3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3

General

Target

3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe
Size

852KB
MD5

176b5acb7e99a0f6b96e67008211a6ba
SHA1

3cc11249673f7d66ce36da881a461c12a435e421
SHA256

3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3
SHA512

168744ff4454a49666092694bd2949d3bc5d50703d855077651fff3ba7be91e398d053a4fe797cdc74bfdfb52c8fa1e765bd4989ef46b47949610c5eb05ddf5a

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

FB_B3C4.tmp.exeFB_BF7D.tmp.comconfig.exe

pid process

3936 FB_B3C4.tmp.exe
4320 FB_BF7D.tmp.com
4100 config.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2312 netsh.exe

pid	process
3936	FB_B3C4.tmp.exe
4320	FB_BF7D.tmp.com
4100	config.exe

pid	process
2312	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exeFB_BF7D.tmp.com

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	FB_BF7D.tmp.com

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

config.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9165950e91e4e361fa21d31cf1cfc39b = "\"C:\\Users\\Admin\\AppData\\Roaming\\config.exe\" .."	config.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9165950e91e4e361fa21d31cf1cfc39b = "\"C:\\Users\\Admin\\AppData\\Roaming\\config.exe\" .."	config.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

config.exe

pid	process
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe
4100	config.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

config.exe

description pid process

Token: SeDebugPrivilege 4100 config.exe

description	pid	process
Token: SeDebugPrivilege	4100	config.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exeFB_BF7D.tmp.comconfig.exe

description	pid	process	target process
PID 3132 wrote to memory of 3936	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_B3C4.tmp.exe
PID 3132 wrote to memory of 3936	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_B3C4.tmp.exe
PID 3132 wrote to memory of 3936	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_B3C4.tmp.exe
PID 3132 wrote to memory of 4320	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_BF7D.tmp.com
PID 3132 wrote to memory of 4320	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_BF7D.tmp.com
PID 3132 wrote to memory of 4320	3132	3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe	FB_BF7D.tmp.com
PID 4320 wrote to memory of 4100	4320	FB_BF7D.tmp.com	config.exe
PID 4320 wrote to memory of 4100	4320	FB_BF7D.tmp.com	config.exe
PID 4320 wrote to memory of 4100	4320	FB_BF7D.tmp.com	config.exe
PID 4100 wrote to memory of 2312	4100	config.exe	netsh.exe
PID 4100 wrote to memory of 2312	4100	config.exe	netsh.exe
PID 4100 wrote to memory of 2312	4100	config.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe
"C:\Users\Admin\AppData\Local\Temp\3bdc59efa34736457c7bb023c755470ef3bd29b81f733e59b2594f6373f876c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3132

C:\Users\Admin\AppData\Local\Temp\FB_B3C4.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\FB_B3C4.tmp.exe"
2⤵
- Executes dropped EXE
PID:3936

C:\Users\Admin\AppData\Local\Temp\FB_BF7D.tmp.com
"C:\Users\Admin\AppData\Local\Temp\FB_BF7D.tmp.com"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4320

C:\Users\Admin\AppData\Roaming\config.exe
"C:\Users\Admin\AppData\Roaming\config.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\config.exe" "config.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:2312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FB_B3C4.tmp.exe
Filesize
383KB

MD5
561674e508d910f7f3ad690e63c5a4ff

SHA1
7f74325e9927d35ae3115f25254d1027c5d6ada3

SHA256
d5b0f4f52fff7353781c712b8991d9bea2ceb9cb4b669d9fed4b578e6219eefa

SHA512
9d193c401e04c13f278420a15efc1339f22a6bdac13c6d1bb780b2f70a15308086d4d2a400b5f7d9aee4d77203572ac8103bd51d10e5031b3e456931ef40d45c

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_B3C4.tmp.exe
Filesize
383KB

MD5
561674e508d910f7f3ad690e63c5a4ff

SHA1
7f74325e9927d35ae3115f25254d1027c5d6ada3

SHA256
d5b0f4f52fff7353781c712b8991d9bea2ceb9cb4b669d9fed4b578e6219eefa

SHA512
9d193c401e04c13f278420a15efc1339f22a6bdac13c6d1bb780b2f70a15308086d4d2a400b5f7d9aee4d77203572ac8103bd51d10e5031b3e456931ef40d45c

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_BF7D.tmp.com
Filesize
265KB

MD5
bbb0eaa3d707e757e7e92de8968f9fa5

SHA1
bade9eb744210496c4f53ddc44264d21f3c32732

SHA256
098f80e542a1e3c972a14a416077f8013730f2119d793b5009e9cc1a663a54a2

SHA512
9ef6b4f79af70c4c5239ade6309e35ccc66fcf52791ea73d84754e8236ac4ab75b68a1ad33519969a5b7884191b9f7a238f1e723dbbebbc2927922eedfb37d71

Download Submit
C:\Users\Admin\AppData\Local\Temp\FB_BF7D.tmp.com
Filesize
265KB

MD5
bbb0eaa3d707e757e7e92de8968f9fa5

SHA1
bade9eb744210496c4f53ddc44264d21f3c32732

SHA256
098f80e542a1e3c972a14a416077f8013730f2119d793b5009e9cc1a663a54a2

SHA512
9ef6b4f79af70c4c5239ade6309e35ccc66fcf52791ea73d84754e8236ac4ab75b68a1ad33519969a5b7884191b9f7a238f1e723dbbebbc2927922eedfb37d71

Download Submit
C:\Users\Admin\AppData\Roaming\config.exe
Filesize
265KB

MD5
bbb0eaa3d707e757e7e92de8968f9fa5

SHA1
bade9eb744210496c4f53ddc44264d21f3c32732

SHA256
098f80e542a1e3c972a14a416077f8013730f2119d793b5009e9cc1a663a54a2

SHA512
9ef6b4f79af70c4c5239ade6309e35ccc66fcf52791ea73d84754e8236ac4ab75b68a1ad33519969a5b7884191b9f7a238f1e723dbbebbc2927922eedfb37d71

Download Submit
C:\Users\Admin\AppData\Roaming\config.exe
Filesize
265KB

MD5
bbb0eaa3d707e757e7e92de8968f9fa5

SHA1
bade9eb744210496c4f53ddc44264d21f3c32732

SHA256
098f80e542a1e3c972a14a416077f8013730f2119d793b5009e9cc1a663a54a2

SHA512
9ef6b4f79af70c4c5239ade6309e35ccc66fcf52791ea73d84754e8236ac4ab75b68a1ad33519969a5b7884191b9f7a238f1e723dbbebbc2927922eedfb37d71

Download Submit
memory/2312-146-0x0000000000000000-mapping.dmp

Download
memory/3936-138-0x0000000004AD0000-0x0000000004B6C000-memory.dmp

Filesize
624KB

Download
memory/3936-130-0x0000000000000000-mapping.dmp

Download
memory/3936-139-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/3936-140-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/3936-141-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Filesize
40KB

Download
memory/3936-142-0x0000000004D60000-0x0000000004DB6000-memory.dmp

Filesize
344KB

Download
memory/3936-137-0x0000000000080000-0x00000000000E8000-memory.dmp

Filesize
416KB

Download
memory/4100-143-0x0000000000000000-mapping.dmp

Download
memory/4320-136-0x0000000000020000-0x000000000006A000-memory.dmp

Filesize
296KB

Download
memory/4320-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads