citadel | a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260126-en
resource tags

arch:x64arch:x86image:win11-20260126-enlocale:en-usos:windows11-21h2-x64system
submitted
29/01/2026, 17:10

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General

Target
a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe
Size 372KB
Sample260129-vptyfsaw4b
SHA256 a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba
MD5 336461e1cef8781ba9f496ecea044571
SHA1 a81d6726181a447d81bbd0f7d191863e7b0eb49a
SHA512 0d9137ca1370020074ddb44461b089958c75bfe5fa3a58de44d7e5c6f2f45f1abe313a729149cea19f2f3e2cb1fc215a584d8e89bd88d9b1c8d4f8f057465d27
SSDEEP 6144:5bh2cOCzMq0sa/afRC5geIus6zMNtq73vqebzLKq9YV0fedF:5lwzIfRgvIu5zz7quYV8k
TLSH
T13E84BE1FB148A8B9ECC0B6F91D64D2B175AA2C3109104237F7C2773E3BF62879969257
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

botnet discovery citadel trojan

Malware Config

Signatures

Citadel
Citadel is a trojan and botnet written in C.
trojan botnet citadel
Citadel family
citadel

Detects Citadel payload 4 IoCs

resource	yara_rule
behavioral2/memory/4640-2-0x0000000000400000-0x0000000000439000-memory.dmp	family_citadel
behavioral2/memory/4640-4-0x0000000000400000-0x0000000000439000-memory.dmp	family_citadel
behavioral2/memory/4640-5-0x0000000000400000-0x0000000000439000-memory.dmp	family_citadel
behavioral2/memory/4640-6-0x0000000000400000-0x0000000000439000-memory.dmp	family_citadel

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78

System Location Discovery: System Language Discovery 1 TTPs 1 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	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78
PID 4904 wrote to memory of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78
PID 4904 wrote to memory of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78
PID 4904 wrote to memory of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78
PID 4904 wrote to memory of 4640	4904	a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe	78

C:\Users\Admin\AppData\Local\Temp\a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe
"C:\Users\Admin\AppData\Local\Temp\a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Users\Admin\AppData\Local\Temp\a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe
  "C:\Users\Admin\AppData\Local\Temp\a117e648b54879e001cab5a57c02ea74490f5f4a7893d6fde3d44365b8fe8cba.exe"
  2⤵
  PID:4640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4640-2-0x0000000000400000-0x0000000000439000-memory.dmp

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memory/4640-4-0x0000000000400000-0x0000000000439000-memory.dmp

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memory/4640-5-0x0000000000400000-0x0000000000439000-memory.dmp

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memory/4640-6-0x0000000000400000-0x0000000000439000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads