ammyyadmin | eba45eb26d6f96ed237787613036445354329821836c9835795f3f945fd8d23a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 03:47

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General

Target

e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe
Size

1012KB
MD5

e8445e2e110eb6bcf0808966fdae087b
SHA1

b7b860e949f55f2ee4594076a7a6559ac6abb869
SHA256

eba45eb26d6f96ed237787613036445354329821836c9835795f3f945fd8d23a
SHA512

9076a6456c9ff1c9f6a417d1dcee6a8521c05a47460d1db5979e17e3256664589ddbbcfdcb1c327115d2d5ae35f4f75f59db63253bf8de2ecc4d2d4cca3f27b2
SSDEEP

24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxK:7J5gEKNikf3hBfUiWxK

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
behavioral1/files/0x000f000000013a51-5.dat	family_ammyyadmin

Executes dropped EXE 1 IoCs

pid	Process
3052	budha.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000f000000013a51-5.dat	upx
behavioral1/memory/2100-9-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/3052-10-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/3052-14-0x0000000000400000-0x0000000000410000-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	budha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3052	2100	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	31
PID 2100 wrote to memory of 3052	2100	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	31
PID 2100 wrote to memory of 3052	2100	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	31
PID 2100 wrote to memory of 3052	2100	e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8445e2e110eb6bcf0808966fdae087b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- 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:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF411.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF424.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\budha.exe

Filesize
1012KB

MD5
2eb39b7db8478752e6a38aeb5a6221f2

SHA1
e3296435cb1eca98080aa5270c7e7cad9c6c0da5

SHA256
a97e3c75c9571f91c75158fd6a3dd6c76b7687f96364d3cca2c2a455b5541185

SHA512
a3cb1b8e2f2892c62345cd2491c2865637f58952e1bb290676cf8df323aa08310939b15783926414d554289ec47173ab09c35a00f69d94e31ca4ea95f6915c62

Download Submit
memory/2100-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2100-1-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2100-4-0x0000000002B40000-0x0000000002F40000-memory.dmp

Filesize
4.0MB

Download
memory/2100-9-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3052-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3052-11-0x0000000001D30000-0x0000000001D31000-memory.dmp

Filesize
4KB

Download
memory/3052-13-0x0000000002C10000-0x0000000003010000-memory.dmp

Filesize
4.0MB

Download
memory/3052-14-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download