ammyyadmin | 3bf0fadde2ebaf3830bb62dd95434adb1550813b81360a42145e95520e6fafdd

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2024 05:10

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General

Target

0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe
Size

977KB
MD5

0a4e2f1f55fbe4544d342870d97e8a0d
SHA1

9476a9ecf64827fb91c14a816ccb76a3edd73f0a
SHA256

3bf0fadde2ebaf3830bb62dd95434adb1550813b81360a42145e95520e6fafdd
SHA512

03a9072bf786367e0fc3edf86bbeba38333f1c3e5be4db9943e438972aa0f271189fbbd71bb4016c3d6fd400ffd72ff26636ac77c6e5be00418c64a2894aa770
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxt:7J5gEKNikf3hBfUiWxt

Score

10^/10

ammyyadmin discovery rat upx

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002345f-7.dat	family_ammyyadmin

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	budha.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2448-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x000800000002345f-7.dat	upx
behavioral2/memory/2416-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/2448-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/2416-15-0x0000000000400000-0x0000000000410000-memory.dmp	upx

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	0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	budha.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2416	2448	0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe	84
PID 2448 wrote to memory of 2416	2448	0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe	84
PID 2448 wrote to memory of 2416	2448	0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a4e2f1f55fbe4544d342870d97e8a0d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
977KB

MD5
6170c4e22da05bdc77bceafcb895449c

SHA1
d77add9a12327dd02e433b7d9e1c6ac8552d0211

SHA256
90c924148b170189508b9360f9bdfe20acb863900d354780bf558ad704ab664e

SHA512
ebda67ed9bd4b30952456506d522791452542483219e4fe9e149a33c8eec4252b3ac4abc730b47826077a2b9f6861376bd1f9da3136c7a3c79e66ec4432dfb95

Download Submit
memory/2416-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2416-14-0x0000000002570000-0x0000000002970000-memory.dmp

Filesize
4.0MB

Download
memory/2416-13-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/2416-15-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2448-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2448-1-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2448-3-0x0000000002730000-0x0000000002B30000-memory.dmp

Filesize
4.0MB

Download
memory/2448-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download