c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6

General

Target

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
Size

152KB
MD5

42fbccf64541cffa18ba28cd878d3250
SHA1

ae00dd2eef075e74327a1136a35becfeb72d2675
SHA256

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6
SHA512

5778b96b428fc163458d24130d6ede6fbce2263419596b4dcbad1d5d76a7d40078354784be3939aca28e0c58a76a490629c4dec943dc63c4e1f65dad1e87966d
SSDEEP

3072:T3jIpK9xKA9w2p4QZisLaazNiIIkyyqN4oQZiEHPgcF:T3cpKxY+1isuazgfklcWVP3

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exejiaab.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	jiaab.exe

Executes dropped EXE 1 IoCs

Processes:

jiaab.exe

pid process

724 jiaab.exe

pid	process
724	jiaab.exe

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:

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe

Adds Run key to start application 2 TTPs 55 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

jiaab.exec1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /k"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /K"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /l"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /x"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /R"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /z"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /j"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /Z"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /T"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /W"	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /r"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /A"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /I"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /O"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /L"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /E"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /J"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /u"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /F"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /s"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /S"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /W"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /b"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /p"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /B"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /i"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /g"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /d"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /q"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /V"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /D"	jiaab.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /Q"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /o"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /G"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /H"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /h"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /C"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /c"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /t"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /U"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /N"	jiaab.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /X"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /n"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /a"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /y"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /e"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /M"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /P"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /w"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /m"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /f"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /Y"	jiaab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jiaab = "C:\\Users\\Admin\\jiaab.exe /v"	jiaab.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 64 IoCs

Processes:

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exejiaab.exe

pid	process
4400	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
4400	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe
724	jiaab.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exejiaab.exe

pid process

4400 c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
724 jiaab.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe

description	pid	process	target process
PID 4400 wrote to memory of 724	4400	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe	jiaab.exe
PID 4400 wrote to memory of 724	4400	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe	jiaab.exe
PID 4400 wrote to memory of 724	4400	c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe	jiaab.exe

C:\Users\Admin\AppData\Local\Temp\c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe
"C:\Users\Admin\AppData\Local\Temp\c1aaf2dd35ca3f2374c391703d0f5c33a30462d5f0b65d39d7ede42dfa9419f6.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400

C:\Users\Admin\jiaab.exe
"C:\Users\Admin\jiaab.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\jiaab.exe
Filesize
152KB

MD5
1e1e844f56175a2d38b83542d87b161b

SHA1
01e82d16ce5f61ae6f0257434ddeb5443605bfdc

SHA256
b82151768bec6bd8ec70805400233ca18ea8e2f3e999c3a0f5826e6b42f08cbd

SHA512
9077919f7789c3954b987441a288ef822744cf9932a33e505e6981ce2393a938b85cf21bdcaf6316884354b891a3f9b7c3b04cb3a9774a1dc2eab44bd619dd6c

Download Submit
C:\Users\Admin\jiaab.exe
Filesize
152KB

MD5
1e1e844f56175a2d38b83542d87b161b

SHA1
01e82d16ce5f61ae6f0257434ddeb5443605bfdc

SHA256
b82151768bec6bd8ec70805400233ca18ea8e2f3e999c3a0f5826e6b42f08cbd

SHA512
9077919f7789c3954b987441a288ef822744cf9932a33e505e6981ce2393a938b85cf21bdcaf6316884354b891a3f9b7c3b04cb3a9774a1dc2eab44bd619dd6c

Download Submit
memory/724-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads