejavaw.exe

description	pid	process	target process
PID 4536 wrote to memory of 3828	4536	java.exe	icacls.exe
PID 4536 wrote to memory of 3828	4536	java.exe	icacls.exe
PID 4536 wrote to memory of 3956	4536	java.exe	wscript.exe
PID 4536 wrote to memory of 3956	4536	java.exe	wscript.exe
PID 3956 wrote to memory of 612	3956	wscript.exe	javaw.exe
PID 3956 wrote to memory of 612	3956	wscript.exe	javaw.exe
PID 612 wrote to memory of 2372	612	javaw.exe	java.exe
PID 612 wrote to memory of 2372	612	javaw.exe	java.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\f77617921c5fb6f8114eca9fe330b8d2bfc3a99c4f581f3f9a8282a31d528aeb.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4536

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
2⤵
- Modifies file permissions
PID:3828

C:\Windows\SYSTEM32\wscript.exe
wscript C:\Users\Admin\zbrspjjraf.js
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3956

C:\Program Files\Java\jre-1.8\bin\javaw.exe
"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\whxvc.txt"
3⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:612

C:\Program Files\Java\jre-1.8\bin\java.exe
"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.301597956521741041723863726205309536.class
4⤵
- Drops file in Program Files directory
PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
3780823baacf39173fdfe3b49aa0556b

SHA1
7546747ba282273f92cdbb79506e435aa9df30c3

SHA256
a466428228802e4ce3a18b87c8f2fddbd8b23959a5162fc8318da85b84f3ddb9

SHA512
b2d9be915a04cb8cddb2101fa96455a83aad07ab78ec15bf8ed878dbc7b040f2a7fa3118932ad31982a152abe2484b3730d5b67e526258d91d5c82cf66199662

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
0e68d818b21c391c1f6fb040f046c999

SHA1
e05cea059707b692bc82c00f3370822d9b2f72c4

SHA256
ea852b0cffea4a7124c3a8450035cc9a8733cae330247dbcb400d4e367136d97

SHA512
8fa64b0c88c2dc0d1c6f6ba272ac387d156e46f37640448375015b30414172cad353c82c47b74fc4965a3790643733e47161a90784c79449de980ece65f99e5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_0.301597956521741041723863726205309536.class
Filesize
241KB

MD5
781fb531354d6f291f1ccab48da6d39f

SHA1
9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

SHA256
97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

SHA512
3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

Download Submit
C:\Users\Admin\AppData\Roaming\whxvc.txt
Filesize
479KB

MD5
d7d1131452a0427e78a2710d280537b5

SHA1
279b601cb79c5d1790910c839125a45b2f43101d

SHA256
4c81c42509988b29c4d77288ed55849de919676fbca4a938bf773f893f2e547e

SHA512
483d03f5dcf0011679463a68f233cb50796c056d1045cc6eeaccae41ffbe51e562a186f6cd6196b0c3b63631553a7d780d6d77648117903e4d58238b2ef8d198

Download Submit
C:\Users\Admin\zbrspjjraf.js
Filesize
945KB

MD5
1d266565196b28ef3e62398a3fdb63cd

SHA1
d8e7f9d683f3db330c9225ab708d0a4095f2eea1

SHA256
5fc03a19d37c227c9cfe59a5e962956fb46ae2a7969e0cf0ea1f806e201295a0

SHA512
51f1a887ba9d6886b10263d06811899313dfcb1469ef64f70658875e4a7da721cf4aee626c3539762d42183a9a1c17d77cb0b80bc7165de73481b9e8d261d3a2

Download Submit
memory/612-24-0x000001B9D1AA0000-0x000001B9D2AA0000-memory.dmp

Filesize
16.0MB

Download
memory/612-39-0x000001B9D0210000-0x000001B9D0211000-memory.dmp

Filesize
4KB

Download
memory/612-54-0x000001B9D1AA0000-0x000001B9D2AA0000-memory.dmp

Filesize
16.0MB

Download
memory/612-55-0x000001B9D1D20000-0x000001B9D1D30000-memory.dmp

Filesize
64KB

Download
memory/612-58-0x000001B9D1AA0000-0x000001B9D2AA0000-memory.dmp

Filesize
16.0MB

Download
memory/2372-40-0x000001730DFE0000-0x000001730EFE0000-memory.dmp

Filesize
16.0MB

Download
memory/4536-4-0x000001CE00000000-0x000001CE01000000-memory.dmp

Filesize
16.0MB

Download
memory/4536-13-0x000001CE75850000-0x000001CE75851000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads